Antoine Dieudonné-Vatran

European & French Patent Attorney

Joined Katzarov in 2019

Hobbies & Personal information

Spends most of his spare time outdoors (running, trails, hiking), on the lake (paddle, canoe, rowing) or in the mountains (skiing, snowboarding).

Also has a special interest for wine (tasting / discovery of wine / estate) in memories of the summers spent working in this field, from the vineyard, to the cellars, through wine tasting and sales to clients.

“I started my career in IP in 2013 as an in-house patent attorney in a medical device company based on the EPFL campus in Lausanne. The IP portfolio of the company comprised both mechanical and chemical cases to protect the various aspects of the medical devices. In this regard, I have acquired extensive knowledge in microfluidics, microparticles/wafer preparation and functionalization, biomolecules extraction/sample preparation/detection.

In 2015, I joined an IP law firm in Neuchatel where I provided assistance in IP-related matters to individual clients, startups and SMEs. I was in charge of mechanical cases related to watchmaking (movement and external parts), mechanical componens/assembly (mechanical/electromechanical actuators, pumps, bearing, robots), medical devices cases (cardiac valve, optical lens), materials (composite materials, especially natural fibers) and software- and AI-based inventions (medtech/ digital health, robotics).

I am a qualified European patent attorney before the European Patent Office – EPO.

I joined Katzarov in 2019 to strengthen the patent department in the field of mechanics/software.”

Other Information

  • Coaching for start-ups : Innosuisse IP special coach, Venture IP mentor
  • Tutor/teacher in CEIPI at Strasbourg: course on the European Patent law
  • Tutor/teacher in Swiss universities : courses on intellectual property, in particular regarding the protection of software based AI based invention;
  • Member of the examination committee for the European Qualification Examination organized by the European Patent Office (drafting and correction of paper A and B);

Ph.D. in Chemistry
University Paris Descartes/Institut Curie, Paris | France
Master’s Degree in Chemistry
University of Strasbourg, Strasbourg | France


French, English, German 

Primary Expertise

Innovation protection strategy, IP portfolio management, drafting/filing/patent prosecution, opposition/appeal, litigation/arbitration

Technical Expertise

mechanics/material, software/AI