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Class Actions + Mass Torts

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Our consumer class action lawyers have a proven track record in defending class actions, serial tort, and mass tort litigation for a wide range of industry leaders. 

Case Studies

Consumer Brands CPG Legal Forum

Consumer Brands CPG Legal Forum 2025

29th Annual Conference on Drug & Medical Device Litigation

2024 Class Actions National Institute

Recent Developments in Mass Torts and Class Actions

12th Annual Legal, Regulatory and Compliance Forum on Dietary Supplements

Events

Jury Returns Verdict in “Manufactured in the USA” False Advertising Case

Everyone Please Stand: Supreme Court to Consider Standing Requirements for Class Actions, With the Potential to Resolve Long-standing Multi-circuit Split.

Top Commercial Disputes of 2024: What You Need to Know and What to Look Out for in 2025

All Class, No Action: CoA Upholds Stringent ‘Same Interest’ Test

Key Takeaways from the National Association of Attorneys General 2024 Capital Forum

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Companies Suing Over Mass Arbitration, Saying It’s Unethical

Julie Park, Partner at MoFo

Brian R. Michael and Purvi G. Patel named Top 100 Lawyers by Los Angeles Business Journal for 2025

Morrison Foerster Recognized as a Litigation Powerhouse in Benchmark Litigation USA 2025

Daily Journal Names Alexandra Preece Barlow as a Top 40 Under 40 Lawyer

Adam Hunt and Evan Minsberg Named as Rising Stars by The New York Law Journal

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Erin Bosman is the global co-chair of Morrison Foerster’s litigation department. Erin is also the founder and co-head of the Artificial Intelligence group and former chair of the Complex Litigation + Advisement practice group. Clients value her business strategy, seeking her comprehensive counsel throughout the product life cycle, especially in high-stakes litigation and product recalls.Erin's clients value her litigation acumen, retaining her as national coordinating and trial counsel in class action cases and multijurisdictional and multidistrict proceedings. She navigates complex business relationships and serves as a defense liaison counsel in cases where multiple defendants have conflicting defenses. A skilled negotiator, Erin has a long track record of securing dismissals and favorable settlements for her clients. When trial is needed, her compelling courtroom skills have delivered successful jury verdicts and appellate victories.Outside the courtroom, Erin maintains a robust advisement practice, drawing on her litigation experience to counsel clients on product development, risk assessments, product labeling, and risk mitigation strategies to help them avoid and defeat product liability claims. When necessary, Erin advises on crisis management and guides clients through product recalls, representing clients before the Consumer Product Safety Commission (CPSC).Erin is a problem-solver through and through. In that role, she advises clients on some of their most difficult product questions, with particular focus on emerging technologies in untested regulatory and litigation landscapes. She is a leader in the fields of wearables and digital health, medical device and pharmaceuticals, and consumer products. Erin counsels clients that have innovative products in the technology and artificial intelligence sector. In addition to her knowledge and experience in the AI space, Erin has also advised clients working with autonomous vehicles, sensors, robotics, and IoT.Erin has received numerous accolades for her legal work, including by the Daily Journal, Chambers USA, and The Legal 500 US, where market commentators praised her as “an exceptional strategist with highly effective negotiation skills” who “has the respect and admiration of her team and her clients.” Erin is a two-time recipient of  “Product Liability Lawyer of the Year” from Euromoney America’s Women in Business Law Awards, honoring high-achieving female lawyers and progressive law firms. In 2025, Erin was again recommended in Mass Tort Litigation/Class Actions – Defendants by Best Lawyers in America. The Legal 500 continues to recognize Erin as a Leading Lawyer in Dispute Resolution: Product Liability, Mass Tort, and Class Action. She was also named as a “Top Healthcare Lawyer” by the Daily Journal, honoring her as a leading California lawyer who specializes in healthcare litigation, transactions, and counseling. Erin was also short listed in the Financial Times’ North American Innovative Lawyers Awards in the Most Innovative Legal Practitioner category for her expertise in solving clients’ problems.Erin is a member of the Product Liability Advisory Council (PLAC), a member of the editorial board for Product Liability Law 360, and a former editor of and frequent contributor to MoFo’s <a target="_blank" href="http://classdismissed.mofo.com/">Class Dismissed</a> blog.<h5>More About Erin</h5>In 1997, Erin was a judicial extern for the Honorable James F. Stiven, U.S. Magistrate Judge, Southern District of California. In 1999, she received her J.D. magna cum laude and Order of the Coif from the University of San Diego School of Law. During law school, she was an editor of the San Diego Law Review.

Erin Bosman

Co-Chair, Litigation Department

Clients seek out Tiffany for her successful track record in defending class action claims on behalf of clients in a broad range of industries, including technology, healthcare, and consumer product companies. She represents numerous Fortune 500 companies in high-stakes litigation involving privacy and marketing claims in courts throughout the United States. Tiffany’s practice includes leading class actions at the cutting edge of privacy law, including claims involving data security and biometric information. She also has advised extensively on Telephone Consumer Protection Act (TCPA) matters, as well as cases involving unfair business practice claims and consumer advertising issues. Tiffany is a former co-chair of MoFo’s global Litigation Department and the firm’s Complex Litigation + Advisement Practice Group.The Daily Journal recently named Tiffany on its 2023 list of Top Women Lawyers and as a 2023 Leading Commercial Litigator in California. Chambers USA 2023 again ranked her in commercial litigation, while The Legal 500 2023 again recommended her in product liability and marketing and advertising. BTI Consulting Group has recognized Tiffany 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 a former editor of, and frequent contributor to, the Morrison Foerster’s <a href="https://classdismissed.mofo.com/">Class Dismissed blog</a> 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.<h5>More About Tiffany</h5>Tiffany earned her B.A. from the University of California, Berkeley with high honors and was a member of Phi Beta Kappa. In 2000, she received her J.D. from the University of California, Boalt Hall School of Law, 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.

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