P. Anthony Sammi



Patent Litigation

New York

T: +1.212.735.2307

F: 1.917.777.2307


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P. Anthony Sammi litigates complex, high-technology IP cases at the trial and appellate levels.

Mr. Sammi’s practice includes trials and appeals of patent infringement and invalidity claims, high-tech trade secret misappropriation claims, and source code copyright infringement claims, among other IP causes of action. In addition to first-chairing jury trials in U.S. District Courts and arguing before the Federal Circuit, Mr. Sammi has first-chaired trials before the PTAB (Patent Trial and Appeal Board) of the U.S. Patent and Trademark Office pursuant to the America Invents Act. His practice also includes counseling both U.S. and multinational clients on evaluating, licensing and protecting intellectual property portfolios.

With a background in electrical engineering and physics, Mr. Sammi has litigated a broad range of technologies, including: virtual-reality headsets; first-person shooter and 3D gaming; petrochemical industry modeling software; source code (HLASM, C++, C#); mobile telephone protocols; blood centrifuge devices; satellite on-board stability systems; medical implant devices; sporting equipment; pharmaceuticals; and cosmetics.

He is a member of the Skadden group recognized by The National Law Journal as one of the country’s leading IP practices in its 2013 “IP Hot List.”

Selected litigation engagements include:

  • lead trial counsel in a U.S. District Court, Northern District of Texas, trade secret misappropriation and copyright infringement litigation representing the plaintiffs, world-leading video game studios, involving virtual-reality technology, hardware and source code;
  • trial counsel in a U.S. District Court, Eastern District of Texas, breach of contract litigation stemming from a patent litigation settlement resulting in entry of a judgment of $69 million in favor of plaintiff, a leading financial institution;
  • lead trial counsel before the U.S. Patent and Trademark Office Patent Trials and Appeals Board on a Covered Business Method patent petition regarding auto-financing technology for the patent owner, a leading auto-finance company;
  • appellate counsel in a Fifth Circuit Appeal from a successful jury verdict (below); obtained affirmance of all verdicts regarding IP claims;
  • lead trial counsel on technology claims in a U.S. District Court, Southern District of Texas, trade secret misappropriation and copyright infringement jury trial representing the plaintiff, a leading software technology company; obtained a jury verdict, multimillion-dollar damages award, and permanent injunction for infringement and misappropriation;
  • lead trial counsel in a U.S. District Court, Eastern District of Texas, patent infringement jury trial representing the defendant, one of the largest national archives of check images and electronic content for multi-bank infrastructure solutions; obtained a final, non-appealable, take-nothing judgment against the plaintiff, NPE, after a multi-week jury trial in Marshall, Texas;
  • lead counsel in successfully defending against a preliminary injunction sought by the plaintiffs in a U.S. District Court, Eastern District of New York, copyright infringement and trade secret misappropriation action representing a leading global software development firm;
  • trial counsel in a U.S. District Court, District of Arizona, patent infringement trial representing the defendant, a leading sports equipment manufacturer, in which judgments of non-infringement and patent claim invalidity due to obviousness were obtained;
  • arguing before the U.S. Court of Appeals for the Federal Circuit representing the defendant-appellee, a leading sports equipment manufacturer, in the plaintiff’s appeal of district court post-trial judgment of invalidity and non-infringement; District Court judgments in favor of client were affirmed;
  • representing a world-leading satellite manufacturer in defending against claims of patent infringement involving complex satellite guidance, stability, and station-keeping circuitry and control systems;
  • leading the patent aspects of a multibillion-dollar acquisition of a social networking and VoIP service provider company; and
  • leading the patent aspects of a multibillion-dollar merger and settlement relating to mobile device manufacturers.

Selected counseling engagements include:

  • representing Xiaomi, Inc., the world’s third largest smartphone manufacturer, on global IP strategy;
  • representing Taiwanese multinational smartphone and tablet manufacturer HTC Corp., on global IP strategy; and
  • representing the National Football League on patent and trade secret strategy.

Representative clients have included: ZeniMax Media, Inc.; id Software, Inc.; Xiaomi, Inc.; HTC Corp.; National Football League; Credit Acceptance Corp.; Aspen Technology, Inc.; JPMorgan Chase & Co.; Bank One Corporation; Lockheed Martin Corporation; Motorola, Inc.; Virgin Mobile USA, LLC; Rocket Software, Inc.; AstraZeneca PLC; Benetton Sportsystem USA, Inc.; Compaq Computer Corporation; Viewpointe Archive Services L.L.C.; Trish McEvoy, Inc.; and Infra+ S.A.


  • Speaker, PLI 9th Annual Patent Law Institute, March 16, 2015, New York City
  • Speaker, AIPLA 2014 Annual Meeting, October 24, 2014, Washington, D.C.
  • Moderator, Trade Secret Management and Monetisation, July 14, 2014, London
  • Speaker, PLI 8th Annual Patent Law Institute, March 17-18, 2014, San Francisco (and February 3-4, New York City)
  • Speaker, PLI Trade Secrets 2014, February 24, 2014, San Francisco
  • Speaker/Panelist, Trade Secret Law Summit (AIPLA 2013 Annual Meeting), October 22, 2013, Washington, D.C.
  • KPMG: Korean Financial Management Academy 2013, September 30, 2013, New York City
  • Speaker, “US Round Table: Best Practices Post AIA,” MIP Global IP & Innovation Summit, September 4-5, 2013, Shanghai
  • Presenter, “Litigating Against Non-Practicing Entities,” Sixth Annual Patent Law Institute, February 16, 2012
  • Member, Steering Committee; Speaker, “Building Client Relationships,” The New Partner Forum, The American Lawyer, New York City, October 11-12, 2011
  • Presenter, “The Role of the Specification in Claim Construction: Is It a Guidepost or a Fence?” BNA webinar, June 15, 2011
  • TV Interview, “How ‘Gesture Technology’ Like Microsoft Kinect Will Change the Way We Live,” PBS’ Need to Know, April 8, 2011
  • Presenter, “Litigating With An Eye Toward Trial,” Fifth Annual Patent Law Institute, February/March 2011

Bar Admissions

New York
U.S. Court of Appeals for the Federal Circuit
U.S. District Courts for the Southern and Eastern Districts of New York


J.D., Cornell Law School, 1998

B.S., Electrical Engineering, University of Maryland, 1995


Member, American Intellectual Property Law Association

Member, New York Intellectual Property Law Association

Past President and Director, South Asian Bar Association of New York

Past Director, National South Asian Bar Association