Ryan Shores’ is widely recognized as a go-to lawyer for the most challenging antitrust matters, including antitrust litigation, government investigations, and merger clearance.

Ryan has served as lead counsel on many high-profile antitrust matters across industries, including defense, energy, airlines, healthcare, retail, sports, and various technologies. Ryan is regularly retained by clients to lead the defense of merger and other challenges bought by the Federal Trade Commission and Department of Justice. In the last four years alone, Ryan has served as lead counsel in five merger challenges brought by the federal antitrust agencies, state enforcers, and private plaintiffs, and he is currently lead counsel in two pending challenges. Ryan also has steered multi-billion-dollar mergers through the clearance process at the federal antitrust agencies and handled numerous sensitive investigations by federal and state enforcers.

Before returning to private practice in 2021, Ryan served as Associate Deputy Attorney General & Senior Advisor for Technology Industries at the Department of Justice. In that role, he oversaw the Department’s antitrust review of major online platforms.

Notable Experience

Notable Experience

  • Tempur Sealy in challenge to merger with Mattress Firm brought by the FTC under Section 7 of the Clayton Act and Section 5 of the FTC Act.

  • Capital One in securing clearance for its $35 billion merger with Discover Financial and in merger challenges to the transaction brought by private plaintiffs. 

  • Legends Global in securing clearance for its $2.4 billion acquisition of ASM Global.

  • JetBlue in challenge to merger with Spirit Airlines brought by DOJ under Section 7 of the Clayton Act.

  • Booz Allen in challenge to merger with EverWatch brought by DOJ under Section 1 of the Sherman Act and Section 7 of the Clayton Act. 

  • Philip Morris International in class action challenge to acquisition of Swedish Match under Section 7 of the Clayton Act and Section 2 of the Sherman Act.

  • Pratt & Whitney Canada in monopolization and conspiracy claims related to alleged aftermarket.

  • Data storage company in claim of monopolization and attempted monopolization brought by competitor.

  • Internet retailer in putative antitrust class action and Federal Trade Commission challenge related to trademark settlement agreements covering search advertising.

  • Defense contractor in putative antitrust class action alleging unlawful agreements not to poach employees.

  • Major financial institutions in various antitrust actions related to credit cards, benchmark rates, and interchange fees.

  • Major energy company in cases alleging antitrust, breach of contract, RICO, and other theories related to alleged underpayment of royalties.

  • Aerospace company in antitrust action challenging exclusive dealing agreement.

  • Supplier of cement and concrete in two putative antitrust class actions alleging price-fixing, market allocation, and customer allocation.

  • Major defense contractor in antitrust action alleging exclusive dealing and other antitrust claims related to a government procurement.

  • Building products supplier in antitrust class action and opt out action alleging supplier conspired with competitors to fix prices and reduce supply.

  • Drug testing service provider in putative class action alleging a wide range of business torts and antitrust violations under Sections 1 and 2 of the Sherman Act and state law.

  • Two appellants in appeal before the U.S. Court of Appeals for the District of Columbia Circuit concerning antitrust claims alleging foreclosure of chemical supply needed to produce certain drugs.

  • Multinational corporations in investigations by the U.S. Department of Justice, Federal Trade Commission, and State Attorneys General.

See More

Publications

Events

June 2025
Panelist, “Taking Aim at Vertical Mergers – A Twin or King-Sized Problem?,” New York State Bar Association

April 2025
Panelist, “Merger Trials: Winning Strategies,” 2025 Antitrust Spring Meeting

April 2024
Mock Jury Trial, ABA 2024 Antitrust Spring Meeting

May 2023
Panelist, 2023 Antitrust Law & Economics Institute for Federal Judges

March 2023
Panelist, Global Competition Review: Antitrust in the Digital Economy

December 2022
Speaker, Conference Board Chief Legal Officers Council: Antitrust Developments

May 2022
Panelist, Global Competition Review: What Does Web 3.0 Mean for Antitrust Enforcement?

September 2021
Speaker, Texas General Counsel Forum: Antitrust’s Paradigm Shift

September 2021
Panelist, CLE Presentation: Trademark and Other IP Disputes: Key Lessons from 1-800 Contacts, Balancing Antitrust and IP Interests