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 two volumes: over 900 individuals in the both the patent and the trademarks section (some individuals are in both). 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.

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Charmayne Ong

Charmayne Ong

Charmayne Ong is a partner and head of intellectual property at Skrine. She is registered as a patent agent, design agent and…

  • Partner, head of IP
  • Skrine
  • Malaysia

Claudia Milbradt

Claudia Milbradt

Claudia Milbradt is a partner at Clifford Chance and has worked there since 1999. She specialises her practice in patent litigation,…

  • Partner
  • Clifford Chance
  • Germany

Colin Ingram

Colin Ingram

Colin Ingram is a partner at Smart & Biggar/Fetherstonhaugh and practises in patent prosecution and litigation. He has represented…

  • Partner
  • Smart & Biggar/Fetherstonhaugh
  • Canada

Gunars Gaikis

Gunars Gaikis

Gunars Gaikis has more than 25 years’ experience in life sciences intellectual property litigation. He has particularly focused…

  • Partner
  • Smart & Biggar/Fetherstonhaugh
  • Canada

Inga-Lill Andersson

Inga-Lill Andersson

Inga-Lill Andersson is a senior European patent attorney who specialises in chemistry and biotechnology, focusing on protein chemistry,…

  • Partner
  • Awapatent
  • Sweden

Maksym Bocharov

Maksym Bocharov

Maksym Bocharov is head of the patent department at Gorodissky & Partners (Ukraine) and has been with the firm since 2005. His…

  • Deputy Director
  • Gorodissky & Partners (Ukraine)
  • Ukraine

Peter Indahl

Peter Indahl

Peter Indahl has been practising law since 1986 and a European patent attorney at Indahls. He has experience in all areas of intellectual…

  • Patent attorney
  • Indahls
  • Denmark

Vivien Chan

Vivien Chan

Vivien Chan is a senior partner of Vivien Chan & Co, and has more than 30 years of experience in M&A, information technology,…

  • Senior partner
  • Vivien Chan & Co
  • Hong Kong

Vladislav Ugryumov

Vladislav Ugryumov

Vladislav Ugryumov specialises his practice in patent litigation and prosecution and has extensive experience representing clients…

  • Partner
  • Gowling WLG
  • Russia

Alexey Vakhnin

Alexey Vakhnin works as managing director at Vakhnina & Partners. He has more than 15 years’ experience in intellectual property…

  • Managing Director
  • Vakhnina & Partners
  • Russia

Alfred Macchione

Alfred Macchione

Alfred Macchione is a Toronto equity partner in McCarthy Tétrault’s technology, communications and intellectual property group.…

  • Equity partner
  • McCarthy Tétrault
  • Canada

Alfred Meijboom

Alfred Meijboom is a partner at Kennedy Van der Laan and has experience in all areas of intellectual property. He graduated from…

  • Partner/founder
  • Kennedy Van der Laan
  • Netherlands

Alison Simpson

Alison Simpson joined Urquhart-Dykes & Lord in 1989 and is a qualified patent and trademark attorney. She advises her clients…

  • Partner
  • Urquhart-Dykes & Lord
  • UK

Alison Wong

Alison Wong

Alison Wong is a partner in Bird & Bird’s China IP group and heads the Asia Pacific life sciences and healthcare group. She…

  • Partner
  • Bird & Bird
  • Hong Kong

Alkisti-Irene Malamis

Alkisti-Irene Malamis is an attorney-at-law at Malamis & Associates. She has experience in trademark, patent and design prosecution…

  • Attorney at law
  • Malamis & Associates
  • Greece

Allen Tao

Allen Tao specialises in patent invalidation, litigation and dispute resolutions before administrative agencies and the courts,…

  • Managing Partner
  • Liu, Shen & Associates
  • China

Amund Grimstad

Amund Grimstad graduated with his law degree from the University of Oslo in 1975 and is a partner at Bull & Co. He was an associate…

  • Associate Partner
  • Bull & Co Advokatfirma
  • Norway

Ana Castedo

Ana Castedo

Ana Castedo is a partner in Hogan Lovells’ intellectual property, media and technology group at the Madrid office. Her practice…

  • Partner
  • Hogan Lovells
  • Spain

Ana Castro

Ana Castro

Ana María Castro has been a partner at Lloreda Camacho & Co since 2009 and is the head of the firm’s patent and life science…

  • Partner
  • Lloreda Camacho & Co
  • Colombia

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