Dr. Tamera (Tammy) Weisser's practice includes domestic and foreign patent portfolio development, management, and enforcement in biotechnology, including immunology, biochemistry, molecular biology, pharmaceuticals, diagnostics, genetics, cell biology, stem cell therapy, gene therapy, and medical devices. Tammy has extensive experience in the field of antibody technology and has represented clients such as Kyowa Hakko Kirin, MacroGenics, and MedImmune in developing their antibody portfolios. Other representative clients include Ambit Biosciences, BioMarin, BioSphere Medical (Merit Medical), Celgene, and Isis Pharmaceuticals. Tammy also performs patent validity, noninfringement, and freedom-to-operate analyses and conducts due diligence of patent portfolios for potential investors, acquirers, and licensees, such as venture capital firms or pharmaceutical and biotechnology companies, including Apposite Capital, Celgene, GeoSynFuels, MedImmune, and Mitsui Ventures.

Prior to joining Jones Day in 2004, Tammy spent five years as a patent agent at an international law firm. In addition, she was formerly a research scientist studying DNA-based vaccine technology at Agracetus, Inc. in Madison, Wisconsin and the Emory University Vaccine Research Center in Atlanta, Georgia.

In addition to her intellectual property practice, Tammy is part of the San Diego Office's recruiting committee and has been actively involved in organizing the summer associate program. She also mentors and supervises a number of junior associates. Tammy is an active member of a number of local professional organizations, including the Association for Women in Science (board of directors, Strategy Sessions Committee), Lawyers Club (co-chair, Balance Committee), Athena (Pinnacle Awards Nominations Committee), the San Diego County Bar Association, and the San Diego Intellectual Property Law Association.