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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Ana Celidonio

Ana Celidonio

Ana Celidonio’s specialism includes patents, business secrets, biotechnology, designs and plant varieties. She graduated with…

  • Partner
  • Lobo de Rizzo
  • Brazil

Annsley Merelle Ward

Annsley Merelle Ward

Annsley Merelle Ward is counsel at WilmerHale specialising in complex cross-border patent and trade secrets litigation. With a…

  • Counsel
  • WilmerHale
  • United Kingdom

Ben Natter

Ben Natter

Ben Natter is a partner at Haug Partners, based in the firm’s New York office. He focuses his practice on all aspects of global…

  • Partner
  • Haug Partners
  • United States

Camilla Vislie

Camilla Vislie

Camilla Vislie is a partner at Thommessen and heads the firm’s intellectual property and technology practice. She focuses on…

  • Partner
  • Thommessen
  • Norway

Charmayne Ong

Charmayne Ong is a partner and head of IP at Skrine. She is registered as a patent agent, design agent and trademark agent in…

  • Partner, head of IP
  • Skrine
  • Malaysia

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

Claudia Milbradt

Claudia Milbradt

Claudia Milbradt heads the German IP practice of Clifford Chance, specializing in patent and trade mark litigation and strategic…

  • Partner
  • Clifford Chance
  • Germany

Eldora Ellison

Eldora Ellison

Eldora Ellison is a director at Sterne Kessler Goldstein & Fox in the biotechnology and chemical and trial and appellate practice…

  • Director
  • Sterne Kessler Goldstein & Fox

Gunars Gaikis

Gunars Gaikis

Gunars Gaikis is a pre-eminent and pioneering leader in life sciences IP. He has particularly focused on patent, regulatory and…

  • Partner
  • Smart & Biggar
  • Canada

Heidi Lindner

Heidi Lindner

Heidi Lindner is a founding partner and head of the patent litigation department at Arochi & Lindner. She has experience in patent…

  • Founding Partner
  • Arochi & Lindner
  • Mexico

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,…

  • Business area manager, north Sweden
  • AWA Sweden
  • Sweden

Kfir Luzzatto

Kfir Luzzatto

Kfir Luzzatto was born in Italy and moved to Israel in 1971. He is the president at Luzzatto & Luzzatto and has experience in…

  • President of The Luzzatto Group
  • Luzzatto & Luzzatto of The Luzzatto Group
  • Israel

Kherk Ying Chew

Kherk Ying Chew

Kherk Ying Chew is a registered trademark, patent and design agent in Malaysia, and heads the intellectual property and dispute…

  • Partner
  • Wong & Partners
  • Malaysia

Kristin Stammer

A partner at Herbert Smith Freehills in Sydney, Kristin Stammer specialises in commercial transactions including acquisitions,…

  • Partner
  • Herbert Smith Freehills
  • Australia

Lorraine Tay

Lorraine Tay

Lorraine Tay is joint managing partner at Bird & Bird Singapore and heads the firm’s IP and technology group in Singapore. Tay…

  • Partner
  • Bird & Bird ATMD
  • Singapore

Mahua Roy Chowdhury

Mahua Roy Chowdhury

Mahua Roy Chowdhury has almost 25 years of experience as a lawyer specialising in intellectual property. She is a founding and…

  • Principal partner
  • Royzz & Co
  • India

Maksym Bocharov

Maksym Bocharov

Maksym Bocharov is deputy director at Gorodissky & Partners Ukraine and has been with the firm since 2005. His practice is focused…

MaryAnne Armstrong

MaryAnne Armstrong

MaryAnne Armstrong is a partner at Birch, Stewart, Kolasch & Birch, and focuses her practice on prosecuting patent applications…

  • Partner
  • Birch, Stewart, Kolasch & Birch

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

Natalia Gulyaeva

Natalia Gulyaeva

Natalia Gulyaeva joined Hogan Lovells in 2000 and since 2004 has headed the firm’s intellectual property, media and technology…

  • Partner
  • Hogan Lovells
  • Russia

Nicola Dagg

Nicola Dagg

Nicola Dagg leads Kirkland & Ellis' intellectual property litigation practice in London. She has experience in the enforcement…

  • Partner
  • Kirkland & Ellis
  • UK

Peggy Wu

Peggy Wu

Specialising in domestic and international intellectual property matters, Peggy Wu is the executive manager and a member of the…

  • Executive manager
  • Top Team International Patent & Trademark Office
  • Taiwan

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

Sara Holder

Sara Holder co-heads Rouse’s global patent and technology practice. She has degrees in law and biochemistry, and qualified and…

  • Managing partner, MEA
  • Rouse
  • UAE

Say Sujintaya

Say Sujintaya

Say Sujintaya is a partner at Baker McKenzie Bangkok where she co-heads the recently merged IPTech team and leads the Media &…

  • Partner
  • Baker McKenzie
  • Thailand

Sophie Rich

Sophie Rich

Sophie Rich is a leading patent litigator in the UK. With clients including Sanofi, AbbVie, Daiichi Sankyo, CSL and Roche, she…

  • Partner
  • Herbert Smith Freehills
  • UK

Sue Gilchrist

Sue Gilchrist

Sue Gilchrist is Herbert Smith Freehills’ regional managing partner in Asia and Australia. She has extensive experience in trademark,…

  • Head of IP
  • Herbert Smith Freehills
  • Australia

Uche Nwokocha

Uche Nwokocha is a partner at Aluko & Oyebode. She has been at the firm since 2006 and worked as a partner since 2008. She has…

  • Partner
  • Aluko & Oyebode
  • Nigeria

Vivien Chan

Vivien Chan

Vivien Chan is the founding and managing partner of Vivien Chan & Co, a Greater China law firm in Hong Kong and Beijing. She has…

  • Founding and managing 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

Ai Ming Lee

Ai Ming Lee is a consultant at Singapore-based Rodyk & Davidson and works in the firm’s intellectual property and technology…

  • Consultant
  • Rodyk & Davidson
  • Singapore

Alan Adcock

Alan Adcock is a partner in Tilleke & Gibbins’ intellectual property and regulatory affairs groups. His practice focuses on…

  • Partner
  • Tilleke & Gibbins
  • Thailand

Alasdair Poore

Alasdair Poore is a partner at Mills & Reeve in the firm’s technology and commerce team. He has experience in patents, brand…

  • Partner
  • Mills & Reeve
  • UK

Albrecht von Menges

Albrecht von Menges

Albrecht von Menges has 15 years’ experience working in intellectual property. He is head of the biotechnology department of…

  • Patent attorney
  • Uexküll & Stolberg
  • Germany

Aleksandra Auleytner

Aleksandra Auleytner is a partner at Domanski Zakrzewski Palinka and has experience in all areas of intellectual property. She…

  • Partner
  • Domanski Zakrzewski Palinka
  • Poland

Alex Ferdinand S Fider

Alex Ferdinand S Fider has represented clients in the fashion, food, cosmetics, pharmaceutical, electrical appliance, motorcycles,…

  • Senior partner
  • Angara Abello Concepcion Regala & Cruz Law Offices (ACCRALAW)
  • Philippines

Alex Wilson

Alex Wilson

Alex Wilson is a partner at Powell Gilbert and advises clients on international IP enforcement and defensive strategies, appearing…

  • Partner
  • Powell Gilbert
  • UK

Alexander Baranchikov

Alexander Baranchikov

Alexander Baranchikov is an IP attorney at Baranchikov IP & IT Attorneys, having previously been lead lawyer and head of development…

  • IP Attorney
  • Baranchikov IP & IT Attorneys
  • Russia

Alexey Vakhnin

Alexey Vakhnin works as managing director at Vakhnina & Partners. He has more than 15 years’ experience in IP and is also a…

  • Managing director
  • Vakhnina & Partners
  • Russia

Alfred Macchione

Alfred Macchione

Alfred Macchione is a Toronto partner in McCarthy Tétrault’s technology, communications and IP group, dealing with all aspects…

  • Equity partner
  • McCarthy Tétrault
  • Canada

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