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

Leo Jessen

  • Engineering
  • European and 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

  • Recommended individual (JUVE Patent 2020, 2021).
  • “Leo Jessen is the man to call for no-stone-unturned freedom-to-operate analyses and futureproofed protection strategies. A hugely experienced patent attorney, he plays a valuable mentoring role and is respected in the wider market as an excellent educator” (IAM Patent 1000, 2021).
  • Recognized as Patent Star (2015, 2014, 2017, 2018, 2019, 2020, 2021) by Managing Intellectual Property.
  • Recommended Individual (IAM Patent 1000, 2020).
  • “Always performs excellently in the courtroom” (JUVE Patent 2020).
  • “Gifted in both prosecution and litigation”, Leo Jessen is “extremely good at building a case” (IAM Patent 1000, 2019).
  • “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).
  • “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

Money Losing Party Court

Tax advantage for innovation in Belgium

Belgium has a few separate tax schemes that apply to acquired IP rights. For instance, the innovation allowance for innovation income. This means that 85% of the net income ensuing from IP rights is exempt from corporate income tax.Continue reading

Three times prize at MIP

During the Managing IP Award Ceremony that took place in London on 15 June, V.O. was presented with no less than three awards.Continue reading

Recommended in Financial Times

We are proud to announce that also for 2022 V.O. is recommended as a leading European patent firm in Financial Times.Continue reading

Events

Unitary Patent Package Conference 2022

Van der Valk Hotel Amsterdam - Amstel, Joan Muyskenweg, Amsterdam, Netherlands

Finally the Unitary Patent and the Unified Patent Court will become reality! In January 2022 Austria ratified as the 13th country and the new system will probably be up and running early 2023. So, patent professionals get prepared! Continue reading

IP Service World 2022

Holiday Inn Munich - City Centre, an IHG Hotel, Hochstraße, München, Germany

Europe’s largest IP Convention & Trade Fair, the IP Service World, is a very unique event. It is the perfect mixture of a comprehensive trade fair and a top-class convention with contributions from leading experts. Continue reading