Leaders Directory 2025

WIPR Leaders is a one-stop guide to the leading IP practitioners in the world. The handbook lists over 2000 lawyers across patent, trademark, and copyright practices. Following an extensive nomination period, our research team vetted the nominated lawyers for suitability by exploring their work. This meant looking at practice history, industry expertise and notable cases, as well as any additional activities, such as writing and teaching responsibilities, which have allowed the lawyers to shape and influence other and future IP practitioners.

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Brienne Terril
Diversity
Senior Director | Senior Managing Counsel | Co-Head of IP Legal   BNY
Ray Tettman
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Principal   Griffith Hack
Andreas Theisen
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Partner   J A Kemp
Russell Thom
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Managing Director   Murgitroyd
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Head of Trademarks   Dumont
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Partner, Firm Chairperson   Adams & Adams
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Principal   Griffith Hack
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Partner | Patent Attorney   HGF
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Partner   BakerHostetler
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Partner   Ploum
Diversity
Chief IP Counsel   Abbott Laboratories
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Partner   K&S Partners
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Partner   K&S Partners
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Partner   Royer Cooper Cohen Braunfeld
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Partner   Kilburn & Strode
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Senior Patent Attorney   Zivko Mijatovic and Partners
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Principal   Davies Collison Cave Law
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Founder   Bear + Wolf
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Partner   Baker McKenzie
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Partner   Kilpatrick