Leaders Directory 2025

After a decade of growth, WIPR Leaders has undergone its most significant transformation to date. The 2025 edition marks the beginning of a more selective, research-driven era — shifting away from a volume-based listing to one that truly reflects the very best of the global IP legal profession. 

The WIPR research team spent months overhauling the methodology, curating a refined list of top-tier IP practitioners across 80 countries and six continents, each recognised for their proven track record, peer endorsements, and outstanding contributions to the field. With a new focus on quality over quantity, only standout lawyers were nominated by their firms. Each profile is enhanced with commentary from peers and clients—offering richer insights into their expertise and reputation. Whether clients are searching for trusted external counsel, global referral partners, or top-tier legal insights—WIPR Leaders 2025 is an essential resource. The directory spans specialists across copyright, design, patents, trademarks, and trade secrets, from global powerhouses to specialist boutiques. The directory also notates of contentious and non-contentious specialisms. 

The lawyers included this year represent the very best in IP law—trusted, flexible, and highly respected by peers around the world.

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Katherine Perrelli
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Partner   Seyfarth Shaw
Joe Petersen
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Managing Partner (Silicon Valley Office)   Kilpatrick
Gwen Peterson
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Partner | Co-Lead Trademark & Copyright Team   Kilpatrick
Slobodan Petošević
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Group COO/EECA Managing Partner   CWB
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Partner   Squire Patton Boggs
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Partner   Umberg Zipser LLP
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Shareholder   Wolf Greenfield
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Principal   Smart & Biggar
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Partner, Patent Attorney   Adams & Adams
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Partner   Venner Shipley LLP
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President | Principal Attorney   Conley Rose
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Partner   Knobbe Martens
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Senior Partner   Boult
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Partner | Trade Mark Attorney   Venner Shipley LLP
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Partner   Porcario & San Juan - Legal Ruptive
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Partner   Gruenbaum Possinhas & Teixeira
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Partner | Head of Trade Marks   HGF
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Partner   Bird & Bird
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Partner   Quinn Emanuel
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Founding Partner   Tensegrity Law Group