Étienne Lallias is a French & European Patent Attorney at Plasseraud IP. He advises a diverse range of start-ups and large corporations on the building and management of their patent portfolios, the drafting and prosecution of patent applications, and the conduct of freedom-to-operate (FTO) analyses. He assists clients in the development and implementation of intellectual property strategies.

Dominique Boutrot is a French and European Patent Attorney at Plasseraud IP.

He specialises in patent drafting and patent prosecution in the fields of mechanics and electricity, particularly for automotive industry. Dominique gained 6 years experience as a patent engineer at a major automotive supplier. Before that, he worked for more than 15 years in R&D at an automotive supplier.

Dominique joined Plasseraud IP in 2020.

Johan d’Humières is a Technology Specialist at Plasseraud IP.

He specialises in mechanics, biotechnology and especially in the fields of biomechanics. His work is to draft patent application and to write responses to office actions from the European Patent Office. With a training in both mechanics and biology, he acquired a reel expertise in the biotechnology sector.

Johan joined Plasseraud IP in 2025.
 

John Podtetenieff is a European Patent Attorney at Plasseraud IP.
He specialises in drafting and prosecuting patent applications, defending his clients’ grant-ed patents and challenging competitor patents, primarily in the fields of biotechnology and pharmaceuticals.
He is also experienced in preparing patent landscapes analyses, conducting portfolio re-views, and advising clients on patenting strategies.

Virginie Placide is a Technology Specialist at Plasseraud IP. She is involved in drafting and prosecuting patent applications in the fields of chemistry, particularly organic chemistry, polymers, and materials. 
Virginie gained experience as a researcher in academic laboratories in France (ENS Lyon, CNRS) and abroad (South Korea, Japan), in the field of organic chemistry for applications ranging from materials chemistry to bioimaging. 
Virginie joined Plasseraud IP in 2025.

Min Kyu Cho is a European Patent Attorney at Plasseraud IP. He studied mechanical engineering at RWTH Aachen and holds a master’s degree in Intellectual Property Law and Knowledge Management from Maastricht University. His academic research activities at Fraunhofer institute and BMW in Germany was in the fields of production technologies of automotive components. Min Kyu is currently undergoing further training to become German and French patent attorney. After working at a German IP firm in Munich for 5 years, he joined Plasseraud IP in 2025.

Alexandre Ribeiro Dias is a Head of Toulouse office, French and European Patent Attorney at Plasseraud IP.

Alexandre Ribeiro Dias graduated from Telecom Paristech (Telecom Paris / ENST) in 2001, and joined Motorola Labs, as a research and standardization engineer, where he worked on the definition of next generation WLANs (including participation to IEEE standardization meetings).