

Overview
Teresa Reed Dippo is of counsel in the San Francisco office of Munger, Tolles & Olson. She focuses her practice on regulatory and appellate matters.
Tess has represented clients before all levels of federal and state courts, as well as in administrative proceedings before government agencies, including the California Public Utilities Commission. She provides strategic advice, practical analysis and expert briefing to guide clients through their most complicated legal challenges. Her work often involves constitutional and statutory interpretation, complex jurisdictional questions, and challenges to federal and state legislative and administrative actions.
Tess has briefed and argued matters in the federal courts of appeals, the California Supreme Court and the California Courts of Appeal. In the U.S. Supreme Court, she has represented clients at the merits and certiorari stages and has routinely drafted successful briefs opposing certiorari.
Before rejoining the firm in 2025, Tess served as a Deputy Solicitor General with the California Department of Justice. In that role, she briefed, supervised and advised on California’s strategy in dozens of appellate matters in the federal and state courts.
Tess co-founded the firm’s 2L Inclusivity Scholarship and has contributed to internal recruiting and inclusion programming, including through the Women+ Initiative and Latine affinity groups.
At Stanford Law School, she served on the board of the Stanford Law Review. She was also a member of the Stanford Supreme Court Litigation Clinic.
Capabilities
Practices
Industries
Experience
Notable Representations
The California Infrastructure and Economic Development Bank before the D.C. Circuit in litigation challenging EPA’s termination of federal grant funding.*
The State of California before the U.S. Supreme Court in defending the D.C. Circuit’s dismissal on standing grounds of a challenge to California’s vehicle emissions standards.*
Pacific Gas and Electric Company in:
- successfully obtaining approval from the California Public Utilities Commission of its Plan of Reorganization.
- successfully obtaining approval from the California Public Utilities Commission of its $7.5 billion rate-neutral securitization transaction.
A railroad trade association before the Surface Transportation Board in proceedings related to reciprocal switching.
Comcast in a patent claim before the Federal Circuit concerning an International Trade Commission decision involving set-top boxes.
The estates of victims of the Sandy Hook Elementary School shooting in opposing U.S. Supreme Court review of a decision allowing a suit against gun manufacturers and marketers to proceed.
Individuals challenging immigration removal proceedings in the Ninth Circuit, including arguing and prevailing in Guerra v. Barr.
* Representations conducted while serving in the California Department of Justice.
More
Recognized by Chambers USA for her regulatory and litigation work in the energy sector (2022)