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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. 

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ACI’s 30th Annual Drug & Medical Device Litigation Conference

2025 Class Actions National Institute

Mike Miller Speaks at Nordic Arbitration Day (NAD)

Consumer Brands CPG Legal Forum

Consumer Brands CPG Legal Forum 2025

29th Annual Conference on Drug & Medical Device Litigation

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Recent Developments in VPPA Litigation: Where We Were, Where We Are, and Where We’re Going

UK Class Action Landscape 2025: Mid-Year Trends and Developments

Supreme Court Lets CPSC Firings Stand—For Now

Harvard Law School Forum on Corporate Governance

Climate and Carbon Litigation Trends (Harvard Law School Forum on Corporate Governance)

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.

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Morrison Foerster Earns Top Rankings in 2026 Best Law Firms® Report

Morrison Foerster Recognized as a Litigation Powerhouse in Benchmark Litigation USA 2026

Three MoFo Lawyers Recognized as 2025 BTI Client Service All-Stars

The Legal 500 USA 2025 Endorses Morrison Foerster’s Outstanding Antitrust Team

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Companies Suing Over Mass Arbitration, Saying It’s Unethical

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Julie Park, Partner at MoFo

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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.Tiffany leads high-stakes class actions at the cutting edge of innovation and technology. She has a successful track record of defending industry-leading clients in their most complex class actions. She also has advised extensively on privacy matters, 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 named Tiffany to its 2023 list of Top Women Lawyers and listed her as a 2023 Leading Commercial Litigator in California. Chambers USA 2025 again ranked her in commercial litigation, while The Legal 500 2024 again recommended her in product liability and marketing and advertising. Lawdragon named Tiffany on its 2025 list of 100 Leading AI & Legal Tech Advisors. 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.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 and immigration proceedings.Tiffany earned her B.A. with high honors from the University of California, Berkeley and was a member of Phi Beta Kappa. 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. Following law school, 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.

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