Leaders Directory

WIPR Leaders is a one-stop guide to the leading IP practitioners in the world. The handbook lists over 1,700 lawyers across patent, trademark, and copyright practices. Stemming from a four month nomination period in which we sought views from 12,000 IP professionals, our research team vetted every nominated lawyer 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.

Interested in obtaining our WIPR Leaders handbooks? Find out more about the handbooks here.

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David Aylen

David Aylen

David Aylen is managing partner at Gowling WLG where he focuses on intellectual property litigation, patent and trademark prosecution…

  • Managing partner
  • Gowling WLG
  • Russia

Fernando Becerril

Fernando Becerril

Fernando Becerril joined the firm in 1990, became director of intellectual property management in 2000, and went on to become…

  • Chief executive officer
  • Becerril, Coca & Becerril
  • Mexico

Işık Özdoğan

Işık Özdoğan

Işık Özdoğan is a partner at Moroğlu Arseven and leads the firm’s IP team, serving a portfolio of long-standing, high-profile…

  • Partner
  • Moroglu Arseven
  • Turkey

Jorge Leon

Jorge Leon

Jorge Leon is the head of the copyright and IP litigation and enforcement department at C&L Attorneys. His practice focuses on…

  • Attorney at law
  • C&L Attorneys
  • Mexico

Linda Chang

Linda Chang

In 1995 Linda Chang was one of the first trademark agents to qualify under China’s emerging intellectual property regulatory…

  • Partner
  • Rouse & Co International
  • China

Maria Fernanda Castellanos

Maria Fernanda Castellanos

Maria Fernanda Castellanos is a partner at Brigard Castro and has experience in copyright, domain names and strategic consulting.…

  • Partner
  • Brigard Castro
  • Colombia

Mariacristina Rapisardi

Mariacristina Rapisardi is the founder of Rapisardi Intellectual Property and has been managing the intellectual property group…

  • Founder
  • Rapisardi Intellectual Property
  • Italy

Spring Chang

Spring Chang

Spring Chang is a founding partner at Chang Tsi & Partners, and is based in the firm’s Beijing office. She has more than two…

  • Founding partner
  • Chang Tsi & Partners
  • China

Marcin Fijalkowski

Marcin Fijalkowski

Marcin Fijalkowski is a partner at Baker McKenzie and heads the firm’s intellectual property team in Warsaw. He has been practising…

  • Partner
  • Baker McKenzie
  • Poland

Marina Grineva

Marina Grineva has worked at Euromarkpat since 1993 and works as a trademark specialist at the firm. She focuses her practice…

  • Trademark specialist
  • Euromarkpat Group
  • Russia

Mark Feldman

Mark Feldman

Mark Feldman is known for representing high-profile clients to protect their valuable brand assets including trademarks, patents,…

  • Senior counsel, former chair of IP group
  • DLA Piper
  • United States

Mark Steiner

Mark Steiner is a partner at Duane Morris and focuses his practice on trademark and copyright law. He works with clients from…

  • Partner
  • Duane Morris
  • United States

Max Kinkeldey

Maximilian Kinkeldey was admitted to the Bar in 1995 and works as a trademark attorney at Grünecker. His practice is mainly focused…

  • Trademark attorney
  • Grünecker
  • Germany

Melisa Litvin

Having practised IP law for more than 17 years, Melisa Litvin has gained experience in all areas of IP including patents, trademarks,…

  • Founding partner
  • Litvin Legales
  • Argentina

Michelle Ng

Michelle Ng is the deputy managing partner at law firm Donaldson & Burkinshaw. Her practice focuses on all aspects of intellectual…

  • Manager and deputy managing partner
  • Donaldson & Burkinshaw
  • Singapore

Monique Wadsted

Monique Wadsted is a partner at MAQS and has experience in all areas of intellectual property law. She specialises her practice…

  • Partner
  • MAQS
  • Sweden

Nicolas Schmitz

Nicolas Schmitz was admitted to the Bar in 2002 and studied at the University of Cologne and has experience in trademarks, domain…

  • Attorney at law
  • Grünecker
  • Germany

Niels Mulder

Niels Mulder focuses his practice on brand protection, copyright, domain names, anti-counterfeiting, know-how protection, designs…

  • Partner
  • DLA Piper
  • Netherlands

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