Tiffany Cheung

Tiffany Cheung

Education

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

Bar Admissions

California

Clerkships

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)

Clients seek out Tiffany, co-chair of MoFo’s Class Actions & Mass Torts Practice Group, for her experience and successful track record in defending clients in consumer class actions in a broad range of industries. She has advised extensively on Telephone Consumer Protection Act (TCPA) disputes, as well as matters involving unfair business practices and consumer fraud laws, in courts throughout the United States.

Tiffany has represented numerous Fortune 500 companies in TCPA litigation, including McKesson Corporation, LexisNexis, and 24 Hour Fitness. She advises on the intricacies of the TCPA and CAN-SPAM Acts, ensuring her clients have compliant policies and practices. She also does substantial work involving privacy and data security, and has represented clients in privacy litigation, investigations, and actions brought by government officials.

Tiffany was recently recognized by BTI Consulting Group as one of a small group of attorneys nationwide who represent the “absolute best of the best” in the area of client service. Her clients include leaders in the technology, healthcare, financial services, and retail sectors.

She is an editor, and frequent contributor, to the Morrison & Foerster’s Class Dismissed blog and a contributing editor of the TCPA Report section of MoFo’s Financial Services Quarterly Report. As a thought leader, Tiffany often speaks to groups of industry peers about key developments in class action privacy litigation.

Because she is committed to the firm’s pro bono program, Tiffany works on diverse matters in that arena, including representing numerous clients in connection with guardianship proceedings and immigration proceedings for children.

More About Tiffany

Tiffany 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 and also served as a judicial clerk for the Honorable Susan R. Bolton of the United States District Court for the District of Arizona from 2001 to 2002.

Data Breach Class Action for Technology Company
Represented technology company in a case involving data breach claims based on allegations of improper disclosure of personal identifying information, including social security numbers. (N.D. Cal.)


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. All related cases settled on a favorable basis. (D. Mass. and state courts in Alabama, Kansas, Louisiana, New York, and Utah)


In re Verizon Wireless Data Charges Litigation
Represented wireless carrier in coordinated multi-district litigation of more than 30 putative class actions that challenged charges for data usage by the wireless carrier. (D.N.J.)


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. (Various state and federal courts)


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. (Super. Ct. of Cal., Cnty. of San Francisco; Cal. Ct. of App.)


Mobile Communications Antitrust Litigation
Represented mobile telephone manufacturer in alleged antitrust violations against several defendants. Negotiated voluntary dismissal in the early stages of litigation.


Data Breach Class Action for Technology Company
Represented technology company in a case involving data breach claims based on allegations of improper disclosure of personal identifying information, including social security numbers. (N.D. Cal.)


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. All related cases settled on a favorable basis. (D. Mass. and state courts in Alabama, Kansas, Louisiana, New York, and Utah)


In re Verizon Wireless Data Charges Litigation
Represented wireless carrier in coordinated multi-district litigation of more than 30 putative class actions that challenged charges for data usage by the wireless carrier. (D.N.J.)


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. (Various state and federal courts)


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. (Super. Ct. of Cal., Cnty. of San Francisco; Cal. Ct. of App.)


Mobile Communications Antitrust Litigation
Represented mobile telephone manufacturer in alleged antitrust violations against several defendants. Negotiated voluntary dismissal in the early stages of litigation.

Ms. Cheung is recommended in the 2018 and 2019 editions of Best Lawyers in America for her work in Privacy and Data Security, and by Legal 500 US 2018 in the area of Marketing and Advertising Law. BTI Consulting Group also recognized her in 2017 as a Client Service All-Star, an award honoring those attorneys who "stand out as [the] absolute best at client service."

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