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.
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
In T 873/24 (Board of Appeal 3.3.05, oral proceedings 3 February 2026), the Board indicated that it would refer questions to the Enlarged Board of Appeal (EBA) on whether (and how) the Enlarged Board’s claim-interpretation guidance in G 1/24 extends to the assessment of added subject-matter under Article 123(2) EPC (and, by implication, Article 76(1) […]Continue reading
In its decision in Wonderland v Cybex (UPC_CFI_807/2024 and UPC_CFI_334/2025, Local Division Düsseldorf, 27 May 2026), the Düsseldorf panel addressed — in detail — the assessment of patent infringement by equivalent means under Art. 69 EPC and the Protocol.Continue reading