IAM Patent 1000 2026 Recognizes Arnold & Porter’s Patent Capabilities
May 29, 2026
The 15th edition of the IAM Patent 1000 — The World’s Leading Patent Professionals recognized 15 Arnold & Porter lawyers over seven jurisdictions for their outstanding patent work across the United Kingdom, United States, and internationally. Arnold & Porter was also included in the guide’s “International” list of 35 firms. The IAM Patent 1000 guide “shines a spotlight on the firms and individuals that are deemed outstanding in the pivotal area of patent law.”
Arnold & Porter received the following firm rankings in the 2026 IAM Patent 1000 guide:
- International—Recommended
- Litigation—Silver (California)
- Litigation—Silver (D.C. Metro Area)
- Litigation—Silver (Illinois)
- Litigation—Silver (New York)
- Litigation—Silver (United States: National)
- Prosecution—Recommended (D.C. Metro Area)
- Transactions—Recommended (New York)
- Transactions—Gold (United Kingdom: England and Wales)
The following lawyers were recognized in the 2025 IAM Patent 1000 guide:
- Daniel DiNapoli—Silver: Litigation (New York)
- Deborah Fishman—Recommended: Life Sciences Prosecution (United States: National); Gold: Litigation (California)
- Michael Harris—Bronze: Litigation (Illinois)
- Dina Hayes—Silver: Litigation (Illinois)
- Thomas Magnani—Recommended: Transactions (California)
- David Marsh—Highly Recommended: Prosecution (D.C. Metro)
- Daniel Reisner—Silver: Litigation (New York)
- Christopher Renk—Bronze: Litigation (Illinois)
- Evan Rothstein—Silver: Litigation (Colorado)
- Beatriz San Martin—Bronze: Litigation (United Kingdom: England & Wales)
- Ali Sharifahmadian—Bronze: Litigation (D.C. Metro Area)
- Aaron Stiefel—Silver: Litigation (New York)
- Ewan Townsend—Highly Recommended: Transactions (United Kingdom: England & Wales)
- Tom Wilson—Next Generation: Recommended (United Kingdom: England and Wales)
- Matthew Wolf—Recommended: Court of Appeals for the Federal Circuit (United States: National); Gold: Litigation (D.C. Metro Area)
