Atty. Mike Sheen
A partner in Lieff Cabraser’s San Francisco office, Mike Sheen has a practice focused on digital privacy, consumer protection, and securities and financial fraud. Mike’s work in digital privacy litigation is varied, including representation of parents and children in a series of class action litigation (and a similar suit brought on behalf of the State of New Mexico) against children’s online game developers and ad networks including Disney, Viacom, and the makers of the popular Subway Surfers game (Kiloo and Sybo), over allegations the companies unlawfully collected, used, and disseminated th
Profile Summary
About Mike Sheen at a glance
Mike Sheen is a Partner based in San Francisco, California, practicing at Lieff Cabraser Heimann And Bernstein Llp. They have 14+ years of legal experience, licensed to practice since 2012. Their practice focuses on securities, consumer, and internet. Admitted to practice in California (2012), U.S. District Court, Northern District of California (2013), U.S. District Court, Southern District of California (2013), and U.S. Court of Appeals, Federal Circuit (2015). Educated at University of California, Berkeley, School of Law - Berkeley Law, Berkeley, California (J.D. Berkeley, 2012) and Asian American Law Journal, Senior Articles Editor Berkeley Law Admissions Committee, Student Member U.C. Berkeley Graduate Assembly, Funding Officer University of California, Berkeley, Berke (—). Serands clients in San Francisco, CA and the surrounding metropolitan area.
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About
- A partner in Lieff Cabraser’s San Francisco office, Mike Sheen has a practice focused on digital privacy, consumer protection, and securities and financial fraud
- Mike’s work in digital privacy litigation is varied, including representation of parents and children in a series of class action litigation (and a similar suit brought on behalf of the State of New Mexico) against children’s online game developers and ad networks including Disney, Viacom, and the makers of the popular Subway Surfers game (Kiloo and Sybo), over allegations the companies unlawfully collected, used, and disseminated the personal information of children who played the gaming apps on mobile devices
- The cases culminated in over a dozen settlements that provide stringent and meaningful privacy protections to ensure defendants’ proactively protect children’s privacy, which the New York Times has observed “could reshape the entire children’s app market.” Mike also assisted in Lieff Cabraser’s litigation against financial tech company Plaid Inc., which alleged that Plaid’s bank authentication services, used with several well-known payment apps such as Venmo and Cash App, unlawfully invaded consumers’ privacy by improperly taking their banking data without their consent or knowledge
- That case culminated in a $58 million settlement that included injunctive relief to stop the conduct and purge all improperly obtained data
- More recently, Mike has been involved in the firm’s work against Google for its collection and tracking of user location information, despite users’ decision to disable a feature (Location History) that was supposed to prevent such tracking
- That case has resulted in a proposed settlement for a $62 million and valuable injunctive relief, which is awaiting final approval by the court later this year
- Separately, Mike currently represents consumers of various video streaming websites in cases alleging that those websites secretly, and without users’ consent, collected personal information through tracking software developed by Meta (known as the “Pixel”) in violation of the Video Privacy Protection Act
- Mike received his J.D. from the University of California, Berkeley School of Law in 2012
- In law school, Mike served on the editorial boards for the Berkeley Technology Law Journal and the Asian American Law Journal
- Prior to joining Lieff Cabraser, he clerked for Judge Dale A. Drozd of the United States District Court for the Eastern District of California
- Publications & Presentations •Panelist, “What Makes a Good Securities Case: Essentials for Public Funds,” NCPERS Annual Conference & Exhibition (ACE), May 2024 •Speaker, “Tricks are for Kids: The Dark Side of Children’s Gaming Apps,” Harvard Plaintiffs’ Law Association (HPLA), March 2023 Honors & Awards •“Ones to Watch,” Best Lawyers, 2026 •“Lawdragon 500 Leading Plaintiff Consumer Lawyers in America,” Lawdragon, 2025, 2026 •“Lawdragon 500 X - The Next Generation,” Lawdragon, 2023, 2024 •“Super Lawyer for Northern California,” Super Lawyers, 2024, 2025 •“Rising Star for Northern California,” Super Lawyers, 2021, 2022 In the News •February 17, 2026 30 Lieff Cabraser Attorneys Recognized as Lawdragon “500 Leading Plaintiff Consumer Lawyers” for 2026 •August 21, 2025 36 Lieff Cabraser Lawyers Named to 2026 Best Lawyers Listings •June 30, 2025 28 Lieff Cabraser Attorneys Selected as 2025 Northern California Super Lawyers and Rising Stars •February 28, 2025 33 Lieff Cabraser Attorneys Recognized as Lawdragon “500 Leading Plaintiff Consumer Lawyers” for 2025 •July 2, 2024 13 Lieff Cabraser Lawyers Named to Lawdragon’s 2024 “Lawdragon 500 X - The Next Generation” List
Practice Areas Explained
Mike Sheen's Areas of Practice
Each practice area below reflects the types of cases Mike Sheen handles, with a brief overview of what that area of law covers.
Mike Sheen is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in California →
Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.
Mike Sheen is one of 50,607 consumer attorneys indexed nationally. Browse consumer attorneys in California →
Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.
Mike Sheen is one of 17,958 internet attorneys indexed nationally. Browse internet attorneys in California →
Jurisdictional Context
Why local counsel matters in California
Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Francisco are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.
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