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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Total results: 1188
James Weinberger
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Partner   Fross Zelnick Lehrman & Zissu
Theresa Weisenberger
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Partner | Co-Lead – Artificial Intelligence (AI) Practice   BakerHostetler
Elizabeth Weiswasser
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Partner | Co-chair - Litigation Department   Paul Weiss Rifkind Wharton & Garrison LLP
Andrew Wells
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Partner | Head of Chemistry   HGF
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Director of Beijing office   China Patent Agent (HK) Ltd
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CEO   Springbird
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Global Co-Chair Intellectual Property practice   Paul Hastings
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Partner   Seyfarth Shaw
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Partner   Baker McKenzie
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Partner   Charles Russell Speechlys
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Partner   Powell Gilbert
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Co-Chair -Intellectual Property Practice   Winston & Strawn LLP
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Partner   Cherian LLP
Diversity
Global Legal Leader   Hitachi
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Partner   Baker McKenzie
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Head of Africa Trade Marks / Africa Managing Partner   CWB
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Managing Partner (Charlotte) | Co-Chair- Intellectual Property Practice   Winston & Strawn LLP
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Partner   Powell Gilbert
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Partner | Firm Executive Committee Member   Kilpatrick
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Partner   Seyfarth Shaw