Lantier_Gregory

Gregory H. Lantier

Lantier_Gregory

Gregory H. Lantier

Partner

  • Chair, Eastern and Western District of Texas Working Group
  • Co-Chair, Post-Grant Proceedings Group
Washington DC + 1 202 663 6327

Greg Lantier is a trial lawyer and appellate advocate who focuses on disputes involving intellectual property, including utility patent, design patent, copyright, and trade secret infringement as well as IP ownership and licensing lawsuits. Mr. Lantier also advises clients regarding intellectual property strategy and licensing and assists clients in connection with legislative and executive actions affecting intellectual property interests.

Mr. Lantier has served as lead counsel for clients from a broad range of industries in matters before the US Supreme Court, US Circuit Courts of Appeal, US district courts, state courts, the US Court of Federal Claims, the US International Trade Commission, and in arbitration. His post-grant proceedings practice before the Patent Trial and Appeal Board is nationally recognized. Additionally, Mr. Lantier has experience working with foreign counsel at the trial and appellate stages of intellectual property-related 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 computer software, medical device, financial services, telecommunications, defense, semiconductor, pharmaceutical, biotechnology and other industries.

Mr. Lantier chairs the firm's Eastern and Western District of Texas Working Group and co-chairs its Post-Grant Proceedings Working Group. He is also a member of the firm's FinTech interdisciplinary group.

Professional Activities

Mr. Lantier has served as an adjunct professor at American University, Washington College of Law, where he has taught 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 Texas, the Eastern District of Virginia, the Northern District of New York, the Southern District of New York 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.

  • WilmerHale Recognized in 2024 IAM Patent 1000 Rankings

    IAM Patent 1000 has recognized WilmerHale and a number of its partners in its annual rankings, which focuses exclusively on patent practice and has established itself as the 'go-to' resource for those seeking world-class legal patent expertise.

    June 13, 2024
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  • WilmerHale Lawyers Recognized as 2024 IP Stars by Managing Intellectual Property 

    In its 2024 edition of IP Stars, Managing Intellectual Property has named 19 WilmerHale partners to the annual list. According to the publication, IP Stars are senior practitioners who have been recommended or identified as leaders in their firm and/or jurisdiction.

    June 10, 2024
    Read More

  • WilmerHale Team Wins Litigators of the Week Title for Sweeping Victory in Dropbox’s First-Ever Trial

    Litigation Daily named Partners Greg Lantier and Amanda Major “Litigators of the Week” in recognition of their clean sweep defending Dropbox in its patent showdown with Motion Offense. 

    May 31, 2023
    Read More

Experience

  • US Supreme Court

    • Represented petitioner in PNC Bank v. Secure Axcess, 138 S.Ct. 1982 (2018) (vacating court of appeals).
    • 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).

  • US Court of Appeals for the Federal Circuit

    • Successfully argued for reversal of Patent Trial and Appeal Board’s final written decision of no invalidity.  
    • Successfully argued appeal on behalf of a software company client to obtain affirmance of ruling that asserted patent was invalid.
    • Successfully argued two appeals on behalf of insurance company clients in patent infringement actions brought by Intellectual Ventures. Between the two appeals, the Federal Circuit affirmed the district court's findings that three Intellectual Ventures' patents are invalid under 35 U.S.C. 101, and that Intellectual Ventures did not own a fourth patent.
    • Successfully argued for affirmance of district court's order dismissing 243 claims as reciting ineligible subject matter under 35 U.S.C. § 101.

  • US District Courts

    • Led trial team in obtaining jury verdict of no infringement and invalidity with respect to four asserted software patents in US District Court for Western District of Texas.  Named “Litigator of the Week” by Litigation Daily following verdict.
    • Tried two high-profile cases within six months for financial services client in the US District Court for the Eastern District of Texas. 
    • Represented client in obtaining jury verdict of no liability with respect to two asserted patents in the US District Court for the Western District of Texas.
    • Obtained dismissal of patent infringement action filed against software client in the US District Court for the District of Delaware.
    • Obtained dismissal of a seven-patent infringement complaint because all claimed patent ineligible subject matter under 35 U.S.C. § 101 in US District Court for the Central District of California.
    • Successfully argued for dismissal of patent infringement complaints filed by Intellectual Ventures on behalf of insurance company clients in US District Court for the Western District of Pennsylvania. 
    • Represented medical device manufacturer asserting infringement of patents relating to methods and devices for performing spinal surgery in the US District Court for the Eastern District of Pennsylvania. The jury found the asserted patents infringed and not invalid.
    • Represented financial institution sued for infringement of patents relating to data compression and decompression in the US District Court for the Southern District of New York. The court granted motions for summary judgment of invalidity and no infringement.

  • US Court of Federal Claims

    • Successfully obtained summary judgment of no patent infringement on behalf of supplier of mail sorting machines to the United States Postal Service.

  • State Courts

    • Represented biotechnology client in patent ownership and trade secrets dispute, resulting in favorable judgment after a bench trial in Delaware Chancery Court.
    • Represented major computer technology client in license dispute with a graphics technology company in Delaware Chancery Court, resulting in settlement.

  • US International Trade Commission

    • Member of trial team representing complainant, a garage door manufacture, in a Section 337 investigation against competitor. Exclusion order issued (ITC Inv. No. 337-TA-1118).
    • Member of trial team representing respondent, a leading technology company, in a Section 337 investigation. Initial Determination of no violation issued with respect to two of three asserted patents. (ITC Inv. No. 337-TA-1093).
    • Member of trial team representing respondent, a leading technology company, in a Section 337 investigation. Initial Determination of no violation was issued. (ITC Inv. No. 337-TA-794).
    • Represented flash memory manufacturer accused of infringing patents in two successive Section 337 investigations at trial before the International Trade Commission. The ITC made a Final Determination of no violation in both investigations. (ITC Inv. Nos. 337-TA-526, 337-TA-560).

  • Patent Trial and Appeal Board

    • Argued successfully for invalidation of four remote check deposit patents on behalf of financial services client.  
    • Appearing pro hac vice, argued successfully on behalf of semiconductor manufacturer client to invalidate all challenged claims of patent relating to computer memory.
    • Appearing pro hac vice, successfully presented oral argument in trial of covered business method review proceeding on behalf of two large financial services firms.

  • Arbitration

    • Served as lead trial counsel in successful arbitration hearing to enforce patent license agreement.

  • Pro Bono

    • Represented United Farm Workers in obtaining temporary restraining order and preliminary injunction against USDA and US Department of Labor in the US District Court for the Eastern District of California, preventing reduction in wages for hundreds of thousands of farm workers.
    • Represented victims of human trafficking in US district court actions under the Trafficking Victims Protection Act.

Recognition

  • Honored as “Litigator of the Week” by Litigation Daily following jury verdict on behalf of technology client in May 2023.
  • Selected as a 2022-2024 IP Star by Managing IP, a guidebook that identifies leading IP lawyers in the United States.
  • Named a "Litigation Star" for intellectual property by Benchmark Litigation in 2017 and 2020–2024.
  • Recognized in IAM Patent 1000 – The World’s Leading Patent Professionals in the DC Metro area in 2020-2024 and nationally in 2021-2024.
  • Included in BTI Consulting's Client Service All-Stars 2020 and 2016 lists for combining "exceptional legal expertise with practical advice, business savvy and innovative, effective solutions."
  • Named among the Washington DC Super Lawyers in 2020–2024.
  • Honored by Managing IP with a 2019 Impact Case of the Year Award for his work in the US Supreme Court case PNC Bank National Association v Secure Axcess.
  • Named to the Lawdragon 500 Leading Litigators in America list.

Insights & News

View all of Gregory's insights & news

Credentials

  • Education

    • JD, Harvard Law School, 2003

      cum laude

    • BA, Journalism and English, The George Washington University, 2000

      summa cum laude Phi Beta Kappa

  • Admissions

    • District of Columbia

    • New York

    • US Supreme Court

    • Virginia

    • Wyoming

  • Clerkships

    • The Hon. Rebecca Beach Smith, US District Court for the Eastern District of Virginia, 2003 - 2004

Credentials

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