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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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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

California Lawyers Association: Pathways to the Bench Conference 2024

Food & Ag Startup Legal Bootcamp

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

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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

Morrison Foerster Named Women in Business Law International Firm of the Year for Second Consecutive Year

Purvi G. Patel Named Top 100 Lawyer by Los Angeles Business Journal for 2024

Morrison Foerster Shortlisted in 20 Categories for the Americas Women in Business Law Awards 2024

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Erin Bosman is chair of MoFo’s Complex Litigation + Advisement Practice Group and is a founder and co-head of the Artificial Intelligence 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.

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