Buchanan’s IP Practice and 13 Shareholders Ranked in 2025 IAM Patent 1000

PITTSBURGH (June 2025) - Buchanan's IP practice and 13 of its attorneys are recognized in the 2025 edition of IAM Patent 1000 – The World’s Leading Patent Practitioners, a guide that identifies the top patent practitioners in key jurisdictions across in the U.S. and across the globe. The extensive research process for this guide was conducted over several months by a team of full-time analysts and involved more than 1,700 interviews with patent specialists across the globe.

The following Buchanan shareholders are recognized as leading patent practitioners in the following categories and geographic areas:

Michael L. Dever – IP Litigation, Prosecution & Transactions, Pennsylvania

David A. Gurwin – IP Transactions, Pennsylvania

Ralph G. Fischer – IP Prosecution, Pennsylvania

Bryan H. Opalko – IP Prosecution, Pennsylvania

Duane A. Stewart III – IP Prosecution, Pennsylvania

Michael Gaertner – IP Litigation, Illinois

Keith Parr - IP Litigation, Illinois

Shawn B. Cage – IP Prosecution, Washington, DC

Matthew L. Fedowitz – IP Litigation & Prosecution, Washington, DC

Patrick E. Keane – IP Litigation, Prosecution, and Transactions, Washington, DC

William C. Rowland – IP Prosecution, Washington, DC

Lloyd Smith – IP Litigation, Washington, DC

Todd R. Walters – IP Prosecution - Washington, DC/National

IAM also ranked the firm’s IP litigation, IP prosecution and IP transaction practices in Pennsylvania and the Washington, DC Metro Area. Additionally, Buchanan is Highly Recommended for its IP transactions practice in Pennsylvania.

Notably, Patrick Keane is also ranked among the IAM Strategy 300 which focuses exclusively on patent practitioners and has firmly established itself as the definitive 'go-to' resource for those seeking world-class legal patent expertise.

The IAM Patent 1000 is a standalone publication that identifies individual and firm expertise in all major areas of patent law and practice. Through an extensive research process conducted by a team of highly qualified, full-time analysts, the publication identifies the top patent practitioners, as well as leading patent law and attorney firms, in 48 of the world’s most important jurisdictions and 18 U.S. states.