Dr. Wim Maas

Featured award

Legal500 2025

Intellectual Property: Patents - Leading Partner

Wim is a seasoned trial attorney with more than two decades experience representing clients in court. He heads our firm’s litigation department. Wim’s practice is centered on high-stakes, international patent and trade secret litigation, especially in the Life Sciences and SEP/FRAND space. Wim represents international pharma and (bio)tech companies before the Unified Patent Court and regularly coordinates international patent assertion campaigns and defense strategies in Europe, Africa and Asia.

Clients describe Wim as highly skilled, commercially minded, and a stand-out partner for complex tech litigation in Europe.

Wim holds a professorship in International Patent Litigation at the Católica Global School of Law in Lisbon, and has authored several books and articles on patent enforcement and the UPC.

Patent Map

An online interactive tool providing guidance when planning your litigation strategy across Europe and in the Unified Patent Court.

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CV

Since 2015 Partner, Taylor Wessing

2010 - 2015 Partner, Deterink Attorneys and Notaries

2008 - 2010 Senior Associate, Banning N.V

Career

Since 2015 Partner, Taylor Wessing

2010 - 2015 Partner, Deterink Attorneys and Notaries

2008 - 2010 Senior Associate, Banning N.V

Education

2021 PhD, VU University, Amsterdam

2003 Business Law cum laude, Radboud University Nijmegen

2001 Dutch Law, Tilburg University

Publications

Chapter on Patent Litigation in The Netherlands, The Patent Litigation Law review, edition 1, 2 and 3
The Netherlands Chapter, The Intellectual Property Review, edition 8
The Enforcement Directive: Enforcement of IP in The Netherlands, Boom, The Hague, 2013

Memberships & Associations

Dutch Association of Intellectual Property Litigation Lawyers (VIEPA)

Additional languages

Awards

Legal500 2025

Featured

Chambers 2025

Juve

IAM Patent 1000

Experience

Global patent dispute in the medical device space

For US stock listed medical devise multinational we serve as the to-go-to team for global patent disputes before the European courts, including the Unified Patent Court.

Dr. Wim Maas

Patent assertion campaigns in the field of telecoms

We have acted for a stock-listed manufacturer of telecom infrastructure and owner of a valuable standard essential patent portfolio against the world’s largest handset manufacturers in global licensing disputes

Dr. Wim Maas

Company obtains first cyber injunction under the protection of anonymity

We acted for a UK listed company on the theft of data and subsequent ransom of the company. We obtained an injunction against the hackers (PML v Persons Unknown) for the client, which was the first-time judgment had been obtained for a listed company against hackers in which anonymity was granted to the company in relation to the interim injunction and then on a permanent basis. The team co-ordinated the entire incident response, including instructing forensic IT and working heavily with UK cybercrime police.

Press release

Dr. Wim Maas

Margot van Gerwen

Provision of pan-European pharma and patent advice

A leading international healthcare company on provision of European-wide advice across a variety of legal areas including pharmaceutical law and patents.

Dr. Wim Maas

Dr. Wolfgang Rehmann