Tamera M Weisser

Intellectual Property; Health Care & Life Sciences

Dr. Tamera (Tammy) Weisser, Ph.D. leads Jones Day’s global patent prosecution group in 15 offices across the U.S., Europe, and Asia. Recognized as an “IP Trailblazer” by The National Law Journal and ranked Band 2 by Chambers, she unites more than 25 years of sophisticated IP legal counsel with deep laboratory expertise, particularly in the areas of immunology and virology. Dr. Weisser architects and defends business-critical portfolios for emerging and multinational biopharma innovators, encompassing cutting-edge diagnostics, vaccines, and antibody, protein, cell, and gene therapies targeting oncology, metabolic, enzymatic, and infectious diseases. Beyond strategic prosecution, she advocates before the USPTO’s Patent Trial and Appeal Board, routinely prevailing in complex inter partes review proceedings involving blockbuster therapeutics. Clients equally depend on her for incisive freedom-to-operate and validity opinions, value-driven diligence in financing and M&A transactions, and strategic cross-border portfolio management across all product development stages. Her uncommon fusion of scientific rigor, commercial insight, and global regulatory acumen positions Dr. Weisser as a trusted advisor to life sciences innovators seeking to secure and defend a decisive competitive advantage in the industry.