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

Izabella Dudek-Urbanowicz

Izabella Dudek-Urbanowicz focuses her practice on trademarks, industrial designs and domain names, and represents Polish and international…

  • Managing director
  • Patpol
  • Poland

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

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 Marzorati Legales
  • Argentina

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

Remco Van Leeuwen

Remco Van Leeuwen works as a partner at Leeway and focuses his practice on the protection, exploitation and enforcement of intellectual…

  • Partner
  • Leeway
  • Netherlands

Rodrigo Velasco Santelices

Rodrigo Velasco Santelices

Rodrigo Velasco Santelices is a partner at Alessandri Abogados and focuses his practice on trademarks litigation and prosecution,…

  • IP partner
  • Alessandri Abogados
  • Chile

Ron Wheeldon

Ron Wheeldon is the founder of Ron Wheeldon Attorneys and has more than 25 years’ experience as an intellectual property lawyer.…

  • Founder
  • Ron Wheeldon Attorneys
  • South Africa

Sophie Havard Duclos

Establishing solid experience for herself in the internet and data protection sectors, Sophie Havard Duclos is a specialist in…

  • Partner
  • Laude Esquier Champey
  • France

Tatyana Vakhnina

Tatyana Vakhnina

Tatyana Vakhnina has more than 35 years of experience in the field of IP. She consults foreign and Russian clients in all matters…

  • Senior partner
  • Vakhnina & Partners
  • Russia

Trine Greaker Herzog

Trine Greaker Herzog

Trine Greaker Herzog’s practice focuses on unfair competition, marketing law, anti-counterfeiting and customs work, as well…

  • Senior partner
  • Bryn Aarflot
  • Norway

Ugur Aktekin

Ugur Aktekin

U?ur Aktekin joined the firm in 1999 and has been a partner since 2003. He is co-chair of the firm’s IP practice and the technology,…

  • Partner
  • Gün + Partners
  • Turkey

Virginie Ulmann

Virginie Ulmann

Virginie Ulmann heads the intellectual property group of Baker McKenzie in Paris. She has a wide range of experience in both non-contentious…

  • Partner
  • Baker McKenzie
  • France

Vojtech Chloupek

Vojtech Chloupek

Vojtech Chloupek is a partner at Bird & Bird, and is also the head of the firm’s intellectual property group in the Czech Republic…

  • Partner
  • Bird & Bird
  • Czech Republic

William Barber

William Barber

Bill Barber is a member at Pirkey Barber and specialises in trademark law, focusing on litigation in federal courts across the…

  • Member
  • Pirkey Barber
  • United States

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