Cayssol Fenglei

Fenglei Cayssol

French Patent Attorney

European Patent Attorney


Tel: +33 (0)5 33 89 19 20

Fenglei Cayssol is a Patent Attorney at Plasseraud IP since 2018. Her Ph.D. work was devoted to the study of the domain wall dynamics in ultrathin ferromagnetic layers by using the anomalous Hall effect. After 1-year post-doctoral research on nanoelectronics based on carbon nanotubes at the Laboratory for Photonics and Nanostructures, she started her career in Intellectual Property in a French IP law firm. Fenglei acquired a diverse and complementary professional experience in the patent field since 2005 in different structures: as a patent attorney at law firms, as an in-house patent attorney at Essilor and at the Technology Transfer Office of the Aquitaine region (SATT Aquitaine).


Material Science
Medical devices


Ph.D, Physics (Paris XI)

Master of Material science (Paris VII), 2000

中国語, 英語, フランス語