Photo of Lorna L. Tanner

Lorna L. Tanner

Silicon Valley
T: 650.815.2658
F: 650.815.4692
San Francisco
T: 415.774.3161
F: 415.434.3947


  • J.D., Santa Clara University School of Law, 2002, Articles Editor of the Santa Clara Computer and High Technology Law Journal
  • B.S., University of California, Berkeley, 1999
  • California
  • U.S. Patent and Trademark Office
  • U.S. District Court for the Northern District of California
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Court of Appeals for the Federal Circuit
Publications & News

Lorna Tanner is a partner in the Intellectual Property Practice Group in the firm’s Silicon Valley and San Francisco offices and also serves as the Co-Team Leader of the firm’s Life Sciences team.

Areas of Practice

Lorna counsels biopharmaceutical and medical device clients on strategic issues relating to the development and management of their global patent portfolios.  Her practice focuses on preparing and prosecuting patents with a key objective of ensuring that her clients’ business objectives are met.  She performs due diligence analyses on patent portfolios for financings, mergers and acquisitions, and renders opinions on infringement, inventorship, and freedom-to-operate.

Lorna’s technical emphasis is in pharmaceutically active small molecules in clinical development with a primary focus on developing and executing patent strategies for late-stage and approved drugs.  She has experience in a variety of other technologies, including: polymers in the context of embolic compositions and adhesives; drug delivery, including pulmonary, topical, and pharmaceutical formulations; biologics such as modified proteins and viruses; and medical devices, including aesthetic devices, syringes, catheters and embolic coils.  Lorna also has experience with green technologies and agricultural products.

  • Recognized for patent prosecution work, Legal 500, 2011
  • Gilead Sciences, Inc. - Prosecuting numerous patent portfolios directed to hepatitis C and cardiovascular approved drugs and drugs in development.
  • Portola Pharmaceuticals, Inc. – Developing and prosecuting patents directed to anticoagulant drugs and biologics.
  • Plexxikon Inc. – Developing and prosecuting patents directed to oncology drugs and drug candidates.
  • Symic Biomedical, Inc. – Developing and prosecuting patents directed to various proteoglycan products in development.
  • Outside patent counsel to publicly traded biopharma company, prosecuting patents relating to drug candidates for treating anemia.
  • Outside patent counsel to numerous emerging biopharma companies developing and prosecuting patents directed to drug discovery assays, medical devices and combination drug products.


  • Co-author, "America Invents Act: Law & Analysis," Wolters Kluwer, 2012

Life Sciences Law Blog Posts

Media Mentions