Pierce Atwood

Pierce Atwood LLP is a full-service New England-based law firm with approximately 150-160 attorneys, maintaining seven East Coast offices in Portland and Augusta, Maine; Portsmouth and Concord, New Hampshire; Boston, Massachusetts; Providence, Rhode Island; and Washington, D.C.. The firm is recognized by Chambers USA, with 39 attorneys acknowledged in 2026, and its Intellectual Property practice in Maine has achieved a Band 1 ranking.

The firm's IP litigation practice encompasses a broad range of disputes, including patent, trademark, and copyright infringement, internet domain name disputes, unfair competition claims, and trade secrets. Within patent litigation, Pierce Atwood attorneys have experience in technology areas such as advanced materials & manufacturing, clean tech, communications & networking, electrical & mechanical engineering, fintech, life sciences, medical devices, robotics, and software & computer technologies. Their representation of Microsoft Corporation as local counsel in Uniloc USA, Inc. et al. v. Microsoft Corporation aligns with their stated focus on software and computer technologies.

Based on available data, Pierce Atwood primarily acts on the defendant side in patent litigation, with its single tracked appearance being in defense of an operating company. The firm's client base includes regional enterprises, middle-market companies, and Fortune 500 corporations, indicating a focus on defending established businesses.

Pierce Atwood has an active Post-Grant Proceedings practice before the U.S. Patent & Trademark Office, representing clients in Inter Partes Review (IPR) and Post-Grant Review (PGR) proceedings before the Patent Trial and Appeal Board (PTAB).

Key partners in the firm's patent practice include Ilan Barzilay, Chair of the Patent Practice Group, who specializes in patent prosecution and enforcement, particularly in machine learning, computer science, and electrical engineering. Robert Abrahamsen also focuses on procuring patent rights, counseling, and litigating patents across various tribunals, including the PTAB, with experience in electronic, software, and mechanical arts. Additionally, Dan Wehner is highly regarded for his work in patent prosecution and litigation, with a focus on the technology sector, and is recognized as Band 1 for Intellectual Property in Maine by Chambers USA. John E. Bulman is also recognized for his extensive trial experience and served as local counsel in the aforementioned Uniloc case.