William V. Reiss



William Reiss has nearly two decades of experience representing both plaintiffs and defendants in high profile antitrust litigation. Mr. Reiss was a member of the successful trial team in the precedent-setting antitrust litigation captioned Coalition for a Level Playing Field, L.L.C. v. AutoZone, Inc., 00-cv-00953-LDW (E.D.N.Y.).

Mr. Reiss focuses his practice on complex antitrust litigation and class actions, with particular focus litigating antitrust claims in the pharmaceutical, automotive, marine products, and financial services industries. In addition, Mr. Reiss provides extensive antitrust counseling work on behalf of generic pharmaceutical companies. He currently serves as co-lead class counsel on behalf of a class of end-payor purchasers of automobiles in In re Automotive Parts Antitrust Litigation for which he has been instrumental in achieving one of the largest indirect purchaser recoveries in U.S. history (approximately $1.2 billion in partial settlements to date).  In addition, Mr. Reiss currently serves as co-lead counsel in In re Keurig Green Mountain Single-Serve Coffee Antitrust Litigation, a proposed class action against Keurig for allegedly obtaining an unlawful monopoly through a multifaceted scheme of anticompetitive acquisitions, exclusive dealing, and sham patent litigation, and In re Interior Molded Doors Antitrust Litigation. He was recently named The National Law Journal’s “Antitrust and M&A Trailblazer.”

Mr. Reiss is committed to pro bono work and has successfully advocated on behalf of the families of the victims of the 9/11 attacks in several pro bono World Trade Center Victims’ Compensation Fund hearings before the Special Master, Kenneth R. Feinberg. He currently provides pro bono representation on behalf of immigrant children who have suffered abuse and/or neglect in their home countries.


In re Automotive Parts Antitrust Litigation – Involving alleged price-fixing conspiracies as to various automotive parts that are components of new motor vehicles.  Partial settlement to date in excess of $1.2 billion, the largest indirect purchaser recovery in U.S. history.

In re Optiver Commodities Litigation – settlement of nearly $17 million.

In re Aftermarket Automotive Lighting Products Antitrust Litigation – settlements in excess of $53 million. (Prior to joining Robins Kaplan LLP)

In re Marine Hose Antitrust Litigation – settlements totaling nearly $32 million. (Prior to joining Robins Kaplan LLP)

  • Named an “Up and Coming” Attorney, Chambers USA (2020)
  • Recipient of the "Outstanding Antitrust Litigation Achievement in Private Law Practice," Award, American Antitrust Institute (2019)
  • Named an "Antitrust and M&A Trailblazer," The National Law Journal (2018) 
  • "Outstanding Antitrust Litigation Achievement by a Young Lawyer," American Antitrust Institute (2016)
  • Named a "Rising Star," Law360 (2016)
  • Named a "Rising Star," New York Law Journal (2014)
  • KIND (Kids In Need of Defense), Volunteer Lawyer
Bar Admissions
  • New York
  • U.S. Court of Appeals, Sixth Circuit
  • U.S. District Court, Eastern District of New York
  • U.S. District Court, Southern District of New York
  • New York University School of Law, J.D.; Staff Editor, Environmental Law Journal
  • George Washington University, B.A. in Political Science and History, magna cum laude, Phi Beta Kappa (1998)                 
Professional Associations
  • New York State Bar Association, Antitrust Law Section Executive Committee Member and Membership Co-Chair
  • American Bar Association Section of Antitrust Law

  • Competition Cases to Watch in 2015, Law360 (January 2, 2015)

  • The Butterfly Effect:  When the Little Things Made a Huge Difference in My Antitrust Case
    New York State Bar Association, Antitrust Law Section and Corporate Counsel Section, New York, New York (January 30, 2020)
  • Antitrust Plus Factors
    New York State Bar Association, Antitrust Law Section, New York, New York (February 27, 2019)
  • Dont Be Afraid of the DARC
    Panel, New York State Bar Association (January 17, 2019)
  • Is Direct Really Correct Bricks Tix Kicks and Apps After Apple V Pepper
    Panel, American Bar Association (October 2, 2018)
  • Negotiating Cartel Fines and Civil Settlement
    Panel, American Bar Association Spring Meeting, Washington, DC (April 10, 2018)
  • Antitrust Class Actions
    University of Florida, Gainesville, Florida (via videoconference) (October 4, 2017)
  • REMS and Other Drug Distribution Restrictions: When Does a Brand Company Have a Duty to Deal with its Generic Rivals?
    New York State Bar Association, New York, New York (November 3, 2016)
  • What Do Recent Decisions Mean for Indirect Purchaser Class Actions in the US
    Panel, American Bar Association (July 24, 2015)
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