Lance M. Peterzell

Lance M. Peterzell is a patent litigation attorney with a practice focused on complex intellectual property matters. His experience, particularly with a pharmaceutical contract development and manufacturing organization (CDMO) and research for a chemicals company, suggests an emphasis on life sciences and chemical technologies. While his professional profile outlines a broad focus on intellectual property litigation, specific technology areas are not extensively detailed in publicly available summaries of his work.

Based on tracked appearances, Mr. Peterzell has appeared on the defendant side in one case as a pro hac vice attorney. His current affiliation is as an associate at Wilmer Cutler Pickering Hale and Dorr LLP (WilmerHale), which he rejoined in 2025 after a clerkship. He initially began his career at WilmerHale as a summer associate in 2021 and a full-time associate in 2022. Prior to rejoining WilmerHale, he completed a judicial clerkship with the Honorable Raymond T. Chen of the United States Court of Appeals for the Federal Circuit from 2024 to 2025. His single tracked appearance for Faegre Drinker Biddle & Reath was as a pro hac vice attorney, an earlier role not reflecting his current primary firm affiliation.

No specific notable cases, trial verdicts, Federal Circuit appeals, or public settlements are widely reported for Mr. Peterzell, which is typical for attorneys early in their careers. However, his clerkship at the Federal Circuit provides valuable insight into appellate patent practice. He is a registered patent attorney with the United States Patent and Trademark Office (USPTO), indicating his eligibility to practice before the USPTO in patent prosecution and post-grant review proceedings, though specific details of his regular appearances in IPR/PGR proceedings are not publicly detailed.

Mr. Peterzell earned his Juris Doctor, magna cum laude and Order of the Coif, from New York University School of Law in 2022, where he was also a Senior Web Editor for the Journal of Intellectual Property & Entertainment Law. He holds a Bachelor of Arts in Chemistry, magna cum laude with Distinction in Chemistry, from Washington University in St. Louis (2018). He is admitted to practice in New York, before the US Patent and Trademark Office, and the US Court of Appeals for the Federal Circuit.