About
Justina (Tina), a partner in our Silicon Valley office, is a general litigator who specializes in highly complex matters in the technology industry. Tina has tried cases and handled evidentiary hearings, appeals, and administrative trials in courts and agencies across the country. She works with clients ranging from start-ups to Fortune 500 companies to help them navigate, negotiate, and win business-critical disputes with competitors and enforcement authorities.
Tina maintains an active pro bono practice and has represented individuals, organizations, and classes in civil rights, women’s health, and environmental impact litigation.
Additional Information
Tina’s experience includes advising:
- Google in The State of Texas, et al. v. Google, LLC (ED Texas), United States v. Google LLC (EDVA), and in the MDL In re Google Advertising Antitrust Litigation (SDNY), in its defense of litigation brought by the US DOJ, Texas AG, and 33 other state AGs, as well as various class action plaintiffs, alleging violations of Sections 1 and 2 of the Sherman Act in connection with Google’s ad tech business.
- A major tech platform in government and private class action antitrust cases alleging monopolization of multiple alleged markets.
- A major semiconductor company in government and private class action antitrust cases challenging their business model. Tina was a key member of the trial and appellate teams that obtained a complete victory against the FTC in the Ninth Circuit.
- An automaker OEM in its efforts to recover damages from one of the largest antitrust cartel matters ever investigated.
- Google and Lucasfilm in an antitrust class action that alleged defendants agreed not to poach each other’s employees.
- A network security company in district court and Patent Trials and Appeals Board proceedings involving over a dozen patents and a business-threatening demand for injunctive relief.

Tina Sessions is "a fantastic litigator."
— Chambers USA | 2024

Justina Sessions
Partner
T 1 650 461 8276
T +1 650 618 9250
san francisco Office
One Bush Street 17th Floor
94104 san francisco
silicon valley Office
855 Main Street Redwood City, California
94063 silicon valley