Spring direct naar de hoofdnavigatie of de inhoud

Otto Oudshoorn

Patent attorney

“It is very rewarding to capture an invention in the proper words.”
Home / Experts / Otto Oudshoorn

Otto Oudshoorn

  • Chemistry
  • European Patent Attorney
  • Dutch Patent Attorney
  • Partner

Otto Oudshoorn joined V.O. in 1998. He studied chemical engineering and obtained his PhD in the field of catalysis. Otto’s expertise is in the field of chemical patents, with an emphasis on process and food technology.

More information about Otto

His practice further includes the handling of supplementary protection certificates (SPCs) and restoration requests.

He has extensive experience in oral (opposition) proceedings and litigation before the Dutch patent court.Otto’s portfolio contains the full spectrum of innovative clients, ranging from startup businesses to multinationals, from universities to research institutions

Otto is editor in chief of the newsletter IP Leads and member of the board of directors of V.O. He is head of the Section Chemistry & Life Sciences.

Working experience

  • Patent Attorney, V.O. (1998-present)


  • PhD in Chemistry, Delft University of Technology (1998)
    MSc in Chemical technology and materials science, Delft University of Technology (1993)


  • Otto Oudshoorn, working alongside Bernard Ledeboer on the China Desk, is a chemical engineering champ for whom SPCs are a specialist subject (IAM Patent 1000, 2017).
  • Otto Oudshoorn is a high-flying chemist. He is pragmatic and keen, and his advice is always clear and easy to read (IAM Patent 1000, 2016).
  • Chemical maven Otto Oudshoorn also has extensive experience in oppositions and litigations; at any given time, he has a sizeable docket of supplementary protection certificate cases on the go. He is also the man behind the success of a dedicated China desk (IAM Patent 1000, 2015).


  • G.B.F. Seijger, O.L. Oudshoorn, A. Boekhorst, H. van Bekkum, C.M. van den Bleek, H.P.A. Calis, Chem. Eng. Sci., 56 (2001) 849.
  • Z. Shan, W.E.J. van Kooten, O.L. Oudshoorn, J.C. Jansen, H. van Bekkum, C.M. van den Bleek, H.P.A. Calis, Microporous Mesoporous Mater., 34 (2000) 81
  • G.B.F. Seijger, O.L. Oudshoorn, W.E.J. van Kooten, J.C. Jansen, H. van Bekkum, C.M. van den Bleek, H.P.A. Calis, Microporous Mesoporous Mater., 39 (2000) 195.
  • O. L. Oudshoorn, M. Janissen, W. E. J. van Kooten, J. C. Jansen, H. van Bekkum, C. M. van den Bleek, H. P. A. Calis, Chem. Eng. J. 54 (1999) 1413.
  • O.L. Oudshoorn, Zeolitic Coatings applied in Structured Catalyst Packings, Ph.D. Thesis, Delft University of Technology, 1998.
  • Calis, Hans Peter; Oudshoorn, Otto L.; Gerritsen, Albert W.; Jansen, Koos J. C.; van den Bleek, Cor M.; van Bekkum, Herman; Anwendung von Zeolithen bei der selektiven katalytischen Reduktion von NOx in Industrieabgasen; Chemie Ingenieur Technik – CIT 67 (1995), S. 777-780


  • English
  • Dutch
  • German

Also see these experts

Annemiek Tepper

  • European Patent Attorney
  • Dutch Patent Attorney
  • Senior Associate

Michiel Dokter

  • European Patent Attorney
  • Dutch Patent Attorney
  • Associate
More experts


Benelux Firm of the Year Award for V.O.

We did it again! During the annual Managing IP’s EMEA  Awards Dinner of 8 March, the Benelux Firm of the Year Award was presented to V.O.Continue reading

Patents are the most important indicator of a company’s powers of innovation

In 2016, the European Patent Office (EPO) granted a record number of patents. The USA submitted the most applications by far (40,076). Germany is placed second (25,086), while the Netherlands and Belgium occupy seventh (6,889) and twelfth (2,186) place respectively. But what does a patent say about a company’s powers of innovation?Continue reading

Finding a breakthrough against antibiotic resistance

It was less than a year ago when, brimming with enthusiasm, he opted for the uncertainty of a start-up. Chemist Andreas A. Bastian started his business AGILeBiotics on the Zernike campus of the University of Groningen. His aim is to achieve a breakthrough in the fight against antibiotic resistance: ‘We have since developed a technology […]Continue reading


Global ManuChem Strategies 2018

Maritim proArte Hotel Berlin, Friedrichstraße

The calendar event for all chemical manufacturers in Europe After a great event in 2017, the 7th annual Global ManuChem 2018 is coming back as the leading event for manufacturers in the chemical industry. It brings together over 150 production, SCM & engineering leaders who are responsible for process optimization, lean manufacturing and business strategy in their companies. More about this event

IPBC Europe 2018: Harnessing IP value in European companies

Hotel Okura Amsterdam, Ferdinand Bolstraat, Amsterdam, Netherlands

European companies are under greater pressure than ever before to maximise the value of the intellectual property they own. This is happening at a time when Brexit and the creation of the Unified Patent Court regime promise some of the most far-reaching changes to the continent’s IP system for many years. More about this event

Seminar “Innovation box”: the fiscal significance of patents

Engels Conference & Meeting Center, Stationsplein 45, 3013 AK Rotterdam, Netherlands

The "innovationbox" (innovatiebox) is an important fiscal instrument for stimulating innovative business activities. It leads to a lower corporate tax on innovation profits. Since the rules for using the innovation box have changed considerably since 1 January 2017, a prominent role is reserved for patents. More about this event