PITTSBURGH – Reed Smith LLP is proud to announce that the firm and nine of its patent lawyers have been recognized in the 2025 edition of the IAM Patent 1000: The World’s Leading Patent Professionals. The directory, widely regarded as the benchmark for excellence in patent law, has endorsed Reed Smith’s practice in England (for transactions), Texas (for litigation) and California (for litigation), underscoring the firm’s strength on both sides of the Atlantic.

Reed Smith’s global patent teams work seamlessly across time zones and jurisdictions, leveraging deep technical acumen and industry insight to find solutions to the most sophisticated intellectual-property challenges.

The IAM 1000 narrative praises Reed Smith in each of the three jurisdictions:

  • In England, the directory highlights the London practice’s ability to provide “high-quality service on both sides of the Atlantic,” commending the leadership of partner Jonathan Radcliffe, whose experience spans high-stakes patent litigation and strategic counselling on IP-intensive transactions. The guide additionally recognizes Philip Thomas for his sophisticated transactional practice at the nexus of intellectual property and data protection, noting his emphasis on industry-specific guidance and tailored advice.
  • In California, Reed Smith earns praise for “impressive wins” in complex patent disputes. The publication singles out partners Seth Herring, Jonah Mitchell and Christine Morgan for their courtroom prowess and technical fluency across computer hardware, software and other cutting-edge technologies.
  • In Texas, the firm is described as a “smart choice” for clients seeking seasoned trial counsel with broad technological proficiency. IAM highlights the leadership of Peter Chassman, including his recent engagement by global medical-device innovator Agilent, and recognizes Robert Riddle for his scientifically-grounded advocacy on behalf of major technology companies.

Princeton, N.J.-based Lisa Chiarini also earned note as a leading patent individual. Chiarini advises clients on IP litigation, counseling, patent portfolio development and IP transactions. Her depth and breadth of industry experience in IP, in addition to her chemistry background, enables her to maintain a versatile practice.

Joining these established practitioners in this year’s rankings is Washington, D.C.-based partner Stuart Irvin, with a growing reputation for handling complex patent matters across an array of industries. He co-chairs the firm’s global video games and esports practice.

Reed Smith’s global Intellectual Property Group comprises more than 80 lawyers who counsel clients across the full spectrum of IP rights. The firm’s patent team includes litigators, prosecutors and transactional lawyers with advanced degrees in engineering, computer science, life sciences and other technical fields, enabling them to craft business-oriented solutions that recognize the interplay between innovation, regulation and commercialization.

IAM Patent 1000 results are based on months-long research involving in-depth market analysis and interviews with lawyers, in-house counsel and clients worldwide. To qualify for inclusion, lawyers and firms must receive significant positive feedback regarding the depth of their experience, the quality of their work and the strength of their market presence.