As a patent attorney, Martin primarily focuses on the drafting of applications, arguing patentability, and litigation. He is an active AIPPI member, with activities mainly in the field of pharmaceutical products. His direct experience with research and chemistry, in combination with his understanding of patent law, ensures efficient communication with both inventors, specialists and lawyers. Martin’s work is characterized by a thorough insight into the working of an invention, an eye for detail, and swift understanding of technical relevance, as well as by a social attitude. A particular focus of Martin’s work as a patent attorney is on pharmaceutical products, food and nutraceuticals.

In his capacity as European Patent Litigator, Martin is allowed to act as UPC representative.

Working experience

• Patent Attorney, V.O. (2011-present)
• Senior scientist, Dutch Food and Consumer Product Safety Authority
• University of Groningen; University Council
• Grasp, Groningen PhD community; board position
• Research intern, Toshiba RDC, Shin-Kawasaki, Japan

Education

• PhD in Organic and Physical Chemistry, University of Groningen
• Japanese language and business culture, Japan Prizewinners Programme, University of Leiden and Japan-Netherlands Institute
• MSc in Organic Chemistry, University of Groningen

Directories

• “Recently, pharmaceutical litigation by patent attorneys such as Jetze Beeksma and Martin Klok for research-based industry has dominated more than in previous years. Both partners are stars in the Dutch patent scene” (JUVE Patent 2024).
• Featured as a patent attorney with technical specialty: pharma and biotechnology  (JUVE Patent 2024)
• The Netherlands Practitioner of the Year (Managing IP 2024)
• Recommended individual (JUVE Patent 2021, 2022, 2023, 2024)
• “Martin Klok was […] highly visible. He is active in several cases alongside Freshfields Bruckhaus Deringer for Novartis. But his greatest success was the PI case for Bristol-Myers Squibb against generics manufacturers over blood-clot drug apixaban, together with Hogan Lovells”(JUVE Patent 2023)
• Recognized as ‘Notable Practitioner’ (2020, 2021, 2022, 2023, 2024, 2025) by Managing IP
• “Rising star Martin Klok is ‘incredibly dedicated to understanding issues and distilling relevant information’.” (IP Stars Handbook MIP, 2017)
• Highlighted as ‘exceptional attorney’ by IP Stars Handbook MIP, 2016
• Martin Klok is complimented for his ability to “understand the real detail” of an application. “He is one of those guys who really can dig into the details and has a grasp of a huge volume of information, the sort of person you like to have at the table because when you have a question he’s on top of it. It’s clear he knows the file better than the attorneys on the other side do.” (IP Stars Handbook MIP, 2014)

Publications

• Co-author of Experimental Use and Bolar Exemptions, in the AIPPI Law series (ISBN 9789403518695), 2025.
• Martin Klok, Senne Plessers: Journal of Towa Instuitute of Intellectual Property, Vol 17, no 3, page 55: “G 1/23: why even “black box” product scan block your patent”.
• Martin Klok (partner, V.O. Patents & Trademarks), “User statistics on the European patent landscape”; Journal of Towa Institute of Intellectual Property, Vol. 17. No. 1, pg 50-51 (2025).
• AIPPI Law Series Vol. 5 – Antibody Patenting: A Practitioner’s Guide to Drafting, Prosecution and Enforcement (Jürgen Meier and Oswin Ridderbusch, ed), Chapter 5, “The Netherlands”. ISBN 978-94-035-1073-6 (2019).
• “Verification of the absence of additives on “free of additive” labeled food products”, (Dutch, 2011).
• “Verification of the absence of allergens in “free of allergen” labeled food products”, (Dutch, 2011).
• “Fatty acid composition of traditional and industrial bakery products”, (Dutch, 2010).
• “Ultrafast Light-Driven Nanomotors Based on an Acridane Stator”, J. Org. Chem. 2010, 75, 666–679. DOI: 10.1021/jo902207x.
• “Motors for use in molecular nanotechnology” (PhD-thesis, Groningen, 2009).
• “Motors for molecular nanotechnology” (Dutch), Dutch Physics Magazine 2009, 75 (10), 16.
• “Kinetic analysis of the rotation rate of light-driven unidirectional molecular motors”, Phys. Chem. Chem. Phys., 2009, 11, 9124-9131. DOI: 10.1039/B906611J.
• “The influence of viscosity on the functioning of molecular motors”, Faraday Discuss. 2009, 143, 319-334. DOI: 10.1039/B901841G.
• “Light-driven rotary molecular motors: an ultrafast optical study”, Phys. Stat. Sol. (C) 2009, 6 (1), 181–184. DOI: 10.1002/pssc.200879808.
• “New Mechanistic Insight in the Thermal Helix Inversion of Second-Generation Molecular Motors”, Chem. Eur. J. 2008, 14, 11183-11193. DOI: 10.1002/chem.200800969.
• “MHz Unidirectional Rotation of Molecular Rotary Motors”, J. Am. Chem. Soc. 2008, 130, 10484 – 10484. DOI: 10.1021/ja8037245. Highlighted in Nature Chem., 2008, DOI: 10.1038/nchem.45.
• “Rate Acceleration of Light-Driven Rotary Molecular Motors”, Adv. Funct. Mater. 2007, 17, 718–729. DOI: 10.1002/adfm.200601025.

Professional & Community Activities

• Member of the IP Valuation Taskforce for ECTA.
• AIPPI, Vice Chair of the standing committee on Pharma. In 2024, this committee was awarded the AIPPI Team Excellence Award.

Languages

• English
• Dutch
• German
• French