Mark Weiss is an associate in the Firm's North America Antitrust & Competition Practice Group. He is an experienced litigator and counselor with proficiency in antitrust litigation, cartel investigations, no-poach defense, and merger review. Mark has vigorously and tirelessly represented clients in a variety of industries including banking, defense contracting, aerospace, energy, electronics manufacturing, and healthcare.
Prior to joining Baker McKenzie, Mark worked at another global law firm with a focus on class-action antitrust litigation, including defending a global electronics manufacturer from price-fixing and collusion claims. Mark also defended a major global financial institution from antitrust collusion and boycott claims and a large government defense contractor from claims alleging illegal no-poach agreements.
Representative Legal Matters
Counsel for Defendant in In re: Hard Disk Drive Suspension Assemblies Antitrust Litigation (MDL 2918) in the Northern District of California alleging price-fixing claims.
Prior to joining the Firm, Mark handled the following matters:
Counsel for Defendant in In re: Capacitors Antitrust Litigation in the Northern District of California alleging collusion and price-fixing. The client favorably settled with direct and indirect purchaser classes.
Counsel for Defendant in Hunter v. Booz Allen Hamilton in the Southern District of Ohio alleging use of illegal no-poach agreements to restrain the employment market for government intelligence services.
Counsel for Defendant in In re: Stock Loan Antitrust Litigation in the Southern District of New York alleging collusion and boycott claims in the stock lending market.
Counsel for Defendant in Knurr v. Orbital ATK in the Eastern District of Virginia alleging violations of the federal securities laws. The case settled favorably.
Counsel for Defendant in Orbital Sciences v. United Launch Alliance in the Eastern District of Virginia alleging exclusionary conduct claims. The case settled favorably.
Successfully represented companies in front of the FTC and DOJ to clear mergers or acquisitions in a number of industries including grocery retail, automotive parts manufacturing, pawn shops, and recreational vehicle manufacturing.
- District of Columbia~United States (2014)
- Virginia~United States (2013)
- U.S. District Court, Eastern District of Virginia~United States (2014)
- U.S. Court of Appeals, Fourth Circuit~United States (2018)
- George Mason University School of Law (JD, magna cum laude) (2013)
- Claremont McKenna College (BA Economics & Government) (2007)
- Author, "The Seventh Circuit Shows Steely Resolve in Scrapping a Putative Class of Indirect Purchasers," American Bar Association, Cartel & Joint Conduct Review, Winter 2019
- Co-author, "The Department of Defense's Role in Merger Review," CPI Antitrust Chronicle, April 2019
- Co-author, "United States: Cartels," The Antitrust Review of the Americas 2019, Global Competition Review
- Co-author, "The FTC's Consent Decree in the Staples/Essendant Deal Sets the Playing Field for the New Commission's Split on Antitrust Enforcement," The M&A Lawyer, Volume 23, Issue 3, March 2019