As businesses across the globe grapple with the changing realities presented by the COVID-19 pandemic, U.S. and international antitrust enforcers have warned that business should continue to mind the antitrust laws. Global enforcers are also focusing on the role competition laws play as industries – both essential and hard-hit – grapple with the new environment.

On March 9, 2020, the U.S. Department of Justice (“DOJ”) announced its intention to continue to hold businesses accountable for per se criminal violations of antitrust laws during the Coronavirus outbreak. On the supply chain and consumer-facing side, for example, DOJ vowed to prosecute “[i]ndividuals or companies that fix prices or rig bids for personal health protection equipment such as sterile gloves and face masks.” DOJ also warned that “competitors who agree to allocate among themselves consumers of public health products could also be prosecuted.” In a departure from typical practice, DOJ’s announcement also included a call to action — inviting potential whistleblowers and would-be informants to come forward with information concerning price-fixing, bid-rigging, or market allocation schemes during the Coronavirus outbreak. DOJ’s public warning is the latest directive in furtherance of its recent formation of the Procurement Collusion Strike Force—an interagency partnership of the Antitrust Division, federal attorneys general, the FBI, OIG, Department of Defense, and the U.S. Postal Service Office of the Inspector General – focused on deterring, investigating, and detecting bid rigging and other schemes in the context of government procurement.

Whereas DOJ’s recent pronouncements reflect a focus on investigating traditional violations of Section 1 of the Sherman Act, the Federal Trade Commission (“FTC”) took swift action in furtherance of its consumer protection mission. In February 2020, the FTC issued guidance to consumers for detecting and avoiding Coronavirus-related scams. On March 9, 2020, the FTC announced that, in a joint effort with the FDA, it had issued warning letters to seven sellers of sham products that falsely claimed they could treat or prevent Coronavirus. In addition to outlining the various violations of the Federal Food, Drug, and Cosmetic Act (FD&C Act), 21 U.S.C. § 355(a), the letters warned that such false claims were unlawful under the FTC Act absent appropriate substantiation and scientific testing. Offending products included lozenges that supposedly “killed” the Coronavirus, frankincense that “decreased” risk of infection, and essential oils that “protected” against Coronavirus. In addition to sending the specific warning letters, the FTC more broadly warned businesses that any claims relating to Coronavirus will be subject to “exacting scrutiny” and the FTC will take a close look at myriad methods that companies can suggest or imply claims to consumers, including through URLs, hashtags, and suggestively named products.

Outside of the U.S., various international governments and authorities have temporarily relaxed certain competition law provisions to facilitate the provision of essential services. By way of example, large grocery chains in the United Kingdom will be allowed to exchange data on stock levels, share warehouse space and delivery vans, and team up to serve consumers in this time of crisis, after the UK government temporarily relaxed elements of UK competition law. The European Commission has also relaxed state aid rules to allow for exceptional support from member state governments to relevant sectors and businesses impacted by the virus or otherwise providing essential services to combat its spread. Despite the exceptional circumstances, international competition authorities have made clear, however, that the current situation does not provide immunity to businesses from competition/antitrust law infringements, including unlawful collusion, information exchange and/or excessive pricing, even if the relevant government encourages competitors to cooperate for COVID-related purposes.

The recent announcements and activity from the DOJ, FTC, and other global competition enforcers serve as a reminder to businesses that antitrust regulators will apply increased scrutiny to conduct during times of crisis. Companies, particularly those in the health care space, should keep antitrust policies current and closely monitor bidding, pricing, and any issues bearing on market allocation. These concerns are particularly heightened where competitors may be engaging in joint ventures, information sharing arrangements, collective government petitioning, or other collective action designed at responding to the Coronavirus crisis. In addition, consumer-facing companies must continue to ensure that products marketed, particularly those on social media, are not interpreted as implying false or misleading claims to customers.

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Photo of Stephen R. Chuk Stephen R. Chuk

Stephen Chuk is a Partner in Proskauer’s Antitrust and Sports Groups, representing clients in their most high-stakes antitrust and competition matters. A trusted advisor to general counsel and senior executives, he regularly defends clients facing criminal and regulatory investigations by the U.S. Department…

Stephen Chuk is a Partner in Proskauer’s Antitrust and Sports Groups, representing clients in their most high-stakes antitrust and competition matters. A trusted advisor to general counsel and senior executives, he regularly defends clients facing criminal and regulatory investigations by the U.S. Department of Justice, Federal Trade Commission, and state attorneys general.

Stephen has defended clients against allegations of price fixing, monopolization, group boycott and bid rigging, managing sophisticated antitrust disputes from inception through trial. In 2023, he was a lead member of the trial team that secured a landmark defense victory for Sanderson Farms, defeating $7 billion in damages claims after a six-week jury trial in the U.S. District Court for the Northern District of Illinois.

His accomplishments have earned him recognition as one of the leading young antitrust litigators in the country. Most recently, Stephen was selected as a Rising Star by Law360, named to Benchmark Litigation’s “40 & Under List” and recognized in Best Lawyers: Ones to Watch in America for 2026.

In addition to his antitrust work, Stephen counsels clients on consumer protection and marketing practices, including false advertising disputes. He has handled precedent-setting matters before the FTC and state attorneys general, giving him valuable insight into the intersection of competition and consumer protection enforcement and enabling him to equip clients with practical, business-focused strategies to manage overlapping risks.

Photo of Christopher E. Ondeck Christopher E. Ondeck

Chris Ondeck is head of the Washington, DC office and co-head of the Firm’s Antitrust Group. Chris is one of the most highly rated antitrust trial lawyers in the United States. Chris was named Antitrust Litigator of the Year in 2025 by Benchmark

Chris Ondeck is head of the Washington, DC office and co-head of the Firm’s Antitrust Group. Chris is one of the most highly rated antitrust trial lawyers in the United States. Chris was named Antitrust Litigator of the Year in 2025 by Benchmark Litigation. Chris was also named a 2024 Law360 Competition MVP, and a finalist for the National Winning Litigator Award by The National Law Journal in 2024.

In 2023, Chris won the largest antitrust jury trial of the year, and one of the largest in history, by defending Sanderson Farms as the sole non-settling defendant where the direct purchaser plaintiffs alleged $7 billion in damages. The significance of the trial victory was widely reported by ReutersBloomberg LawLaw360 and other publications, calling it a “blockbuster case.” Law360 noted that Chris “blasted” the plaintiffs’ assertions at trial and called it one of the biggest trial decisions of the year. Chris and his team were named Litigators of the Week by the American Lawyer.

Chris is a go-to litigator for clients in high-profile antitrust matters, including litigations, government investigations, and merger reviews. He also has 30-years’ expertise with the Capper-Volstead Act’s application and interpretation for agricultural cooperatives and serves as outside counsel to a large number of industry groups, including trade associations and cooperatives.

Chris’ achievements have received recognition in many legal publications including Chambers, where clients described him as “our primary thought partner – he’s very good at explaining the complex issues and making them easy to understand” and praising “his strong advocacy skills”; by The National Law Review as a “Go To Thought Leader”; by Acritas as a “Star” for multiple years; by Benchmark Litigation as a Litigation Star; and by The Legal 500 United States for Antitrust: Civil Litigation/Class Actions.

Photo of Colin Kass Colin Kass

Colin Kass is a partner in the Litigation Department and Co-Chair of Proskauer’s Antitrust Group. As a seasoned trial lawyer, Colin has handled many of the nation’s most complex and innovative antitrust cases over the past 20 years.

His practice involves a wide…

Colin Kass is a partner in the Litigation Department and Co-Chair of Proskauer’s Antitrust Group. As a seasoned trial lawyer, Colin has handled many of the nation’s most complex and innovative antitrust cases over the past 20 years.

His practice involves a wide range of industries, including financial services, healthcare, sports, media, pharmaceuticals, and automotive markets, and spans the full-range of antitrust and unfair competition-related litigation, including class actions, competitor suits, dealer/distributor termination suits, price discrimination cases, criminal price-fixing probes, and merger injunctions.

Colin also has extensive experience interfacing with the Federal Trade Commission and Department of Justice, obtaining clearance for competitively-sensitive transactions and handling anticompetitive practices investigations.

As a trusted advisor, Colin also counsels clients on their sales, distribution, and marketing practices, strategic ventures, and general antitrust compliance.