Gregory Lantier

Wilmer Cutler Pickering Hale and Dorr LLP

$ $$$

Pennsylvania Avenue Northwest 1875
Washington 20006 DC US

Gregory H. Lantier’s practice focuses on intellectual property and other complex commercial litigation and counseling at the trial and appellate stages. He also advises clients regarding intellectual property licensing matters and assists clients in connection with legislative and executive actions affecting intellectual property interests.

Mr. Lantier has represented clients from a broad range of industries in intellectual property infringement matters before the US Supreme Court, US Circuit Court of Appeals for the Federal Circuit, US district courts, the US Court of Federal Claims and the US International Trade Commission.

Mr. Lantier also litigates contract, trade secret, intellectual property ownership, licensing and other matters before state and federal courts. He has argued Post-Grant Proceedings before the Patent Trial and Appeal Board pro hac vice.

Additionally, Mr. Lantier has experience working with foreign counsel at the trial and appellate stages of patent infringement litigation occurring outside the United States. Mr. Lantier has successfully litigated the largest “bet-the-company” matters, helping to lead teams of dozens of attorneys to trial.

He also has had substantial success handling smaller matters with streamlined case teams to efficiently obtain results. Mr. Lantier has served clients in the financial services, computer software, medical device, telecommunications, defense, semiconductor, pharmaceutical, biotechnology and other industries.

Mr. Lantier co-chairs the firm’s Eastern District of Texas Working Group and its Post-Grant Proceedings Practice Group. He is also a member of the firm’s FinTech interdisciplinary group. Mr. Lantier is an adjunct professor at American University, Washington College of Law, where he teaches a course on patent litigation.

He is admitted to practice before the US Court of Federal Claims and the US Court of Appeals for the Federal Circuit, Fourth Circuit and Ninth Circuit, and the US District Courts for the Eastern District of Virginia, the Northern District of New York, the Western District of New York, the Southern District of New York, the Eastern District of Virginia and the District of Columbia.

Mr. Lantier is a member of the American Bar Association, the Virginia State Bar Association, the New York State Bar Association and the Federal Circuit Bar Association.

Experience :

  • Represented respondent in Bowman v. Monsanto 133 S.Ct. 1761 (2013) (affirming court of appeals).
  • Represented respondent in Stanford v. Roche. 563 US__, 131 S.Ct. 2188 (affirming court of appeals).
  • Successfully argued for affirmance of district court’s order dismissing 243 claims as reciting ineligible subject matter under 35 U.S.C. § 101.
  • On behalf of a software client, obtained complete reversal of a district court’s holding that four patents are invalid under 35 U.S.C. § 101.
  • Argued on behalf of the appellee in favor of the trial court’s award of attorney fees and costs in a patent infringement action. The Federal Circuit granted summary affirmance.
  • Successfully argued for dismissal of patent infringement complaints filed by Intellectual Ventures on behalf of insurance company clients.
  • Represented financial institution sued for infringement of patents relating to data compression and decompression. The court granted motions for summary judgment of invalidity and no infringement.


  • JD, Harvard Law School, 2003
  • BA, Journalism and English, The George Washington University, 2000


  • District of Columbia
  • Virginia
  • New York
  • United States Supreme Court

CLERKSHIPS : The Hon. Rebecca Beach Smith, US District Court for the Eastern District of Virginia, 2003 – 2004.


Rate : $$$$

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Pennsylvania Avenue Northwest 1875
Washington 20006 DC US
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