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Tiffany Cheung

Cheung, Tiffany


San Francisco, (415) 268-6848


University of California, Berkeley (B.A., 1997)
University of California, Berkeley, School of Law (J.D., 2000)

Bar Admissions



Hon. Susan R. Bolton, U.S. District Court, District of Arizona (2001-2002)
Hon. Marian Blank Horn, U.S. Court of Federal Claims (2000-2001)

Tiffany Cheung is the chair of the firm’s Consumer Class Actions practice group. Her practice focuses on defending consumer class actions, and includes federal, state, and multidistrict complex litigation. She has successfully defended clients in disputes involving the Telephone Consumer Protection Act (TCPA) and various unfair competition, consumer fraud, and antitrust laws in federal and state courts throughout the United States.  In addition, she has represented clients in investigations and actions brought by government officials, including the Federal Communications Commission and various state attorneys general. Her clients span a wide range of industries, including the pharmaceutical, retail, and technology industries.

Ms. Cheung has spoken on topics regarding key developments in class action privacy litigation and has authored numerous legal updates concerning consumer litigation. She is the editor of the TCPA Report section of the Morrison & Foerster Financial Services Quarterly Report. Ms. Cheung is also recommended by Best Lawyers USA 2016 and by Legal 500 US 2016.

Ms. Cheung earned her B.A. from the University of California, Berkeley with high honors and was a member of Phi Beta Kappa. She received her J.D. from the University of California, Boalt Hall School of Law in 2000, where she was editor-in-chief of the Asian Law Journal.  From 2000 to 2001, she was a judicial clerk for the Honorable Marian Blank Horn of the United States Court of Federal Claims. She was also a judicial clerk for the Honorable Susan R. Bolton of the United States District Court for the District of Arizona from 2001 to 2002.

TCPA Class Action Against National Chain.
Defeated a litigated class certification motion in a putative nationwide class action alleging that defendant made auto-dialed calls to cell phones without consent. (C.D. Cal.)
TCPA Class Action Against Health Care Provider.
Defended a putative class action alleging that defendant willfully violated the TCPA by placing auto-dialed or prerecorded debt collection calls to patients. Obtained voluntary dismissal. (S.D. Cal.)
In re Pharmaceutical Industry Average Wholesale Price Litigation.
Represented a pharmaceutical manufacturer in multi-district federal and state court litigation brought by states and counties against dozens of pharmaceutical companies involving the alleged overpayment by the Medicaid program for prescription drugs.
In re Verizon Wireless Data Charges Litigation.
Represented a wireless carrier in coordinated multi-district litigation of more than 30 putative class actions that challenged charges for data usage by the wireless carrier.
Premium Text Message Class Action Litigation.
Represented wireless carrier in several putative class actions around the country challenging charges to consumers for premium text messages that were allegedly unauthorized. Obtained voluntary dismissals of all actions.
Intervention, Inc. v. GlaxoSmithKline.
Represented GlaxoSmithKline in a class action alleging false advertising regarding an over-the-counter cold sore product and in a successful appellate challenge to a class action settlement of the case.
Mobile Communications Antitrust Litigation.
Represented mobile telephone manufacturer in case alleged antitrust violations against several defendants. Negotiated voluntary dismissal in the early stages of litigation.