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Leo Jessen

Patent attorney

“Creative thinking is the key to all innovation.”
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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.

More information about Leo

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

V.O. organises European Patent Seminar in Munich

Our firm is once again organising another European Patent Seminar in Munich between 23 and 25 September.Continue reading

VoiceMint patent a prototype of ingenuity

A buzzword at education and research institutes for some time now has been ‘valorisation’. This means rendering academic knowledge suitable and/or usable for economic and social benefit. A great example is the invention of the VoiceMint, a device that makes it possible to talk without using the vocal chords.Continue reading

V.O. supports students through innovation competitions

The universities of Delft, Eindhoven, Twente and Wageningen have joined one another in setting up innovation competitions.Continue reading

Events

Product case game: Heineken THE SUB

TU Delft Faculty 3mE, Instruction room L, Mekelweg 2, Delft, Netherlands

Exclusively for TU Delft students we, together with Vattenfall Solar Team, 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. And not in the least place, how a multinational reduced its carbon footprint. Win the game and THE SUB is yours! More about this event

Knowledge for Growth 2019

Gent ICC, Gent, België

Don’t miss the 2019 edition on 9 May  and capture the attention of 1,200 high-level life sciences actors from about 550 companies & organisations! The cream of the European life sciences community will be attending the 15th edition of flanders.bio’s annual knowledge for growth business conference, attracting decision makers from biotech, pharma and medtech as well as investors, universities, topnotch research institutes, policymakers and competence providers. More about this event

INTA Annual Meeting 2019

Boston Convention and Exhibition Center, Summer Street, Boston, Massachusetts, United States

The INTA Annual Meeting is the largest and most influential gathering of brand owners and intellectual property (IP) professionals from around the world and from across industries. Join the 141st Annual Meeting in Boston, Massachusetts, May 18‒22, 2019, and you’ll leave with fresh perspectives, critical insights, best practices, and knowledge about new market trends to drive your organization forward. More about this event