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European Patent Attorney

Office : Paris
+33 (0)1 44 18 89 00


  • Diploma from CEIPI
  • European Patent Attorney
  • European Patent Litigator Certificate (CEIPI)
  • French Patent Attorney

Fields of expertise

  • IP litigation
  • IP management
  • IP strategy
  • Patents


  • Chemistry
  • Aeronautic/space
  • Civil engineering
  • Cosmetics
  • Inorganic chemistry (electrochemistry, luminescent materials)
  • Life sciences/Pharmacy
  • Materials
  • Metallurgy
  • Nanotechnologies
  • Organic chemistry, polymers

– Graduate from the École Supérieure de Chimie Physique Electronique-CPE Lyon.

Isabelle MENDELSOHN is a European and French Patent Attorney. She holds a diploma in Patent Litigation in Europe from the Centre d’Études Internationales de la Propriété Intellectuelle-CEIPI.

Having begun her career in 1999 at a major IP firm in Paris, Isabelle joined Beau de Loménie’s “Chemistry, Pharmacology, Biology” team in 2011.

With her background as a chemist, Isabelle provides support to French and foreign companies on all issues related to obtaining, value optimising, and defending of patents for invention, as well as within the context of freedom-to-operate analyses. Her professional involvement covers not only the follow-up and support activities for pre-litigation and litigation proceedings, but also proceedings before the European Patent Office-EPO (oral examination, opposition, and appeal proceedings).

Languages : French, English