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Ross Demain

Ross Demain advises clients in complex antitrust matters, including mergers and acquisitions, joint ventures, and other strategic transactions; government investigations; litigation; compliance counseling; and trade association activities.

He is particularly known for guiding innovative companies through antitrust scrutiny by helping antitrust enforcers understand the competitive dynamics of rapidly evolving technologies and industries. Clients turn to Ross to secure regulatory clearance for transformative transactions and to navigate intensive antitrust investigations, including “second request” reviews and other high-profile enforcement matters, where strategic advocacy before government authorities is critical to achieving successful outcomes.

He represents clients in civil and criminal investigations before the Department of Justice, Federal Trade Commission, and state antitrust enforcers, and has represented clients in private antitrust litigation in courts across the United States. Ross also regularly counsels clients on their premerger notification obligations under the Hart-Scott-Rodino (HSR) Act.

Ross has deep experience across technology, media and entertainment, electronics, cable, broadcast, industrial products, energy and natural resources, defense, pharmaceuticals, medical devices, sports, and financial services. His recent work includes co-leading global regulatory clearance for Warner Bros. Discovery in its $111 billion acquisition by Paramount and representing Salesforce in its $27.7 billion acquisition of Slack.

Ross is recognized as a leading next-generation antitrust practitioner. He has been named a "Future Leader" by Lexology Index: Competition and a Technology "Rising Star" by Law360.

On December 12, 2024, the U.S. Federal Trade Commission (FTC) authorized its staff to file a complaint against alcohol distributor Southern Glazer’s Wine and Spirits, LLC (“Southern Glazer’s”). The complaint alleges that the company engaged in price discrimination—charging higher prices to independent businesses and lower prices to large national and regional chains—in violation of Section 2(a) of the Robinson-Patman Act (“RPA”). The Commission voted 3-2 along party lines to file the lawsuit in federal district court, with the two Republican-appointed Commissioners—Commissioners Melissa Holyoak and Andrew Ferguson—issuing strongly worded dissenting statements (see here and here, respectively). Prior to this case, the federal antitrust agencies—the FTC and the Antitrust Division of the U.S. Department of Justice (the “Antitrust Division”)—had not brought an enforcement action under the RPA in more than two decades.

Continue Reading FTC Brings First Robinson-Patman Act Case in More Than Two Decades

Significant changes to the U.S. merger notification regime under the Hart-Scott-Rodino (“HSR”) Act are currently anticipated to go into effect on February 10, 2025, based on an update to the Federal Register publication schedule.

The Federal Trade Commission (“FTC”) announced the Final Rule implementing the changes to the HSR notification form on October 10, 2024…

Continue Reading New HSR Requirements Set to Become Effective on February 10, 2025

On October 10, 2024, the federal antitrust agencies finalized the most significant changes to the U.S. merger notification regime since the enactment of the Hart-Scott-Rodino (“HSR”) Act in 1976. The Final Rule—which was issued by the U.S. Federal Trade Commission (“FTC”) with the concurrence of the Antitrust Division of the Department of Justice (“DOJ”) (together, “the Agencies”)—will significantly increase the burden on companies whose transactions must be notified to the Agencies pursuant to the HSR Act.

Continue Reading FTC and DOJ Announce Final Rule Reshaping HSR Filing Requirements

Last summer, the antitrust agencies proposed sweeping changes to the Hart-Scott-Rodino (“HSR”) Act premerger notification form and associated rules. Covered in detail here, the proposed changes would significantly increase the time, burden, and costs on merging parties to prepare an HSR filing. The public comment period ended on September 27, 2023. Since then, the agencies have given little indication what changes would be made in response to the comments or when the proposed rules would be finalized.

Continue Reading New HSR Rules Will Be Finalized Within Weeks, According to DOJ Official

On October 17, 2023, the U.S. Government Accountability Office (“GAO”) published a report on mergers and acquisitions (“M&A”) in the defense industrial base. The report details the current M&A review process of the Department of Defense (“DOD”) and provides recommendations to proactively assess M&A competition risks.

Currently, DOD’s Industrial Base Policy (“IBP”) office, with input…

Continue Reading GAO Recommends Increased Guidance for DOD Mergers & Acquisitions Review

On July 19, 2023, the Federal Trade Commission and the Antitrust Division of the U.S. Department of Justice (collectively, “the Agencies”) issued a new set of merger guidelines in draft form for public comment (the “Draft Guidelines”).  The Draft Guidelines, if adopted, will replace the Horizontal Merger Guidelines issued in 2010 and the Vertical Merger Guidelines issued in 2020 (the latter of which the FTC withdrew in September 2021).  The updates make significant changes to the guidelines, such as:

  • Lowering the thresholds for when the Agencies are likely to presume that horizontal mergers are illegal;
  • Including—for the first time—a presumption of illegality for certain vertical mergers;
  • Adding guidelines focused on serial acquisitions and acquisitions of potential competitors;
  • Introducing concepts related specifically to multi-sided “platforms”; and
  • Explicitly addressing the effects of transactions on labor markets for the first time.
Continue Reading U.S. Antitrust Agencies Propose Major Changes to Merger Guidelines

On June 27, 2023, the U.S. Federal Trade Commission (“FTC”), with the concurrence of the Antitrust Division of the Department of Justice (“DOJ”) (together, “the Agencies”), issued a Notice of Proposed Rulemaking (the “Notice”) that proposes extensive changes to the Hart-Scott-Rodino (“HSR”) Act premerger notification form and associated instructions, as well as to the rules implementing the Act. The proposed changes represent the most significant revisions to the requirements that HSR filing persons must satisfy in the nearly 50 years since the inception of the HSR notification process. 

Continue Reading FTC and DOJ Propose Sweeping Changes to the HSR Form

Yesterday, the Federal Trade Commission (“FTC”) published revised thresholds for the Hart-Scott-Rodino (“HSR”) Act, which will take effect on February 23, 2022. Earlier, the FTC also announced new thresholds for Section 8 of the Clayton Act, which governs interlocking directorates. Each of these thresholds is higher for 2022, than for 2021. The HSR Act and Section 8 thresholds are adjusted annually based on the change in gross national product. The maximum daily civil penalty for violations of the HSR Act, which is tied to inflation, has also increased.
Continue Reading FTC Announces New Higher HSR Filing and Interlocking Directorate Thresholds, Higher Civil Penalties

The Federal Trade Commission (“FTC”) announced on February 4, 2021, that it is temporarily suspending the discretionary practice of granting “early termination” of the Hart-Scott-Rodino (“HSR”) Act waiting period, with support from the Antitrust Division of the U.S. Department of Justice (“DOJ”). The Agencies cited “the unprecedented volume of HSR filings” and “challenging transition period” as the reasons for suspending grants of early termination.
Continue Reading Early Termination of HSR Waiting Periods Temporarily Suspended

Today, the Federal Trade Commission (“FTC”) published revised thresholds for the Hart-Scott-Rodino (“HSR”) Act, which will take effect on March 4, 2021. Earlier, the FTC also announced new thresholds for Section 8 of the Clayton Act, which governs interlocking directorates. Each of these thresholds is lower for 2021, than for 2020. This is only the second time the HSR Act thresholds, which—like the Section 8 thresholds—are indexed to gross national product, have fallen since annual adjustments began in 2005. In contrast, the maximum daily civil penalty for violations of the HSR Act, which is tied to inflation, has increased.
Continue Reading FTC Announces New Lower HSR Filing and Interlocking Directorate Thresholds, Higher Civil Penalties