Greg 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-leads the firm's Eastern District of Texas Working Group and its Post-Grant Proceedings Working Group. He is also a member of the firm's FinTech interdisciplinary group.