Skip to main content
All

IAM Patent 1000 2025 Recognizes Arnold & Porter’s Patent Capabilities

May 30, 2025

The 14th 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 36 firms. The IAM Patent 1000 guide identifies “the world’s leading patent service providers,” shining 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 2025 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—Silver (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 Litigation (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—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)