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‘Nowadays, patenting has become the essential ingredient, since creative entrepreneurship and innovative technology do not suffice anymore to generate long-lasting profitable business in the highly competitive information society of today.’
Karel de Jong

Karel de Jong

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

Prior to joining V.O. in 2002 as a patent attorney, Karel de Jong had first been a scientist for five years, and an entrepreneur for another ten years. As an entrepreneur, Karel gained experience in commercialising patented technology. Karel is a mechanical engineer. He obtained his Master’s degree in 1987 and a PhD degree in 1991.

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Today, as patent attorney at V.O., Karel is involved in various fields of technology, such as building and construction, machinery, vehicles, energy production, shipbuilding, offshore, rapid prototyping, medical devices, packaging, food processing, domestic devices and appliances.

Karel works for a variety of clients, ranging from small and medium sized enterprises, to large companies, universities and research institutes. Whether it involves patenting trajectories all over the world, defending his clients against alleged patent infringement, or assisting his clients in other ways, Karel always aims at delivering quality. Not as a theorist, but with a practical focus on his client’s interests.

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

Working experience

  • Patent Attorney, V.O. (2002-present)
  • Managing director/owner at GPT B.V. (1992-2002)
  • Scientist at Technology Consultancy Center (1987-1992)

Education

  • PhD in Mathematics and Natural Sciences, University of Groningen (1991)
  • MSc in Technical Mechanics/Applied Mathematics, University of Groningen (1987)

Professional & Community Activities

  • Member of the Training & Examination Committee, Dutch Platform of Formalities Officers (2012-present)

Languages

  • English
  • Dutch

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News

UPC_CoA_622/2025: One word can have two different meanings within the same claim

The Unified Patent Court (UPC) Court of Appeal has confirmed and applied its earlier guidance that claim features must be interpreted in the light of the claim as a whole. In UPC_CoA_622/2025, Hefei Xinhu Canned Motor Pump v Grundfos Holding, the Court also clarified that identical terms within a claim do not necessarily have to […]Continue reading

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

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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