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Amazon.com Import Tariff Consumer Class Action

Hagens Berman’s consumer-rights attorneys filed a class-action lawsuit against Amazon for allegedly collecting unlawful tariffs from millions of consumers since late 2025.

Washington State First Responder LEOFF Retirement Fund

Retired First Responders Sue Washington State over Rights to $3.3B Pension Funds Threatened by Lawmakers

OpenAI ChatGPT Wrongful Death Claim

Hagens Berman has filed a wrongful death lawsuit against OpenAI Foundation alleging the organization’s artificial intelligence chatbot led to a tragic murder-suicide.

Zillow Agent Class Action

Hagens Berman represents homebuyers in a class-action lawsuit against Zillow alleging it leveraged its market dominance to illegally increase purchase price.

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Case Name Sort descending	Practice areas	Position	Date Filed	Status
Zimmer Biomet Holdings, Inc. (ZBH) Investigation	Investor Fraud			Investor Fraud Investigation
Zuora, Inc. (NYSE: ZUO)	Investor Fraud	Lead Counsel	06/14/2019	Settled

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