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Leo Jessen

Patent attorney

‘Creative thinking is the key to all innovation.’
Leo Jessen

Leo Jessen

  • Engineering
  • European Patent Attorney
  • Dutch Patent Attorney
  • Partner

Leo Jessen started his career as a patent attorney in 1992 with V.O. He studied Industrial Design Engineering and after passing his attorneys exams Leo studied law.

Leo’s clients are mainly in the field of mechanical engineering. His specialisms are consumer products, medical appliances and ergonomics.

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Together with his clients Leo defines their IP strategy and where appropriate files, prosecutes and defends their IP rights worldwide. This also includes challenging third party rights, licensing and FTO studies.  Leo has a wide experience in patent cases before the court in The Hague and before the EPO.

Leo is actively involved in the training of new patent attorneys in Dutch, European and international patent practice. Furthermore he is an active member (chair) of the IP enforcement and Litigation group of FICPI, the International Federation of Intellectual Property Attorneys.

Working experience

  • Patent Attorney, V.O. (1992-present)
  • Freelance consultant in Ergonomics and product design (1989-1992)
  • Ergonomics Department, Volvo Cars (1989)

Education

  • MSc in Industrial Design Engineering, Delft University of Technology (1989)

Directories

  • Peers praise Leo Jessen as “a really excellent, strong attorney who’s been around for many years”. Jessen prosecutes applications for a wide segment of devotees, who depend on his aptitude in filing, oppositions and appeals to keep their stress levels low throughout the patent lifecycle (IAM Patent 1000, 2018).
  • Heineken is one of the big names that engage Leo Jessen for his drafting and prosecution talents (IAM Patent 1000, 2017).
  • A key reference for companies in the consumer products sector, Leo Jessen has recently been advising Heineken on the expansion of its patent portfolio (IAM Patent 1000, 2016).
  • Leo Jessen is one of a rare breed, having spent his entire career at a single firm. With V.O. since 1992, the quick-witted strategist advises mechanical engineering clients on how to procure, defend and monetise IP rights (IAM Patent 1000, 2015).
  • Recognized as IP Star (2015, 2014, 2017, 2018) by Managing Intellectual Property.
  • Leo Jessen can address the myriad of concerns which arise in the mechanical engineering space (IAM Patent 1000, 2014).
  • “Excellent communicator” Leo Jessen and Bernard Ledeboer are the top mechanical engineering specialists there (IAM Patent 1000, 2013).
  • Leo Jessen is renowned for his creative approach, especially in relation to mechanical patents. Mechanical engineering is his field and he has profound knowledge of consumer products, ergonomics and medical appliances (IAM Patent 1000, 2012).

Professional & Community Activities

  • FICPI: Secretary of the Netherlands section and member of CET Group 7, IP Enforcement and Alternate Dispute Resolution
  • AIPPI
  • AIPLA

Languages

  • English
  • Dutch
  • German
  • French

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News

Food fight: ‘BIG MAC’ EU trademark (provisionally) revoked

The European Intellectual Property Office (EUIPO) recently revoked the ‘BIG MAC’ EU trademark of fast-food chain, McDonald’s. According to the EUIPO, the name of the hamburger that is known across the world was not sufficiently demonstrated to be used in the European Union. At first glance, it appears an unusual decision.Continue reading

Column – Intellectual property in the interest of patients

Deploying artificial intelligence to identify the risks of heart conditions even earlier. Using nano-techniques, medicines can be administered exactly where they are needed, while the patient is still lying in the ambulance.Continue reading

V.O Promotions

Annemie Jaeken (Leuven office) and Huub Maas (Utrecht office) have been appointed as partners, and Marlon Blood (Munich office), Martin Klok (The Hague office) and Rutger Timmer (Eindhoven office) are now Senior Associates.Continue reading

Events

2019 AIPPI World Congress – London

Queen Elizabeth II Centre, Broad Sanctuary, Londen, Verenigd Koninkrijk

Annual World Congress of the AIPPI (Association Internationale pour la Protection de la Propriété Intellectuelle). Continue reading

European Patent Seminar

Hotel Excelsior München, Schützenstraße, Munich, Germany

Know the latest ins-and-outs concerning examination, opposition and appeal proceedings before the EPO. Be updated on the unitary patent and the unified patent court. Anyone wishing to increase his or her working knowledge of procedures for European patents, German utility models or designs as for instance strategic complements or alternatives to patents, should register now for the fourth edition of V.O.’s IP seminar in Munich! Continue reading

Product case game: Heineken THE SUB

V.O. Patents & Trademarks, Winthontlaan 6/G, Utrecht, Netherlands

Exclusively for for all students who have participated in the TU/e Contest, WUR Challenge, TU Delft Contest and UT Challenge we organize a special product case game. Make a deep dive into the innovative world of home draught beer with Heineken’s THE SUB. Via this game you will gain insight into the role of Intellectual Property during the development of this stunning device. Win the game and THE SUB is yours! Continue reading