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

Christine Kanz

Christine Kanz

Christine Kanz has worked as an attorney since 1998. Although she has primarily focused on international patent litigation in…

  • Partner
  • Hoyng Rokh Monegier
  • Germany

Christoffer Sundman

Christoffer Sundman is a partner at Seppo Laine, where he drafts and prosecutes patent and utility model applications. He has…

  • Partner
  • Seppo Laine
  • Finland

Christoph de Coster

Christoph de Coster has been a partner at Taylor Wessing since 2004 and has experience in all areas of intellectual property law.…

  • Partner
  • Taylor Wessing
  • Germany

Christoph Gasser

Christoph Gasser

Christoph Gasser has experience in all areas of intellectual property, unfair competition law and technology law. He has more…

  • Partner
  • BianchiSchwald
  • Switzerland

Christopher Bolen

Christopher Bolen has more than 25 years of experience in intellectual property matters and is the co-chair of Womble Carlyle’s…

  • Co-chair of IP
  • Womble Carlyle Sandridge & Rice
  • United States

Clara-Ann Gordon

Clara-Ann Gordon

Clara-Ann Gordon is specialised in the areas of TMT/outsourcing, data privacy, internal investigations/e-discovery and compliance,…

  • Partner
  • Niederer Kraft Frey
  • Switzerland

Colin Sainsbury

Colin Sainsbury is a partner at ByrneWallace and has been recognised as a leading expert in the life sciences, technology, and…

  • Partner
  • ByrneWallace
  • Ireland

Constanze Ulmer-Eilfort

Constanze Ulmer-Eilfort

Constanze Ulmer-Eilfort is a partner at Baker McKenzie and formerly the managing partner of the firm’s German and Austria offices.…

  • Partner
  • Baker McKenzie
  • Germany

Coral Toh

Coral Toh was a director at Ella Cheong Hong Kong and Beijing since 2005 and the managing director since 2008. In November 2016,…

  • Principal
  • Spruson & Ferguson
  • China

Dag Sandart

Dag Sandart has worked at Sandart & Partners since 1986 and has experience in patent, trademark, marketing, life sciences and…

  • Partner
  • Sandart & Partners
  • Sweden

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