Charlotte Leleu is a Partner, French and European Patent Attorney and IT Patent Practice Group Leader at Plasseraud IP. Charlotte advises clients on the protection and defense of their patent portfolio, as well as on the definition and implementation of intellectual property strategies. With a strong background in applied mathematics and computer-implemented inventions, she has developed particular expertise in the field of “Big Data” and Artificial Intelligence.

Eric Gruson is a Patent Attorney at Plasseraud IP where he became a Partner in 2018. Eric is Director of Data & Processes. He has extensive experience in obtaining patents and litigation in the various fields of mechanics and computer science (e.g. drilling, computer simulation, bioinformatics tools, telecommunications and cryptography). He was dealing with numerous cases of infringement before French courts and numerous appeals before the EPO. Eric also provides training about employee inventions, software patentability and counterfeit seizures on a regular basis.

Raphaël Fleurance is a Partner and Head of the Lyon office at Plasseraud IP. He is a French and European Patent and Trademark Attorney. He works in the areas of chemistry, physics and medtech, for the drafting, prosecution and defense of patents, trademarks and designs, as well as IP contracts. He began his career in the Direction Générale de l’Armement for a year. Then, he moved to the IP department of Salomon (sport equipments) in 1986/1987 and afterwards he worked for three years at the IP department of Roquette Frères, a leading multinational firm in the agrochemical industry.

Seowon Park is a Partner and a Korean IP Attorney within Plasseraud IP. 

Head of Korea Team, she is a graduate of Yonsei University in Korea, where she studied biology. She began her career in a Korean intellectual property law firm where she was responsible for prosecutions and appeals in the fields of chemistry, pharmacy and biology. 

She also has several years of experience as an IP expert in public organisations and as an IP leader in the chemical industry. 

She joined Plasseraud IP in 2017 and was appointed partner in 2025.

Albert Hassine is a Partner and Patent Attorney at Plasseraud IP. He specializes in software protection with applications as varied as telecommunications, image processing and bioinformatics. He also gives training courses on software protection in Europe (patentability, copyright, licensing of "free" software). Albert Hassine started in IP in 1996.

Laurence Loumes is a Partner and a French and European Patent Attorney at Plasseraud IP.

She spent 14 years in the United States and Canada before joining Plasseraud IP, where she practiced as both a U.S. and Canadian patent agent. Laurence has nearly 20 years of experience in patent drafting, prosecution, and litigation.

Guillaume Durville is a Partner and a European Patent Attorney based in Madrid at Plasseraud IP.  He advises Plasseraud IP's clients, in particular major players in IT and consumer goods sectors, on the development and management of their patent portfolios. 

Atom Tong is a Partner at Plasseraud IP. He is a dually qualified Chinese and European Patent Attorney, as well as a UPC Representative. 

He plays a key role in the business development strategy for the Chinese market, alongside his technical responsibilities. 

He received his LL.M. Master’s Degree in Intellectual Property from Shanghai University, a post-graduate program in Intellectual Property Rights, the first IP Education Program in China. 

Catherine Touati is a Partner and a Patent Attorney at Plasseraud IP. She is involved in the fields of chemistry, cosmetics, food processing, and more specifically in pharmaceuticals and phytopharmacy. She deals with case files, conducts freedom of operation studies and manages litigation files. She has developed a particular expertise in Supplementary Protection Certificates (SPC) and Plant Variety Rights (PVR). She joined Plasseraud IP in 1996, after a first four-year experience in an IP law firm, where she trained in patent and trademark law. She became a Partner in 2011.

Frédéric Niemann is a Partner and Patent Attorney at Plasseraud IP. He is active in the fields of biotechnology, pharmaceuticals, chemistry and medtech. He was an examiner at the European Patent Office from 2000 to 2005 (in The Hague). He was specialized in the fields of biotechnology (gene therapy, vaccines, and diagnostics). Frédéric joined Plasseraud IP in 2005.