Well-regarded IP boutique with significant activity in the European market. Advises mainly on patent litigation and trade marks. Further experience in handling issues pertaining to employee inventions. Prominent activity in the manufacturing and pharmaceutical sectors, in addition to work in telecoms. Client list includes leading multinationals as well as domestic companies and private individuals.
One impressed source describes Catherine Mateu as a "very good litigator," adding: "She really fights with everything she has, she is not shy to use every procedural means available."She regularly represents both plaintiffs and defendants in patent infringement proceedings. Mateu acts for clients from the technology and pharmaceutical sectors, and also frequently acts for Spanish clients.
Clients highlight Stéphane Guerlain for his "excellent capacity for synthesis and technical understanding." His wide-ranging practice encompasses trade mark invalidity and infringement, copyright, and also issues surrounding employee inventions. One source reports that "his skill level is extreme and the result is stark."