Notable Successes

IAM Patent 1000 recognized Desmarais LLP’s intellectual property litigation work in its 2025 rankings, highlighting the firm’s New York, San Francisco, and Washington, D.C. offices and 15 partners as leading patent practitioners.
 
“Desmarais LLP delivers crisp results in patent litigation, courtesy of talented trial lawyers with a fine-grained understanding of intricate technologies and deep experience in major dispute forums nationwide,” IAM said in its rankings guide.
 
The annual IAM Patent 1000 rankings are based on a five-month research process that includes interviews with approximately 1,800 private practice attorneys and in-house counsel across the industry. IAM then selects the standout firms and attorneys for inclusion in the patent rankings, which are divided across the patent prosecution, transactions and litigation categories.
 
See the full IAM Patent 1000 rankings for 2025
 
Complete Firm and Individual Rankings
 
National

• Firmwide Litigation
• Firmwide Plaintiff

• Firmwide Litigation

• Firmwide Litigation

• Firmwide Litigation

• Paul Bondor – New York
• Betty Chen – California
• John Desmarais – New York
• Yung-Hoon (Sam) Ha – New York
• Gabrielle Higgins – California
• Alan Kellman – New York
• Peter Magic – California
• Cosmin Maier – New York
• Jonas McDavit – New York
• Karim Oussayef – New York
• Tamir Packin – New York
• Goutam Patnaik – Washington, D.C.
• David Shaw – Washington, D.C.
• Leslie Spencer – New York
• Justin Wilcox – Washington, D.C.

Paul A. Bondor

Betty Chen

John M. Desmarais

Yung-Hoon (Sam) Ha Ph.D.

Gabrielle E. Higgins

Alan S. Kellman

Peter C. Magic

Cosmin Maier

Jonas R. McDavit

Karim Z. Oussayef

Tamir Packin

Goutam Patnaik

David J. Shaw

Leslie M. Spencer

Justin P.D. Wilcox