Beatrice Martinet Partner

One Embarcadero Center
Twenty-Second Floor
San Francisco, CA 94111


Béatrice Martinet’s practice focuses primarily on intellectual property litigation, arbitration and transactional work for clients in a wide range of sectors, including in the computer, technology, software, publishing, pharmaceutical, food and beverage, and fashion industries.

Ms. Martinet graduated with honors from the University of Paris II (France) and Libera Università Degli Studi Sociali (Rome, Italy) and continues to collaborate with Stanford University as a Transatlantic Technology Law Forum (TTLF) Fellow. Her TTLF thesis, “Internet Intermediaries’ Liability for Copyright and Trademark Infringement: Reconciling the US and EU approaches” is posted at the Stanford Law School site.

Prior to joining Sideman & Bancroft, Ms. Martinet practiced for ten years in France, notably in the Paris intellectual property departments of two large international law firms, Salans (now Dentons) and Bird & Bird.

Ms. Martinet’s native languages are French and Italian; she is fluent in English, and conversant in Spanish as well.


Intellectual Property Counseling

  • Advised various ISPs, social media and other Internet intermediaries with liability issues  (copyright and trademark infringement, defamation, privacy, etc.)  relating to third party content in Europe and in the US
  • Filed several trademarks in France, Europe (CTM) and the US for different start-ups and larger companies in the tech and media industry, and assisted with the enforcement of these trademarks
  • Advised a major US-based company in the sportswear industry in relation to the sale of infringing products on major French and US-based online auction websites
  • Advised an Italian telecom company in relation to their planned advertising campaign (false advertising and privacy)

Intellectual Property Enforcement

  • Advised several US- and EU-based companies on the enforcement of their rights at the borders. Set up various IP infringement and gray market cross-border strategies, and filed various domestic and EU-wide requests for intervention with French customs
  • Assisted a US-based company in the catering industry with a DMCA claim; obtained a TRO and favorable settlement
  • Represented a large French company in the cosmetic industry against a large US-based online auction website before the Paris Court regarding the sale of infringing products on the website
  • Represented a US pharmaceutical company and its French subsidiary before the International Chamber of Commerce and obtained a favorable settlement in a patent infringement matter involving the interpretation of a patent licensing agreement
  • Represented a US-based company in the computer technology industry before several courts in France and obtained favorable judgments in various copyright, design and trademark infringement matters
  • Represented a French haute couture company and obtained several favorable judgments relating to the infringement of their copyrights, trademarks and designs
  • Obtained several favorable judgments for a well-known Italian designer in relation to the infringement of his designs
  • Obtained a favorable judgment for a well-known Italian soccer player against a major French newspaper in a defamation matter
Professional Involvement

Ms. Martinet belongs to the International Trademark Association (INTA), where she sits on the Internet Committee. She is also a member of the San Francisco Intellectual Property Association, and of the ABA IP section. Ms. Martinet is the author of a number of articles and journal publications and speaks and writes frequently on intellectual property issues.

Listed in Northern California Rising Stars: 2018