Tamara Fraizer leads the firm’s Intellectual Property & Technology Practice Group’s litigation practice in the US. She helps her clients assess intellectual property (IP) related issues, leverage and enforce IP rights and defend against IP claims. Tamara’s expertise is patent litigation and she has litigated numerous patent cases in federal courts across the nation and at the US International Trade Commission. Tamara is also a patent lawyer who prosecutes patents before the US Patent and Trademark Office (PTO) and handles post-grant challenges to them. In addition to fighting for her clients in the courts and at the PTO, Tamara relies upon over 18 years of legal experience to provide her clients with sound IP assessments and counseling, and to help them effectively manage their IP disputes.

Tamara’s experience spans a variety of industries including life sciences, medical device, data analytics, pharmaceuticals, healthcare-related consumer products and software. She holds a PhD in Population Biology, which involves mathematical modeling of biological systems.

Tamara has litigated for and advised public and private businesses of all sizes. She understands the strategic challenges that companies face with patent and other IP issues. She works closely with her clients to understand their priorities and manage IP-related legal disputes with their business and overall goals in mind.

As a former university lecturer, Tamara enjoys speaking on IP law topics and mentoring younger lawyers. She also enjoys counseling entrepreneurs and startups on their IP strategy, helping position them for success.

Tamara is the editor of the firm’s Global Intellectual Property & Technology blog.

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Life Sciences

  • Defending a medical device company in a litigation involving patents on optimization methods used in radiation therapy treatment planning. Filed four petitions for Inter Partes Review (IPR) of the asserted patents.
  • Representing a radiation therapy company in the assertion of a patent on a novel machine design, and defending against an IPR filed by the defendant.
  • Developing a patent portfolio for a company providing manipulations of the gut microbiome in pets to improve digestive health.
  • Developing a patent portfolio relating to systems and methods for microtissue assays.
  • Represented a medical device company in assertion of patent on systems and methods for radiotherapy treatment, coordinated the handling of proceedings between the same parties in the US, UK, Germany and the US PTO, and worked with the client to settle all matters.
  • Represented a healthcare product company in assertion of patents on cold compression therapy and assisted with prosecution of patents. Case settled.
  • Represented a pharmaceutical company in assertion of newly issued patents on an ophthalmic NSAID formulation against three companies having generic versions already on the market. All cases settled favorably late in discovery or after Markman order.
  • Represented a biotechnology company, taking over longstanding litigation between the parties after appeal to the Federal Circuit. Conducted trial focused on inventorship of RNase H minus reverse transcriptase and potential damages. Case settled during trial.
  • Represented a biotechnology company in a case involving inventorship and ownership dispute of polymerase blends for use in PCR. Obtained favorable cross-license and settlement.
  • Defended a pharmaceutical company in one of many multiparty litigations brought by another pharmaceutical company regarding methods and compositions for treatment of the skin. Successfully limited potential liability. Case settled.
  • Defended a biotechnology company in a patent infringement suit regarding fluorescence polarization assay for kinase reaction. Defeated preliminary injunction motion. Case settled after Markman hearing.
  • Represented a biotechnology company in assertion of patents for a genetically modified tissue plasminogen activator, implicating products used for treatment of acute myocardial infarction. Case settled for favorable cross-license.


  • Advising various companies on matters involving internet and software patents held by monetizing entities.
  • Defended an advertising company against claims of copyright infringement for use of internet games. Obtained early settlement.
  • Defended a global technology corporation against claims of infringement of early 1990’s patent on certain aspects of relational databases. Case settled favorably with limited discovery.
  • Defended and asserted patents of an energy efficient lighting manufacturer in a multi-patent litigation between competitors concerning their occupancy sensor light switch products. Resolved favorably prior to trial.
  • Represented the licensee of a garage door opener manufacturer in a patent infringement action concerning security algorithm software and transmitter hardware for use in garage door technology. Resolved to the satisfaction of the client prior to trial.
  • Defended a software company in a patent infringement suit brought by a competitor regarding software for wireless communications. Parties merged after trial.
  • Represented a design automation company in assertion of patent infringement claims implicating an electronic design automation company’s popular chip design software. Case settled after Markman hearing and expert reports.

Other Technologies

  • Settled cofounder dispute involving rights to clothing patent and polymer technology on the eve of trial.
  • Successfully defended a client in a multi-patent investigation concerning the design, manufacture and use of probe card assemblies. Invalidated claims of two patents and demonstrated no infringement of any of the asserted patents, with determination affirmed by the ITC.
  • Successfully asserted patents relating to circuits used in power supplies. Jury found that defendant had willfully infringed all four patents asserted in the case, and awarded damages of US$34 million. A second jury found all asserted claims not invalid.
  • Represented an electronic components supplier in assertion of patents on circuits used in power supplies. Prevailed at trial in the ITC, where the patents were found to be valid and infringed, and obtained order excluding downstream products from importation into the US. Decision upheld on appeal to the Federal Circuit.
  • Represented a technology company in multi-forum dispute involving 34 patents on various technologies used in cell phones. Case settled favorably.


  • Stanford University, J.D., 2001
  • University of California, Davis, Ph.D., 1996
  • University of Kansas, B.S., with honors and highest distinction, 1987


  • U.S. Patent and Trademark Office, 2002
  • California, 2001
  • Named one of the World’s Most Influential Women in IP by World Intellectual Property Review, 2019
  • Named Profiles in Diversity Journal’s Women Worth Watching in STEM in 2017
  • California Super Lawyer in IP Litigation for 2011-2013 and 2016-2020

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  • Co-author, “Trends and Developments,” Chambers Patent Litigation 2021, February 15, 2021.
  • Co-author, “The Top 10 Legal Mistakes Made by Early-Stage Companies,” Private Wealth, July 23, 2019.
  • Co-author, “Moveable Pieces,” Intellectual Property Magazine, April 2019.
  • Author, “How is residency determined in multi-district states?,” Intellectual Property Magazine, March 2018.
  • Author, “A Guide to Developing an International Patent Portfolio,” San Francisco Daily Journal, November 28, 2016.
  • Author, “Taking Stock of Rule 101,” Intellectual Property Magazine, June 2, 2016.
  • Author, “The New Way to Plead,” Intellectual Property Magazine, December 15, 2015.
  • Author, “The Inter Partes Review Indefiniteness Trap,” Law360 Expert Opinion, November 17, 2015.

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