California

  • December 16, 2025

    Anthropic Seeks Music Publishers' Claude IP Testing Data

    Anthropic urged a California federal judge during a hearing Tuesday to order music publishers to produce the prompts and outputs their investigators used to test whether the Claude AI chatbot was infringing song lyrics, while the publishers slammed Anthropic's request as an overbroad third attempt to pierce work-product protections.

  • December 16, 2025

    Six Flags Can't Escape Privacy Suit Over Website Tracking

    A California federal judge has refused to release Six Flags Entertainment Corp. from a proposed class action accusing it of illegally allowing third parties to track the browsing activities of visitors to its Cedar Point amusement park website, finding that the plaintiff had sufficiently asserted an array of claims for invasion of privacy, wiretap, fraud and unjust enrichment.

  • December 16, 2025

    The Top Copyright Decisions Of 2025

    In watershed moments for copyright law and artificial intelligence, two California federal judges delivered the first rulings on whether AI developers' reliance on copyrighted works to train their models qualifies as fair use, providing initial guidance on contentious battles between content creators and tech companies. Here are Law360's picks for the top copyright rulings of 2025.

  • December 16, 2025

    $1.4M Deal In Workers' 401(k) Fee Suit Gets Initial OK

    A California federal judge gave initial approval to a $1.4 million settlement that would end claims that security firm Allied Universal levied excessive fees on its workers' retirement accounts.

  • December 16, 2025

    Property Management Co. Faces AI Platform Antitrust Suit

    Artificial intelligence-driven insurance compliance service provider Beagle Labs Inc. has hit AppFolio with antitrust claims in federal court, alleging the property management software company told customers Beagle created cybersecurity risks in order to drive them toward AppFolio's in-house products.

  • December 16, 2025

    PVC Pipe Buyers Defend Price-Fix Conspiracy Claims

    Polyvinyl chloride pipe purchasers say they've alleged more than enough to show a Chicago federal judge that certain manufacturers participated in a plausible and illegal price-fixing conspiracy, urging the court to let their consolidated action proceed to discovery.

  • December 16, 2025

    Full 9th Circ. To Review Union Work Dispute Precedent

    The full Ninth Circuit is set to rethink precedent on the National Labor Relations Board's power to vet competing claims for work after taking up two challenges Tuesday to a June decision that revived a rival union's pursuit of jobs held by International Association of Machinists members.

  • December 16, 2025

    Disney, Cameron Face Copyright Suit Over 1st 'Avatar' Sequel

    Film director James Cameron, his production company and Disney were hit with another copyright infringement lawsuit on Monday from the writer who previously alleged the first "Avatar" movie ripped off his idea, who says in California federal court that the second one is a "blatant" ripoff of his work.

  • December 16, 2025

    Hinge, Tinder Sued Over Matching Women With Serial Rapist

    A group of six women sued Hinge, Tinder and their parent company in Colorado state court Tuesday, saying they matched them with a serial rapist despite claiming to have banned him from their apps.

  • December 16, 2025

    AI Biz Databricks Valued At $134B With Latest Funding Plans

    Databricks, led by Fenwick & West LLP, on Tuesday revealed that it is raising around $4 billion in a Series L round that would value the data and artificial intelligence company at $134 billion.

  • December 16, 2025

    PTAB Cuts X-Ray Patent Claims After Fed. Circ. Remand

    The Patent Trial and Appeal Board has found that three claims that Sigray Inc. challenged in a Carl Zeiss X-Ray Microscopy Inc. X-ray imaging patent were invalid after the Federal Circuit told it to take another look at the claims.

  • December 16, 2025

    Ex-Doc Avoids Prison For Dealing Ketamine To Matthew Perry

    A former physician who supplied Matthew Perry with ketamine before the "Friends" actor's overdose death avoided a prison sentence Tuesday and received eight months of home confinement from a California federal judge. 

  • December 16, 2025

    B. Riley Must Face Investor Suit Over Alleged Fraud Losses

    A California federal judge has allowed to move forward a proposed investor class action accusing B. Riley Financial Inc. of failing to disclose risks related to its dealings with Brian Kahn, an investment manager who recently pled guilty to securities fraud, though some company executives were allowed to escape the suit.

  • December 16, 2025

    Judge Trims Ziff Davis Copyright Claims In OpenAI MDL

    A Manhattan federal judge has dismissed part of a suit from digital media publisher Ziff Davis Inc. against OpenAI alleging that its chatbot ChatGPT was trained on copyrighted content scraped from the internet and gives re-creations of those works when prompted.

  • December 16, 2025

    'Choking Challenge' Suit Against YouTube, TikTok Is Tossed

    A California federal judge has dismissed without leave to amend a suit by parents and an advocacy group alleging YouTube and TikTok's reporting and moderating tools are defective and fail to take down dangerous videos, saying the complaint suffers from the same deficiencies that got a previous version dismissed.

  • December 16, 2025

    Bullivant Houser Files For Ch. 11 After November Closure

    The now-shuttered Bullivant Houser Bailey PC has filed for Chapter 11 protection in California, with its chief dissolution officer saying the bankruptcy was filed so the firm can liquidate its assets as it continues "an orderly wind-down" of its operations.

  • December 16, 2025

    Hagens Berman Sanctioned For Bot Errors In OnlyFans Case

    A California federal judge sanctioned Hagens Berman Sobol Shapiro LLP for submitting four briefs that contained errors blamed on ChatGPT while representing OnlyFans users pursuing proposed class fraud claims against the online platform, tossing the suit but allowing the users a chance to refile.

  • December 16, 2025

    Fed. Circ. Stunned By 'Numerous' Flaws In Patent Appeal

    The Federal Circuit refused Tuesday to revive a patent licensing company's infringement lawsuit over a software patent, finding there were so many issues with the appeal that they "are almost too numerous to count."

  • December 16, 2025

    Jury Says Magnolia Medical Is Owed $1.6M After Patent Trial

    A Delaware federal jury on Tuesday morning found that Magnolia Medical Technologies Inc. is entitled to nearly $1.6 million after Kurin Inc. infringed its patents tied to devices meant for drawing blood.

  • December 15, 2025

    'Hardworking' 9th Circ. Senior Judge Sandra Ikuta Dies At 71

    Senior U.S. Circuit Judge Sandra Segal Ikuta of the Ninth Circuit, who has been semi-retired since early November, died on Dec. 7 at the age of 71, exactly one month after assuming senior status, according to the Federal Judicial Center.

  • December 15, 2025

    LA Angels Did Nothing To Prevent Pitcher's Death, Jury Told

    The Los Angeles Angels "did absolutely nothing" to stop its employee from distributing illicit drugs to Tyler Skaggs, plaintiffs' counsel told California jurors Monday during closing arguments in his family's wrongful death lawsuit, while an Angels attorney argued that the pitcher was responsible for his own overdose death. 

  • December 15, 2025

    Racial 'X-Acto Knife' Used For Prop 50 Map, Calif. Panel Told

    A three-day hearing before three federal judges kicked off Monday in Los Angeles over challenges brought by California Republicans and the U.S. Department of Justice to the state's Proposition 50 voter-approved congressional districts, with a RealClearPolitics election analyst testifying that one district was created using a racial "X-Acto knife" rather than a political one.

  • December 15, 2025

    DC Judge Won't Block Calif. Tribe's Recognition Status

    Three California residents and a nonprofit cannot have an emergency order blocking a decision by the U.S. Interior Department to give federal recognition to California's Ione Band of Miwok Indians, a D.C. federal judge ruled, saying the plaintiffs didn't comply with federal rules governing such requests.

  • December 15, 2025

    Smartwatch Giants Sued Over Fall Detection Patents

    A company that makes medical alert watches for the elderly has sued Apple, Samsung, Google and Garmin in federal court and the U.S. International Trade Commission, alleging that the fall detection features in their smartwatches infringe two patents.

  • December 15, 2025

    Social Media MDL Judge Warns Attys Against Flooding Docket

    A California federal judge overseeing multidistrict litigation over claims that social media is addictive warned counsel for the plaintiffs Monday that she'd sanction them if their 17,000 pages of exhibits they plan to submit in response to defendants' summary judgment motions "[litter] the docket with irrelevant documents."

Expert Analysis

  • How MAHA Is Taking Shape At The State Level

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    The national spotlight on the federal government's Make America Healthy Again movement is bolstering state-level actions regarding potential health impacts of certain food ingredients, increasing the difficulty and importance of maintaining effective compliance programs, say attorneys at Cooley.

  • Navigating The New Patchwork Of Foreign-Influence Laws

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    On top of existing federal regulations, an expanding wave of state legislation — placing new limits on foreign-funded political spending and new registration requirements for foreign agents — creates a confusing compliance backdrop for corporations that demands careful preplanning, say attorneys at BakerHostetler.

  • AI Evidence Rule Tweaks Encourage Judicial Guardrails

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    Recent additions to a committee note on proposed Rule of Evidence 707 — governing evidence generated by artificial intelligence — seek to mitigate potential dangers that may arise once machine outputs are introduced at trial, encouraging judges to perform critical gatekeeping functions, say attorneys at Lankler Siffert & Wohl.

  • Series

    The Law Firm Merger Diaries: Getting The Message Across

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    Communications and brand strategy during a law firm merger represent a crucial thread that runs through every stage of a combination and should include clear messaging, leverage modern marketing tools and embrace the chance to evolve, says Ashley Horne at Womble Bond.

  • Steps For Cos. To Comply With Colo. Deceptive Pricing Law

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    Colorado's newly passed law protecting against deceptive pricing practices will take effect on Jan. 1, broadening the consumer protection framework and standardizing total price disclosure requirements across a variety of industries, and there are several steps businesses can take to comply, say attorneys at Haynes Boone.

  • Opinion

    Horizontal Stare Decisis Should Not Be Casually Discarded

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    Eliminating the so-called law of the circuit doctrine — as recently proposed by a Fifth Circuit judge, echoing Justice Neil Gorsuch’s concurrence in Loper Bright — would undermine public confidence in the judiciary’s independence and create costly uncertainty for litigants, says Lawrence Bluestone at Genova Burns.

  • 10 Commandments For Agentic AI Tools In The Legal Industry

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    Though agentic artificial intelligence has demonstrated significant promise for optimizing legal work, it presents numerous risks, so specific ethical obligations should be built into the knowledge base of every agentic AI tool used in the legal industry, says Steven Cordero at Akerman LLP.

  • Opinion

    California Vapor Intrusion Policy Should Focus On Site Risks

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    As California environmental regulators consider whether to change the attenuation factor used in screenings for vapor intrusion, the most prudent path forward is to keep the current value for screening purposes, while using site-specific, risk-based numbers for cleanup and closure targets, says Thierry Montoya at Frost Brown.

  • 9th Circ. Ruling Upholds Employee Speech Amid Stalled NLRB

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    The Ninth Circuit's recent decision in National Labor Relations Board v. North Mountain Foothills Apartments shows that courts are enforcing National Labor Relations Act protections despite the board's current paralysis, so employers must tread carefully when disciplining employee speech, whether at work or online, say attorneys at Foley & Lardner.

  • Series

    Preaching Makes Me A Better Lawyer

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    Becoming a Gospel preacher has enhanced my success as a trial lawyer by teaching me the importance of credibility, relatability, persuasiveness and thorough preparation for my congregants, the same skills needed with judges and juries in the courtroom, says Reginald Harris at Stinson.

  • And Now A Word From The Panel: A New Rule For MDLs

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    With a new federal rule of civil procedure dedicated to multidistrict litigation practice taking effect this month, MDL watchers will be keeping on eye on whether the rule effectively serves its purpose of ensuring that only supportable claims proceed in MDLs, says Alan Rothman at Sidley.

  • State, Federal Incentives Heat Up Geothermal Projects

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    Geothermal energy can now benefit from dramatically accelerated permitting for development on federal land as well as state-level renewable energy portfolio standards — but operating in the complex legal framework surrounding geothermal projects requires successful navigation of complex water rights and environmental regulations, say attorneys at Holland & Hart.

  • Series

    Law School's Missed Lessons: Practicing Client-Led Litigation

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    New litigators can better help their corporate clients achieve their overall objectives when they move beyond simply fighting for legal victory to a client-led approach that resolves the legal dispute while balancing the company's competing out-of-court priorities, says Chelsea Ireland at Cohen Ziffer.

  • 9th Circ. Robinhood Ruling May Alter Intraquarter Disclosures

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    By aligning with the Second Circuit and rejecting the First Circuit's extreme-departure standard, the Ninth Circuit recently signaled in its decision to revive a putative securities class action against Robinhood a renewed emphasis on transparency when known trends that can be considered material arise between quarterly reports, say attorneys at MoFo.

  • Florida Throws A Wrench Into Interstate Trucking Torts

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    Florida's recent request to file a bill of complaint in the U.S. Supreme Court against California and Washington, asserting that the states' policies conflict with the federal English language proficiency standard for truck drivers, transforms a conventional wrongful death case into a high-stakes constitutional challenge, say attorneys at Farah & Farah.

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