Leslie GIRAUD-GASNIER is a European Patent Attorney at Plasseraud IP. She specialises in the fields of biology, cosmetic, compositions and chemistry (alloys).
She is also experienced in the field of mechanics.
Leslie joined in 2011 Bleger-Rhein Poupon, member of the Plasseraud IP Group since 2024 .

Sébastien Haon is a patent engineer at Plasseraud IP. He holds a doctorate in pharmacy, a Master 2 in Industrial Property law and specializes in the field of biotechnology, pharmacy and biochemistry. He also advises patent holders in the field of Supplementary Protection Certificates. 
He assists numerous biotechnology companies and start-ups in their IP strategy and overall management of their product in development.

Before joining Plasseraud IP, Sébastien worked as a community pharmacist as well as in a Parisian IP consultancy firm.

Bethany Martin is a Patent Engineer at Plasseraud IP. She specialises in patents in the fields of chemistry and mechanics. She is experienced in drafting, prosecution, and grants within the US patent system. Bethany gained experience as a Patent Examiner for the United States Patent and Trademark Office where she prosecuted patent applications in chemical technologies focused on renewable and green tech. Bethany joined Plasseraud IP in 2024.