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Bernard Ledeboer

Bernard Ledeboer

  • European and Dutch Patent Attorney
  • Registered European Patent Litigator
“Simple ideas are often the best inventions, but are the most difficult to protect. I enjoy the challenge of safeguarding those inventions.”
Frits Michiels

Frits Michiels

  • European and Dutch Patent Attorney
  • Valuation specialist
“To explore, together with a client, how the best IP protection can be obtained is for me the logical next step after an invention has been made.”
Marlon Blood

Marlon Blood

  • European Patent Attorney
“Different parts of patent law seem to a certain extent to conflict. I enjoy exploring the fault lines that such conflicts create. I am mindful of such fault lines when obtaining patents for my clients and strive to exploit them when defending my clients.”
Marco Box

Marco Box

  • European, Dutch and Belgian Patent Attorney, European Patent Litigator
“Nothing is what is seems if you look close enough.”
Otto Oudshoorn

Otto Oudshoorn

  • European and Dutch Patent Attorney, European Patent Litigator
“It is very rewarding to capture an invention in the proper words.”
Matthijs Roelofs

Matthijs Roelofs

  • European and Dutch Patent Attorney
“A patent attorney converts practice, the invention, into theory, the patent. The patent then offers possibilities for all kinds of practical applications.”
Marco Molling

Marco Molling

  • European, Dutch and Belgian Patent Attorney, European Patent Litigator
“IP rights are means, not an end.”
Sara Calitz

Sara Calitz

  • European Patent Attorney
“An adequate patent protection can help safeguard your invention and catalyse your business success.”
Noëlle Wolfs

Noëlle Wolfs

  • European and Benelux Trademark and Design Attorney
“What particularly inspires me in this field is to combine my skills with the clients' needs and to see my clients' companies benefit from their intellectual property strategy.”
Joris Goetze

Joris Goetze

  • European and Dutch Patent Attorney
“Patents are the catalyst for innovative businesses of all sizes”

News

Düsseldorf Local Division adopts The Hague’s four-step test for infringement by equivalence and applies a structured “feature-by-feature function” analysis 

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.

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TU Delft Impact Contest 2026

On Thursday 4 June, the exciting finale of the TU Delft Impact Contest took place, an event that V.O. sponsors every year. The firm serves as a judge in the 'Ideation' category. In addition, Henri van Kalkeren presented the V.O. Patents & Trademarks Award to Biodetect Diapers.

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Why every engineer should know something about patents

A flood of new patents is setting Europe in motion. The European Patent Office (EPO) recently reported a record number of patent applications last year: 201,974. This increase is no coincidence, but the direct result of the rise of technologies such as quantum computing and AI. In a rapidly changing world, attention to intellectual property is an absolute necessity.

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