Private Antitrust Litigation Framework

Private litigation has been a cornerstone of antitrust enforcement in Chile, complementing the work of the Chilean Competition Agency (Fiscalía Nacional Económica, FNE).

Chilean law allows private litigation without limitations, granting individuals and legal entities the power to file antitrust claims with the Chilean Competition Court (Tribunal de Defensa de la Libre Competencia, TDLC) for any anti-competitive conduct that may affect them, including, but not limited to, collusion, abuse of dominant position, predatory practices, unfair competition and interlocking (provided that such claims meet the necessary legal requirements for them to be considered admissible, as detailed in 2.1 Statutory Basis). Accordingly, private individuals or entities are granted the opportunity to seek remedies, request the imposition of fines and pursue compensation for damages, thereby enhancing the overall effectiveness of antitrust enforcement in Chile.

Regarding the prosecution of cartels, while in theory private individuals have the power to file a complaint directly with the court, in practice this type of conduct is reported to the FNE. This is because the FNE has broad investigative powers, including the possibility of resorting to intrusive measures, which facilitates the collection of evidence and therefore increases the likelihood of success in cartel litigation.

Furthermore, affected individuals and consumer associations representing those harmed by anti-competitive conduct often join the proceedings initiated by the FNE as third-party interveners, aiming to influence the precise delineation of the anti-competitive behaviour, thereby facilitating a more accurate linkage to the damages sought in any subsequent compensation claims.

Additionally, private parties may also seek compensation for damages resulting from anti-competitive conduct. Since 2016, following a reform of the Chilean Competition Act (Decree Law 211, “DL 211”), follow-on actions for damages resulting from anti-competitive conduct must be filed with the TDLC. Article 30 of DL 211 establishes that, after the TDLC issues a final decision finding an individual or legal entity guilty of anti-competitive behaviour, the same court has jurisdiction to evaluate and potentially award damages to the plaintiffs in a subsequent trial. The TDLC must rule on the lawsuit for compensation for damages based on the facts that it has established in the previous antitrust judgment that serves as a precedent to the claim, without being able to alter those facts in any way.

Moreover, Law No 19,496 on Protection of Consumer Rights (the “Consumer Protection Act”) allows parties to request compensation for damages arising from anti-competitive conduct through class actions, based on the impact on the “collective or diffuse interest” of consumers. This action is also processed before the TDLC, but is subject to a different procedure, regulated by the Consumer Protection Act.

Consequently, the ability of private parties to initiate antitrust litigation is a crucial component of the Chilean competition law system. It ensures the protection of the interests of both competitors and consumers and facilitates the potential compensation for damages suffered.

Antitrust Cases in Chile

Copesa and others against Google

Copesa, a Chilean media conglomerate, accused Google of engaging in anti-competitive practices in the markets for news publishing and advertising technology (“Adtech”). Specifically, Copesa claimed that Google’s search engine uses content produced by news outlets without proper licensing, summarising and presenting this content to users in Google’s “Knowledge Panels” and “News” sections. This practice allegedly dissuades users from visiting the original links, thereby depriving news outlets of potential revenue from page visits.

Copesa’s lawsuit was followed by analogous claims filed by other media companies: El Mostrador and Cooperativa. Considering the similarity of the three companies’ claims, the court decided in June 2025 to consolidate the proceedings into a single case.

The trial has been in the evidentiary phase since early September 2025.

Consumer Association v Big Tech

In October 2024, a Chilean consumer association called Accion Consumidores filed a lawsuit for abuse of dominant position against Google LLC and other related companies (Google).

The plaintiff claims that Google engaged in exclusionary practices in the app distribution market by employing technical barriers, issuing misleading security warnings, and imposing contractual restrictions to block alternative distribution channels. Additionally, it accuses Google of entering into revenue-sharing agreements with Android device manufacturers (OEMs), and making payments to both OEMs and app developers. The plaintiff claims that these practices amounted to de facto exclusive dealing arrangements, which required OEMs to prioritise and preinstall Google’s products and services exclusively, while app developers were compelled to distribute most or all of their products through Google Play Store. Finally, the plaintiff claims that Google unlawfully tied Google Play Billing to Play Store access, coercing developers to exclusively use its service and preventing them from offering cheaper payment alternatives to users.

Later, in May 2025, Accion Consumidores filed a second lawsuit, this time against Apple, Inc., accusing the company of engaging in monopolistic and anti-competitive practices in Chile over the past 15 years, specifically:

• imposing exclusive distribution of iOS apps through the App Store, preventing developers from distributing their apps to iOS smartphone and iPad users via other platforms; and
• forcing the use of Apple’s In-App Purchase system and prohibiting developers from redirecting or informing users about external payment options.

Interestingly, in May 2025, the FNE also filed a lawsuit against Google LLC, accusing it of restricting competition in the markets for the distribution of apps and the distribution of in-app paid digital goods, in both cases within the Android operating system. It is also expected to do the same with respect to Apple, Inc., since it is a publicly known that the FNE is conducting an open investigation into the company.

The Highest Fine for an Antitrust Violation: The Case Against CDF

This case is a combination of public and private litigation, as it arises from lawsuits filed both by the FNE and by VTR Comunicaciones SpA (VTR, a pay-tv operator) against Canal del Fútbol (CDF), a sports television channel that currently operates under the name TNT Sports.

Specifically, the FNE and VTR accused CDF of abusing its dominant position by engaging in conduct harmful to pay-TV operators. These practices occurred within the live broadcasting industry for matches of the national professional football championship and other tournaments organised by the National Association of Professional Football (ANFP).

In May 2025, after lengthy litigation, the Supreme Court upheld the TDLC’s ruling, sanctioning CDF for abuse of dominance in the wholesale market for sports broadcasting signals, and maintaining the historic fine of UTA32,000 (over USD28 million) ‒ the highest ever imposed in Chile for a violation of competition law.

The ruling confirms that CDF abused its dominant position in the Chilean professional football broadcasting market by engaging in a series of contractual practices that unjustifiably restricted competition. In particular, the following practices were sanctioned:

• tying of basic and premium signals;
• imposition of a minimum number of subscribers;
• restrictions on promotions offered by cable operators; and
• imposition of minimum resale prices.

These conditions affected the commercial freedom of pay-TV operators and ultimately harmed consumers.

In a significant decision on the statute of limitations, the Supreme Court reaffirmed that the relevant date for determining when the accused conduct occurs is the actual implementation of the conduct, not the date when the contract that gave rise to it was signed. Therefore, in the case of ongoing conduct, where the effects extend over time, the statute of limitations does not begin to run while the conduct continues ‒ in this case, for as long as the application of the contested clauses remains in effect.

This historic precedent confirms that abuses of dominant position can be extremely serious and, therefore, deserving of high and exemplary fines.

Excessive Pricing: CONNECTUS SPA and Others v WOM

On 12 June 2025, the TDLC issued a highly significant ruling in the field of antitrust law, following litigation between private parties. The ruling found the company WOM S.A. (a telecommunications company) guilty of abusing its dominant position by charging excessive prices, fining the company UTA1,312, equivalent to approximately USD1.2 million (the Unidad Tributaria Anual (UTA) is a unit of account used in Chile).

The plaintiffs in this case alleged the following two groups of facts.

• Increase in A2P SMS tariff: WOM increased the tariff 67-fold for messages it classified as international. This was alleged to constitute excessive pricing, refusal to deal, margin squeeze, and unfair competition.
• Delay in enabling short codes: the plaintiff companies accused WOM of refusal to deal, arbitrary discrimination, and unfair competition.

The TDLC confirmed the existence of excessive pricing after verifying that all stages of the relevant analysis were satisfied.

• In the first stage, it was determined that WOM held a dominant position at the time of the events, acting as the sole provider in the A2P SMS termination market within its own network, with insurmountable and permanent entry barriers.
• In the second stage, the court concluded that the prices charged were clearly excessive, based on various parameters and established facts.
• Finally, in the third stage, the TDLC rejected WOM’s justifications for its conduct.

The court dismissed the plaintiffs’ other accusations.

This ruling sets a significant precedent in cases of abuse of dominant position, as it is one of the few instances in Chile where the TDLC has thoroughly addressed the conduct of excessive pricing and its legal requirements.

Both the defendant WOM and the plaintiffs have filed appeals with the Supreme Court, which are currently pending. 

Compensation for Damages: The Controversial Case of Papelera Cerrillos v SCA/CMPC

Papelera Cerrillos (Cerrillos) filed a claim for damages against CMPC Tissue (CMPC) and SCA Chile (SCA) following the previous conviction of the latter companies for collusion. Cerrillos alleged that its financial crisis, which began in 1999 and ended in bankruptcy, was a direct result of the collusive agreement between the defendants that lasted from 2000 to 2011. It claimed that the collusion ‒ preceded by an aggressive price war between CMPC and SCA ‒ created adverse market conditions that led to a drop in sales, the loss of assets, and foregone profits, all of which occurred before the collusion became publicly known through the FNE’s 2015 complaint. The TDLC dismissed the claim, arguing that the defendants’ actions that could have contributed to Cerrillos’ insolvency were related to the price war, and since this had not been sanctioned as anti-competitive conduct, no compensation was due. Regarding the collusive agreement, the court found that there was insufficient evidence that this was the cause of the plaintiff's insolvency, and that Cerrillos may even have benefited from it, considering that Cerrillos experienced a recovery in sales during the collusive period.

The Supreme Court overturned the TDLC’s ruling and upheld the claim. It found that the statute of limitations had not expired and that a causal link did exist between the cartel and part of the damage suffered by Cerrillos, even while acknowledging the presence of other contributing factors. The Court concluded that the collusion created market instability, negatively affecting smaller players like the plaintiff, particularly through the loss of key clients and disruption of normal business operations. As a result, it awarded compensation equivalent to 10% of the total damages.

This Supreme Court ruling has been heavily criticised by law experts, as it establishes very loose criteria for attributing causality between conduct and damages, resorting to a proportional causality model, which would allow for a “prudential” reduction in compensation in the absence of sufficient evidence of the required causal link.

Chilean antitrust legal regulation is codified in DL 211. Article 20 of this Law sets forth the procedure for filing claims concerning acts or behaviours that undermine competition and allows not only the FNE but also any private individual or legal entity to bring a case before the TDLC. The Law provides, however, that if a claim is brought by a private party, it must be immediately notified to the FNE to grant the latter the opportunity to take part in the TDLC proceeding. Because the FNE has a duty to represent the general interest of the community in antitrust matters, it will take part in proceedings in which it considers that said interest may be compromised.

As a requirement, private individuals or legal entities must demonstrate a “legitimate interest” to file a complaint before the TDLC. Chilean case law has established that this “legitimate interest” includes those who are or could reasonably be affected by the alleged anti-competitive conduct. It has also determined that this includes all persons that participate in the markets impacted by the conduct in question ‒ whether as competitors, suppliers or customers ‒ or those who could potentially participate in these markets if it were not for the alleged anti-competitive conduct.

Moreover, to be considered valid, a claim must present a comprehensive and detailed account of the facts, actions or agreements that constitute a violation of DL 211, and must specify the market or markets affected by the alleged anti-competitive behaviour.

Lastly, claims must also comply with the general requirements for all lawsuits established by the Civil Procedure Code, including:

• designation of the court before which the claim is filed;
• the name, address and profession or occupation of the plaintiff and their representatives, the nature of the representation, and an electronic means of notification for the attorney and judicial representative if not previously designated;
• the name, address and profession or occupation of the defendant;
• a clear exposition of the facts and legal grounds supporting the claim; and
• a precise and clear statement of the relief sought from the court.

Thus, a private litigation may be initiated for any type of anti-competitive act or conduct, eg, abuse of dominance, predatory or unfair competitive practices and interlocking.

Follow-on actions entail an additional requirement. Specifically, Article 30 of DL 211 states that such claims must be based on a prior decision by the TDLC or the Supreme Court (in the event of an appeal) that finds one or more parties liable for engaging in anti-competitive conduct.

There are additional requirements in the case of class actions, as outlined in 4.1 Statutory Basis.

Specialised Courts

In Chile, antitrust cases fall under the exclusive jurisdiction of the TDLC. This is a specialised court responsible for hearing and resolving cases that may constitute violations of DL 211. It is a collegial court with jurisdiction over the entire territory of the Republic. The TDLC is composed of five members: three lawyers and two economists who are experts in competition matters. The president and two members are appointed by the President of the Republic, while the remaining two are appointed by the Council of the Central Bank.

The Supreme Court of Chile ‒ specifically, the Third Chamber, usually composed of five magistrates ‒ serves as the superior authority over the TDLC and has the power to resolve appeals filed on antitrust cases, as well as to revoke or modify the TDLC’s decisions.

As noted in 1.1 Current Framework for Private Antitrust Litigation, since 2016, follow-on actions claiming damages must also be filed before the TDLC as a subsequent procedure after a conviction for an anti-competitive infringement.

Binding Nature of National Competition Authorities’ Decisions

The FNE is the national competition authority responsible for defending and promoting competition in Chile. In this capacity, the FNE represents the national public interest, investigating and prosecuting any anti-competitive behaviour, and seeking to sanction the responsible entities. As public prosecutor (enforcement agency) the FNE lacks the authority to adjudicate its own disputes; rather, it must pursue enforcement actions before the TDLC. Hence, the decisions of the FNE are not binding on the courts. Furthermore, any antitrust investigation or litigation concluded by out-of-court settlements agreed by the FNE must receive approval from the TDLC, as mandated by Article 39(ñ) of DL 211. This ensures that such settlements adhere to the principles of free competition.

Regarding decisions issued by the TDLC in antitrust infringement cases, these have full res judicata effect. Once a decision is final (either because there are no further appeals against it or because the appeals have already been resolved by the Supreme Court), the same facts cannot be revisited, under the principle of non bis in idem.

Decisions by the TDLC convicting antitrust infringements serve as the foundation for subsequent damage claims pursued as follow-on procedures. It is crucial to note that such follow-on litigation does not entail a re-examination of the factual basis established in the antitrust decision but rather focuses exclusively on the assessment of damages.

Consequently, the TDLC must base its ruling on the facts established in the judgment that has already convicted the defendant for the antitrust infringement.

Therefore, the TDLC’s antitrust decision is binding both on the parties and on itself, precluding contradictions with established facts and laying the factual basis for damages that may be awarded.

Decisions by foreign national competition authorities have no binding effect in Chile; however, the TDLC does consider comparative case law when making its decisions, especially those of jurisdictions with an advanced development in competition matters, such as the United States and the European Union.

Role of Civil Courts

In Chile, antitrust proceedings cannot be brought before civil courts, because they are of the exclusive jurisdiction of the TDLC. The only exception are actions for acts of unfair competition, which can be brought before the civil courts, unless it is alleged that such acts are intended to achieve, maintain or increase a dominant position, in which case they fall under the TDLC’s jurisdiction. In these proceedings before civil courts for unfair competition claims, the FNE and the TDLC play no role. 

The Burden of Proof Allocation

The fundamental rule is that the burden of proving the alleged infringement rests with the plaintiff, be it the FNE or a private party.

The plaintiff shall demonstrate different elements depending on the type of infringement involved. For instance, in cases involving hard-core cartels, following a 2016 reform, the plaintiff must only prove the existence of the infringement, eg, an agreement to fix prices between competitors, but not its anti-competitive effects (although the effects may be relevant for other aspects, such as the determination of the fine).

In turn, other types of antitrust cases additionally require the plaintiff to demonstrate not only the conduct itself but also the anti-competitive effects arising from it and/or the market power of the alleged infringer.

Conversely, the defendant will aim to provide evidence that counteracts the plaintiff’s allegations, focusing primarily on demonstrating the absence of any alleged wrongdoing, challenging the plaintiff’s standing, claiming that the conduct is justified and/or asserting the expiration of the right to bring a claim.

Lastly, regarding follow-on damage claims before the TDLC, it has been ruled that the plaintiff only needs to prove the damages suffered and their causal connection to the anti-competitive conduct, as all facts related to this conduct are already established in the prior decision that serves as the basis for the damages claim.

Standard of Proof

In accordance with established national case law, the standard of proof in Chilean competition law is “clear and convincing evidence”. This standard represents an intermediate threshold between the standards of “preponderance of the evidence” and “beyond any reasonable doubt”. Doctrine has understood that this standard requires a level of conviction around 60‒65% probability, indicating that the evidence presented must be highly and substantially more likely to be true than untrue.

By contrast, with regard to damage claims, the relevant standard of proof established by case law is that of “reasonable probability” or “preponderance of evidence”, which is based on a rational decision made by a court that a particular hypothesis has a higher probability of occurring than other scenarios.

Legal Presumptions

There are no legal presumptions applicable to antitrust cases. However, some legal scholars propose that the “per se” rule outlined in Article 3(a) of DL 211, which defines conduct deemed to constitute “hard-core cartels” (ie, concerted agreements or practices among competitors, and those which consist of fixing sale or purchase prices, limiting output, assignment of market zones or quotas, affecting the outcome of tender processes), effectively operates as a presumption. This is because it assumes the anti-competitive effects of such conduct without requiring them to be demonstrated in court. The same applies to Article 3(d), which establishes the prohibition of horizontal interlocking directorates, penalising the simultaneous participation of the same person as a board member or key executive in two or more “competing companies,” provided that the annual revenues of the corporate group to which each competing company belongs exceeds UF100,000 (approximately USD4.1 million). According to the first TDLC rulings on this matter, recently issued in April and June 2025, this infringement would be an unlawful act per se, therefore not requiring proof of anti-competitive effects. As these rulings are currently being reviewed by the Supreme Court, it remains to be seen whether the highest court will uphold the TDLC’s decision on this matter.

Regarding damage claims, the “pass-on” defence is not explicitly provided by Chilean law. Still, nothing prevents defendants from raising it when disputing the causal link between the anti-competitive conduct and the alleged damages. This is justified by the fact that, in Chile, unjust enrichment is not protected, so the plaintiff can only claim compensation for the damages actually and directly suffered by them.

As regards the burden of proof, in Chile there is no presumption of damage resulting from cartels or other anti-competitive conduct, so it is always the plaintiff who must prove the existence of the damage and the causal link between the anti-competitive agreement previously sanctioned by the TDLC and such damage (usually price surcharges). On the other hand (and assuming that the plaintiff has provided sufficient evidence of the damage and causal link), if the defendant raises the pass-on defence, in theory, they should provide evidence to substantiate it. This is because the defendant carries the burden of proof regarding any facts that modify or extinguish the plaintiff’s right to compensation. Consequently, to establish a pass-on defence, the accused cartelist should demonstrate that the plaintiff did not pay any price surcharges as a result of the cartel activity because such plaintiff passed on such surcharges to their own customers.

However, there is still no TDLC case law on this defence, for only since the amendment introduced to DL 211 in 2016, the TDLC is competent to hear claims for compensation for damages caused by anticompetitive conduct, so all the above criteria remain to be confirmed.

Limitation Periods

DL 211 establishes a three-year statute of limitations from the date of the anti-competitive conduct on which the actions are based. This limitation period is interrupted by any lawsuit filed by the FNE or a private party with the TDLC, legally served on the defendant. In the case of cartels, the statute of limitations is extended to five years counting from the date on which the effects of the cartel ceased.

For subsequent damage claims (follow-on actions) before the TDLC, there is a four-year statute of limitations, commencing from the date of the final TDLC or Supreme Court decision, as applicable, condemning the accused party for the respective anti-competitive conduct.

The duration of antitrust litigation varies from case to case, but according to the TDLC’s 2025 statistics, the average length of contentious antitrust proceedings was 1,054 days during the period May 2024-April 2025.

In the event of a subsequent claim for damages, the duration can be extended by an additional three-year period or more. Currently, there are only two completed follow-on action cases before the TDLC:

• Papelera Cerrillos v SCA/CMP, which lasted four years and seven months in total, until the Supreme Court’s final ruling; and
• Conadecus and others v Agrosuper and others, which ended with a settlement after two years of litigation.

Additionally, there are cases of partial settlement (eg, Agrecu v Cencosud and others), where the litigation continues between the parties that did not reach an agreement.

Class Actions for Damages

Article 51 of the Consumer Protection Law permits the filing of class or collective actions for damages before the TDLC in accordance with the provisions of Article 30 of DL 211, which requires a prior decision by the TDLC or the Supreme Court (in the event of an appeal) that finds one or more parties liable for engaging in anti-competitive conduct.

According to the same provision of the Consumer Protection Act, class actions may only be initiated by one of the following entities or groups.

• The National Consumer Service (Servicio Nacional del Consumidor, SERNAC): SERNAC is empowered to protect and advocate for consumer rights, including initiating class actions on behalf of affected consumers.
• Consumer associations: these must be legally recognised and have been established for at least six months prior to filing the class action. The association’s board of directors must formally authorise the action. This requirement ensures that only established and credible organisations can represent the class interests of consumers in legal proceedings.
• Groups of consumers: a group of no fewer than 50 individuals, each sharing a common grievance and concern arising from the same anti-competitive conduct. Each member of the group must be duly identified, ensuring accountability and legitimacy in representing the affected consumer base.

The Chilean class action system considers both an opt-out and an opt-in mechanism, depending on the stage of the proceedings.

In accordance with Article 53 of the Consumer Protection Act, once the class action has been filed and declared admissible, and certain publicity formalities have been completed, no other person may initiate another class action lawsuit against the defendant based on the same facts. Nevertheless, consumers who may consider themselves affected are granted a 20-day period to appear in court, to reserve the right to file their own claim, in which case the results of the class action will not affect them. In this sense, class actions in Chile can be considered opt-out actions.

Within the same 20-day period, consumers can alternatively appear in court to become a party to the trial. However, becoming a party only has the effect of allowing the consumer to assert their own claims at trial and of precluding the consumer’s right to take legal action based on their individual interest, but is not required for the consumer to be considered a member of the class. Instead, pursuant to the Consumer Protection Act, an enforceable judgment declaring the liability of the defendant has an erga omnes effect, which means that it benefits all those who belong to the group of consumers harmed by the same facts, even if they have not yet appeared in court. 

Only after the judgment that grants the class action has been issued, an opt-in mechanism operates, in which all those harmed by the events in question can claim the collection of compensation or the fulfilment of the corresponding relieves. For this purpose, the court must order the publication of at least two notices in newspapers and may also use other publicity mechanisms to ensure that the ruling is made known to all those who benefit from it. Consumers are granted a 90-day period counting from the last notice to appear in court and request compensation or reserve the right to request a higher compensation in a new proceeding, in which case it will not be possible for the defendant to dispute the existence of the infringement already declared.

Article 50 of the Consumer Protection Act distinguishes between three types of interests that aim to be guarded by the legal actions contemplated in such legislative body: individual, collective and diffuse.

• Individual interest ‒ complaints or actions brought exclusively in defence of the rights of a single affected consumer.
• Collective interest ‒ class actions brought in defence of rights common to a determined or determinable group of consumers, linked to a supplier by a contractual relationship. To bring forth this action, the contractual relationship between the consumers and the infringer or infringers must be proved.
• Diffuse interest ‒ class actions brought in defence of an undetermined group of consumers whose rights are affected.

There is a significant part of Chilean doctrine that considers that the diffuse interest of consumers is not compensable, precisely because, by definition, the consumers who form part of a diffuse interest are indeterminate and undeterminable. This means that it is legally impossible to establish whether they suffered damage; that is, it is not feasible to determine who would have the right to be compensated. Therefore, other types of consumer protection actions could be based on the safeguard of diffuse interest, but not class actions for damages.

As regards class actions based on the impact of anti-competitive conduct on the collective interest of consumers, the question arises as to whether compensation is appropriate when the infringer does not sell its products or services directly to final consumers. This is because, as mentioned, the definition of “collective interest” requires the existence of a group of consumers related to the supplier by a contractual link. Therefore, if the infringer participates in the supply chain, but does not offer its products or services to the final consumer, then there is no contractual relationship between the former and the latter. This would therefore exclude indirect purchasers as subjects of compensation through a class action. This criterion was recently confirmed by the Supreme Court (2024) in a case brought under the old law, which gave jurisdiction to civil courts to resolve such cases (SERNAC v SCA).

However, some scholars assert that indirect consumers should indeed be compensated for damages arising from violations of competition laws. In this sense, they argue that the principle of full reparation inherently includes the duty to compensate indirect consumers, and that DL 211 provides that compensation for damages shall include “all damages” caused during the period in which the infringement lasted. Therefore, those injured consumers who are indirect purchasers should be able to file not only individual but also class actions.

It remains to be seen how the TDLC will resolve the class actions requesting compensation for indirect purchasers currently being processed, since there has been no ruling from this court on the matter, and whether the Supreme Court will agree with the TDLC decision or not.

Under Chilean law, there is no specific procedure for class certification in class actions. Instead, claims are subject to an admissibility test, where they are evaluated to ensure they meet legal requirements. These requirements include being filed by parties with legal standing ‒ such as SERNAC, consumer associations, or a group of at least 50 consumers ‒ and adhering to the formal requirements applicable to all lawsuits.

At the end of the trial, the court must include in its judgment the identification of the group of affected consumers (all those who are affected in the same way by the damage caused), whether it is divided into subgroups, and the manner and period in which the interested parties must exercise their rights.

The TDLC holds nationwide jurisdiction over antitrust matters. Therefore, if any anti-competitive act is conducted within or has effects in Chile, the TDLC will have the authority to address and adjudicate the issue, applying Chilean law accordingly.

Under Chilean law, private parties are not mandated to disclose all documents related to the case at a specific stage, and there is no formal discovery process akin to those found in other jurisdictions. Instead, Article 349 of the Civil Procedure Code provides that parties may request the “production of documents” as an evidentiary measure. Such requests can be made for documents held by the opposing party or third parties, provided that the documents are directly relevant to the issue in dispute.

The TDLC will admit such requests “with notice” if they meet the specified criteria. The party affected by the request has three days to object to the disclosure, citing reasons such as that the document is not in their possession or that it is not relevant to the contested matter.

If the request for document production is granted, a hearing will be scheduled to allow the parties to present the content of the disclosed documents, demonstrate their compliance with the request, and indicate if certain documents are not in their possession.

During this hearing, parties may also request that documents containing commercially sensitive information be kept confidential to protect the competitive position of the disclosing party. If the court grants this confidentiality request, the requesting party must provide redacted versions of such documents to the other parties.

Additionally, parties may seek the production of documents even before the commencement of the trial as a preliminary evidentiary measure.

If the party required to produce documents fails to comply with the court’s order without just cause, the court may impose fines or arrests, without prejudice to repeating the order and warning. In addition, the defaulting party shall lose the right to assert at trial the documents that they did not produce in a timely manner (unless the other party also asserts them in support of their defence, or if it is justified that they were unable to produce them earlier, or if they relate to facts other than those that motivated the request for production).

In addition, Article 51 of the Consumer Protection Act stipulates that, in class actions, if the defendant supplier refuses to provide documents and the court determines that this refusal is unfounded, the judge may consider that the opposing party’s claims about the content of these documents is proven for all legal effects.

The legal professional privilege is recognised and protected under Chilean legislation. Specifically, in relation to antitrust litigation, Article 39(n) of DL 211 mandates that the FNE, in use of its investigative powers, “may not intercept communications between the investigated subject and those persons who, by their status, profession, or legal function, such as a lawyer, doctor, or confessor, have the duty to maintain the confidentiality of the secrets entrusted to them”. Additionally, the FNE has acknowledged that this protection is not only applicable to the interception of communications but also extends to the seizure of documents.

Recently, the FNE has argued that in order for a communication to be protected by this privilege, three conditions must be fulfilled:

• the intervention of a lawyer, both in the organic sense (holding that status) and functional sense (acting in that capacity concerning the accused);
• the confidential nature of the communication and its maintenance as such; and
• the communication aims to seek legal advice in the context of defence.

The TDLC has also recognised this protection even in cartel cases if the documents have been produced by outside counsel, thus excluding in-house counsel (TDLC decision in case C-386-2019 FNE v Biomar).

Leniency Applications

In Chile, there are not formal leniency agreements, but rather the agreement is formed by a leniency application and an FNE resolution accepting the application. It is important to note that Chilean law only provides for leniency applications in cartel cases.

These applications are typically kept confidential, being declared as such by the FNE during the cartel investigation. Then, during the trial, the TDLC will maintain the declared confidentiality, but may order the FNE to prepare a public version of the leniency application, with redactions to safeguard information that could significantly impact the competitive position of the leniency applicant.

Settlement Agreements

The FNE is authorised to enter into out-of-court settlement agreements with the investigated parties, which must be disclosed in a public court proceeding, to request the TDLC’s approval.

Accordingly, regarding these agreements, the principle of transparency applies. This principle ensures that both the existence of the settlement and the associated procedural actions ‒ including the resolution calling for the TDLC hearing, the hearing itself, and the resolution approving or rejecting the settlement ‒ are public. Any legitimately interested party is entitled to access this information and even take part in the hearing.

The aforementioned transparency is, however, subject to the protection of confidential information as stipulated in paragraph 3 of Article 39(a) of DL 211. This provision authorises the FNE to, either on its own initiative or upon request by an interested party, declare certain parts of the case documents as confidential if their disclosure could substantially impact the competitive position of the document's owner or compromise the effectiveness of the FNE’s investigations. In this case, the TDLC will request the FNE to produce a public version of the documents, where all confidential information will be redacted.

During the trial, witness evidence must be presented orally. To present oral testimony, the parties must submit a list of witnesses within the first five days of the evidentiary stage, after which the TDLC will summon a hearing. Witnesses are compelled to attend, under penalty of arrest or fine if they fail to attend the second time that they are legally summoned.

At the hearing, witnesses will be questioned and cross-examined about the specific point of proof for which they were summoned to testify. Additionally, the judge may also ask questions.

In theory, a witness’s statement could be submitted in writing as documentary evidence, but this is not usual practice, because oral testimony has greater power of conviction, as the witness can be questioned about their impartiality and cross-examination is possible.

The parties may present expert witness evidence by submitting expert reports or requesting a hearing for their verbal testimony.

The common practice in antitrust litigation is that the parties submit technical or economic reports prepared by experts in certain subjects, such as the structure and characteristics of the relevant market, or the assessment of damages.

Once the report has been submitted, the TDLC, either at the request of the party that submitted the report or on its own initiative, may set a special hearing for the experts to testify about the content of the report. At the hearing, the parties and the judge may also ask questions, which must refer to points addressed in the report.

The decision of the TDLC to set a hearing or not is discretionary, but it has been the common practice in recent cases.

If a hearing is scheduled, it is not necessary for experts to state their position in advance on the matters discussed in the trial or in the report.

Assessment of Damages

Although Article 30 of DL 211 establishes the procedural rules to be followed in damages claims, it does not address the issue of damages assessment. However, it is an established practice to calculate damages based on a counterfactual scenario, comparing certain competitive conditions (eg, prices, quality of the goods and services, and production rates and capacity) in the market involved in the anti-competitive conduct, during the period when it took place, with an alternative scenario not affected by that conduct (eg, a different period or the same period but for different products/services), while also taking in consideration external factors that may have affected competition in the market (eg, public policies, new regulations and economic situation of the country).

Concerning the type of damages that may be claimed for compensation, Chilean legislation refers to “all the damages caused”, which involves both economic and non-economic damages. In the case of class actions, as of 2018, the law explicitly provides for the possibility of claiming collective moral damages.

On the one hand, economic damages include actual damage, which refers to the economic losses actually suffered by the parties (ie, the costs in which they had to incur to fix the damages caused). On the other hand, economic damages also include the loss of profits, which refers to the income that the affected parties stopped receiving because of the anti-competitive conduct, including interest. In order to be compensated, all damages must be a direct consequence of the anti-competitive conduct penalised by the TDLC’s decision in the infringement proceeding.

Punitive Damages

DL 211 does not contemplate the possibility of a conviction for punitive damages in addition to compensatory damages. Therefore, in this matter, the general principle of prohibition of unjust enrichment should apply, meaning that the value of the compensation is limited by the amount of the effective damage caused and cannot be transformed into an object of profit or gain for the indemnified party. Additionally, the deterrent effect sought by punitive damages is already protected by the sanctions applied by the TDLC in the previous infringement procedure.

Notwithstanding the above, part of the national doctrine maintains that Article 53 (B)(c) of the Consumer Protection Act establishes a special rule regarding punitive damages for class action lawsuits. Specifically, Article 53(B)(c) states that, in the decision that upholds a damage claim in a procedure for the protection of collective or diffuse interests of consumers (ie, a class action), courts have the authority to increase the amount of damages by 25%, based on certain aggravating circumstances.

The circumstances to be considered are:

• previous sanctions for the same infraction by the offender;
• the severity of the economic damage caused to consumers;
• the severity of the damage caused to the physical or moral integrity of consumers; and
• the impact on the safety of consumers or the community even if no damage has occurred.

It is unclear, however, whether courts with jurisdiction over antitrust matters, ie, the TDLC and the Supreme Court following an appeal, will apply this rule in proceedings for class actions arising from anticompetitive conduct.

Passing-On Defences

Regarding class actions for damages of collective interest, the “pass-on” or “pass-through” defence may be raised by the defendants when disputing the causal link between the anti-competitive conduct and the alleged damages. Please refer to 2.5 Pass-On Defences.

Joint and Several Liability

Concerning the fines imposed on legal entities convicted of anti-competitive conduct, Article 26 of DL 211 expressly allows for the imposition of joint and several liability on their directors, managers and other individuals who benefited from the act in question, provided that they participated in its commission.

As for claims for damages, Article 2317 of the Civil Code establishes joint and several liability for any harm resulting from a tort or quasi-delict committed by two or more persons.

For both cases, once the debt is paid by any of the co-debtors, the obligation is extinguished for all the others as well.

Liability Limitation of Immunity Applicants

As noted in 6.3 Leniency and Settlement Agreements, DL 211 provides for leniency exclusively for cartel cases, granting full exemption from fines to the first leniency applicant and a reduction of up to 50% for the second applicant that provides additional information.

Accordingly, first applicants are exempt from liability, whereas second applicants will benefit from a reduction and remain jointly liable for the remaining balance of the fine.

If the applicant is a legal person, then, in addition to the applicant itself, the legal persons that belong to the same business group, as well as their current and former officers, employees, advisors and/or agents will also benefit from the leniency.

Furthermore, with respect to the procedure for seeking compensation for damages caused by anti-competitive conduct, the Chilean legal system does not provide for rules that mitigate the civil liability of immunity applicants, nor is there a limitation that exempts them from joint liability for such damages.

Having established the presence of joint and several liability for the payment of fines and damages, it is important to note that the Civil Code stipulates that a defendant who has paid either the full amount or a substantial portion of the debt is entitled to initiate a civil action seeking reimbursement from the other joint debtors for their respective shares. The prevailing legal doctrine suggests that the most appropriate method for determining each debtor's contribution is to allocate it according to their respective degrees of fault and causal contribution to the damage.

Injunctions or precautionary measures in competition law are governed by Article 25 of DL 211, which provides that the TDLC, either on its own initiative or upon request from a party, and at any stage of the proceedings ‒ including prejudicial stages ‒ may order any precautionary measures deemed necessary to prevent the negative effects of the conduct brought to its attention and to safeguard the public interest.

These measures are inherently provisional, remaining in effect only as long as there is a risk of adverse consequences if they are not upheld. As such, they may be amended or revoked at any stage of the proceedings. Additionally, these measures must be proportional, restricted to what is strictly necessary to safeguard the interests involved.

To request a precautionary measure, the petitioner must submit a request to the court, providing arguments as to why the measure is essential to prevent the negative effects of the anti-competitive behaviour. For the request to be deemed admissible, the law provides that it must include “evidence that establishes, at least a serious presumption of the right asserted, or the facts alleged.”

Moreover, when deemed necessary, the TDLC may require a bond to secure against any potential unjustified harm that the precautionary measure might cause.

Upon submission of the precautionary measure request, the court may either reject or approve it “with notice”, meaning the measure will take effect after a period of three days, unless the opposing party files an objection within that time frame. If an objection is raised, a separate procedure, known as an “incident”, will be initiated to address the admissibility of the precautionary measure. This incident will be processed separately from the main proceedings and will not suspend it.

In exceptional cases, the TDLC may order the precautionary measures to be implemented without notice to the affected party, only if there are sufficient grounds for doing so. If the measure is granted under these circumstances, the applicant is required to give notice to the affected party within five days of the court’s decision; failure to do so will render the measures void. The TDLC may extend this period if deemed necessary for a reasonable cause.

If the case warrants urgency, because the effects of the act being prevented would be very serious or irreversible, the court will resolve the precautionary measure request rather quickly (eg, the day after its submission).

Article 22 of DL 211 authorises the TDLC to invite the parties to seek a settlement once the deadline for responding to the complaint has elapsed. Furthermore, the TDLC may initiate settlement proceedings as many times as it deems necessary throughout the litigation process. Additionally, the parties may agree to a settlement outside the proceedings and submit it to the court for its review and approval, thereby bringing the trial to an end.

Under Chilean law, arbitration is permissible as long as it is not expressly prohibited by law and all the parties involved agree to it.

With respect to compensation for damages resulting from antitrust violations, in a recent judgment (Deportes Melipilla v ANFP), the TDLC defined a standard for submitting this type of action to arbitration. The Court held that three conditions must be met:

• the unlawful act has been determined by a final judgment before signing the arbitration clause;
• the object of the arbitration clause is indubitable; and
• the jurisdiction of the arbitral tribunal is limited to determining the existence of harm, quantifying damages, and establishing the causal relationship between the damage and the unlawful conduct.

While Chile does not have a specific prohibition against litigation funding, the practice has not been commonly adopted in the context of competition law or antitrust cases.

Under Article 144 of the Code of Civil Procedure, the party that is fully defeated in a trial or incidental matter shall be liable for the payment of all legal costs. However, the same Article provides that the court may exempt the party from such costs if it determines that the party had plausible grounds for initiating the litigation.

Additionally, an injunctive relief may be enforced though a guarantee or other reasonable measures to secure the payment of legal costs.

In antitrust proceedings before the TDLC, parties have the right to appeal the final judgment through a specialised appeal mechanism known as recurso de reclamación (appeal). This appeal, specifically designed for administrative proceedings, is applicable to both cases of anti-competitive infringements and subsequent damage claims. The appeal must be filed with the TDLC within ten business days from the notice of the final judgment. The TDLC will then process the appeal and forward it to the Third Chamber of the Supreme Court for review, where the latter may confirm, revise or annul the TDLC’s judgment.

The general condition for the TDLC to declare the appeal admissible and refer it to the Supreme Court is that the judgment causes a grievance regarding the appellant's claims.

The appeal is not only limited to points of law, but also to points of fact. Historically, since the Supreme Court is not a specialised court in economic and competition matters, it used to limit its review to legal errors. However, the highest court in Chile now asserts its jurisdiction to review even the economic analysis conducted by the TDLC, adopting a non-deferential stance in significant cases regarding the TDLC’s analyses.

According to the TDLC’s 2025 statistics, 57% of the total antitrust litigations for the period May 2024-April 2025 involved allegations of abuse of dominant position. This is followed by cartel cases, which represent 21% of the contentious proceedings in the same period.

It is anticipated that private parties will continue to focus on abuses of dominance in the coming years. In this context, based on comparative experience, there is a clear tendency to pursue actions against large international companies, even those not domiciled in Chile, but whose conduct may have repercussions in domestic markets. This trend is especially evident in cases involving digital markets and technologies, where geographical barriers are virtually non-existent.

In the field of litigation for damages, although developments have been relatively slow, the last couple of years have seen an increase in the number of cases where private companies seek compensation following convictions for abuses of dominance. Between July 2023 and July 2025, ten new claims for damages were filed with the TDLC, seven of which were based on abusive conduct previously sanctioned by the same court, while only three concerned compensation for damages to consumers arising from collusive agreements.

Furthermore, following the recent Supreme Court decision in the Papelera Cerrillos v SCA/CMPC case, claims for damages based on abuse of dominance may increase, as the standard for proving causation under that ruling is relatively flexible and appears to rely primarily on the court’s “prudential” judgment.