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Michiel van Rooij

Michiel van Rooij

  • Engineering
  • European and Dutch Patent Attorney, European Patent Litigator
  • Partner

Michiel van Rooij joined V.O. in 1999 after he had studied semiconductor nanotechnology at the department of Applied Physics at Delft University of Technology.

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He gained wide experience in drafting and defending patent applications in fields ranging from applied physics, food processing and mechanical engineering to information technology. Michiel has successfully defended his clients’ rights in numerous patent litigation and opposition proceedings.

Michiel’s efficient, expeditious way of working has been commended by his clients, ranging from small businesses to multinationals.

Between 2013 and 2021, Michiel was a board member and treasurer of the Netherlands Institute of Patent Attorneys (Orde van Octrooigemachtigden).

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

Working experience

  • Patent Attorney, V.O. (1999-present)

Education

  • MSc in Physics, Delft University of Technology (1999), Major in semiconductor nanophysics

Languages

  • English
  • Dutch

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News

T 1186/24: claim wording determines the scope of sufficiency analysis

Claim interpretation can determine whether the invention is sufficiently disclosed In T 1186/24, Technical Board of Appeal 3.3.08, 18 June 2026, the European Patent Office (EPO) considered how the wording of a claim affects the assessment of sufficiency of disclosure. The Board held that an expressly claimed alternative could not be read out of the […]Continue reading

The license of right for the unitary patent: smart cost saving or strategic limitation?

With the introduction of the European patent with unitary effect (unitary patent or UP), patent holders now have access to new strategic tools. One of these is the license of right (LoR). What does such a declaration entail, and what advantages and disadvantages can it have for the protection of your intellectual property?Continue reading

UPC jurisdiction over UK designations and conditional infringement relief in Fujifilm v Kodak

In the case of Kodak vs. Fujifilm concerning EP 3 511 174 on 2 June 2026 before the Court of Appeal of the Unified Patent, the Court of Appeal addressed the UPC’s jurisdiction over the UK designation of a European patent. The decision is important because it applies the CJEU’s reasoning in BSH v Electrolux […]Continue reading

Events

FICPI 23rd Open Forum

Budapest, Corinthia Budapest, Erzsébet körút, Hungary

The FICPI 23rd Open Forum provides excellent opportunities to build strong relationships by connecting groups of people who share common goals, concerns and a commitment to quality, as well as opportunities to gather insights from the international IP attorney community on IP practice-related issues or topics of IP law and hear from top-quality speakers.

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Med-Tech Innovation & Licensing Day

High Tech Campus Eindhoven, High Tech Campus, Eindhoven

Collaborating to Commercialize Healthcare Innovation: From Research to Patient Impact

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