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Henri van Kalkeren

Henri van Kalkeren

  • European and Dutch Patent Attorney, European Patent Litigator
“The prospering of technical innovation goes beyond the conception of a great idea.”
Kristel Van den Broeck

Kristel Van den Broeck

  • European Patent Attorney
“A creative interaction with the client and mutual understanding lead to the most valuable IP creations.”
Bart Jan Niestadt

Bart Jan Niestadt

  • European, Dutch and Belgian Patent Attorney, European Patent Litigator
“The critical factors for a successful IP policy are different for each business. Knowing these factors is key.”
Martin Klok

Martin Klok

  • European and Dutch Patent Attorney, European Patent Litigator
  • Valuation specialist
“IP is the link between advanced knowledge and financial result.”
Raimondo Cau

Raimondo Cau

  • European and Dutch Patent Attorney
“IP belongs to a company’s most powerful assets, profitable in all economic conditions.”
Lydia Schenk

Lydia Schenk

  • Dutch Patent Attorney
“A good patent description can act as a catalyst for innovation.”
Gijs de Iongh

Gijs de Iongh

  • European and Dutch Patent Attorney, European Patent Litigator
“The best inventions are often obvious, in retrospect.”
Herman Witmans

Herman Witmans

  • European and Dutch Patent Attorney, European Patent Litigator
“A broad perspective and creativity as well as a keen eye for detail are needed for obtaining the best IP-protection.”
Dirk de Jong

Dirk de Jong

  • European and Dutch Patent Attorney
“Discovering the potential of your invention.”
Sjoerd Postma

Sjoerd Postma

  • European and Dutch Patent Attorney, European Patent Litigator
“Having ideas worthy of protection is not restricted to big companies or geniuses like Einstein. Anyone can be an inventor!”

News

Registered as patent attorney

On 11 June, Lydia Schenk was registered as a Dutch patent attorney. Lydia, who graduated in engineering in 2020 (Delft University of Technology), has been working in the Utrecht office of V.O., for the Engineering section.

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Recognized as Patent Stars

Recently, Managing IP announced which patent specialists may call themselves a Patent Star in 2025.

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Praised by IP STARS for trademark services

V.O. is proud of the obtained Tier 3 ranking ‘Trademark prosecution - patent & trademark attorney firms (2025)’.

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