California

  • April 21, 2026

    Armistice Capital Head Calls COVID Stock Rise 'Fun,' 'Lucky'

    Armistice Capital's founder defended his hedge fund Tuesday from claims it pump-and-dumped $250 million in Vaxart stock during the COVID-19 pandemic, telling a California federal jury that he and his fund got "lucky" and that the stock's rapid surge was "fun."

  • April 21, 2026

    Anthropic Pushes Fair Use Defense In Music Cos.' IP Fight

    Anthropic PBC has asked a California federal judge to find that its use of copyrighted materials to train its tool Claude is "transformative" fair use under copyright law, comparing Claude's learning to how humans learn from reading and internalizing the themes of various works.

  • April 21, 2026

    Deposition Sinks Social Media Bellwether Case, Judge Told

    Social media companies urged a California federal judge at a hearing Tuesday to toss a bellwether case in sprawling litigation accusing the companies of harming children's mental health, arguing that the plaintiff admitted during his deposition that he was not harmed by the platform's features, sinking his claims.

  • April 21, 2026

    Mariah Carey's Atty Fee Bid For IP Win 'Absurd,' Judge Told

    Singer Mariah Carey's bid for $600,000 in attorney fees after her Davis Wright Tremaine LLP attorneys defeated a copyright infringement ahead of trial is "absurd," the plaintiff's counsel told a California federal judge Tuesday, arguing that the amount is excessive for a successful summary judgment motion.

  • April 21, 2026

    IP Notebook: Global Copyright, ChatGPT TM, Rogers Test

    This round of Law360's look at emerging copyright and trademark issues includes a forthcoming U.S. Supreme Court appeal with global implications for copyrights, and OpenAI's setback in its effort to register "ChatGPT" as a trademark.

  • April 21, 2026

    9th Circ. Orders New Insider-Trading Trial Over Juror Bias

    A Ninth Circuit panel on Tuesday ordered a new trial for a Los Angeles man convicted of insider trading on tips from a JPMorgan Chase analyst, holding that a lower court erred by not excusing a juror who expressed concerns about his ability to be fair.

  • April 21, 2026

    Archer, Joby Spar Over Claims In Battle To Gain Air Taxi Edge

    Archer Aviation has told a federal court that rival electric air-taxi company Joby Aviation cannot ditch counterclaims alleging Joby concealed its China-based sourcing and misclassified imports to evade tariffs, while Joby accuses Archer of riding its coattails and trying to reframe the narrative around its own shady dealings.

  • April 21, 2026

    US Lawmakers Float Path For Fintech Fed Accounts

    Two federal lawmakers from California introduced a bipartisan bill on Tuesday that would create a path for nonbank fintechs to directly access the Federal Reserve's payment rails in the hopes of reducing bank fees and delays for consumers using payment apps.

  • April 21, 2026

    Ex-Tesla Worker Tells 9th Circ. That Arbitration Was Flawed

    A Black former Tesla employee told a Ninth Circuit panel Tuesday that the company's win in arbitration over his race discrimination claims shouldn't stand because the process was administered improperly, while the electric vehicle company countered that the arbitrator was well within her authority.

  • April 21, 2026

    Amgen Faces ERISA Suit Over Health Plan Tobacco Surcharge

    A former Amgen Inc. employee filed a proposed class action in California federal court Tuesday alleging the biotech company discriminatorily imposes an "egregiously high" $150-a-month surcharge on employees who use tobacco products, while failing to adequately notify them of reasonable pathways to avoid the fees, in violation of federal benefits law.

  • April 21, 2026

    SEC Accuses Calif. Real Estate Fund Of Ponzi-Like Scheme

    The CEO and former chief financial officer of a real estate fund manager agreed to settle SEC allegations that they misused millions from a fund they controlled, including by doling out over $15 million to investors "in Ponzi-like fashion" and improperly sending another $6 million to other companies they controlled.

  • April 21, 2026

    Meta Denies Knowing Of Social Media Pump-And-Dump Ads

    Meta Platforms Inc. had no knowledge of alleged pump-and-dump scam advertisements on its social media platforms, it has said, urging a California federal judge to dismiss a suit seeking to hold the tech company responsible for losses from the scams.

  • April 21, 2026

    Feds Say They Don't Control Immigration Center Conditions

    Immigration officials said a California federal court should toss a proposed class action from inmates alleging intolerable living conditions in a Mojave Desert processing center because the plaintiffs have sued the wrong defendants.

  • April 21, 2026

    Woman Pleads Guilty In $51M Medicare Fraud Scheme

    A San Diego woman has pled guilty in California federal court to billing Medicare for nearly $51 million in fake prescriptions and trying to hide the scheme through money laundering and kickbacks to doctors.

  • April 21, 2026

    Chevron's $52M Iran Oil Loss Not Covered, Insurers Say

    Primary insurers for Chevron urged a California federal court to find that they owe no coverage for nearly $52 million worth of crude oil that was taken by the Iranian government in March 2024, saying their combined marine cargo and war risks policy does not cover losses caused by confiscation.

  • April 21, 2026

    Franklin Templeton Can't Nix Suit Over In-House 401(k) Funds

    A California federal judge has declined to let Franklin Templeton escape a suit claiming it loaded its $2.2 billion 401(k) plan with underperforming proprietary funds that carried pricey fees, ruling a group of workers backed their claims with valid comparisons.

  • April 21, 2026

    Union Plan Seeks Early Win In 'Jersey Boys' ERISA Fight

    A stagehands union benefits plan has urged a Nevada federal court to hand it a pretrial win in a pension contribution dispute with the company behind the now-closed Las Vegas production of the musical "Jersey Boys," arguing the company cannot use a federal benefits law exception to dodge withdrawal liability.

  • April 21, 2026

    Calif. Says City Skirted Duties After Tribal Remains Found At Site

    California has accused a southern city in the state of failing to conduct further environmental review after Native American remains were discovered at a luxury home development site, saying the city improperly let certain construction activities continue.

  • April 21, 2026

    Kalshi, Tribes Must Weigh In On Pause For 9th Circ. Ruling

    A California federal judge on Tuesday ordered Golden State indigenous groups, KalshiEx Inc. and Robinhood to explain why their fight over allegedly illegal gambling shouldn't be paused pending the Ninth Circuit's decision in a case determining whether Nevada can enforce state gambling laws against prediction markets.

  • April 21, 2026

    Feds Drop 1st Circ. Homelessness Funding Appeal

    Three weeks after the First Circuit declined to pause two orders blocking the U.S. Department of Housing and Urban Development from cutting homelessness funding, HUD has dropped its appeal.

  • April 21, 2026

    Calif. Sex Abuse Boutique Sues Wood LLP For Bad Tax Advice

    A West Hollywood boutique law firm formed to represent victims of sex abuse on UCLA's campus has filed a professional negligence and breach of fiduciary duty suit against Robert W. Wood and Wood LLP, claiming in California state court that their allegedly faulty financial advice caused the loss of $2 million in interest.

  • April 21, 2026

    Calif. Privacy Agency Seeks Input On Rules Over Worker Data

    The California Privacy Protection Agency is seeking feedback on a range of topics to inform potential future regulations, including whether new rules are needed to regulate the use of employee and job applicants' personal data, and whether existing rules need to be updated to simplify potentially confusing privacy policies.

  • April 21, 2026

    Former Federal Attys Join Kelley Drye In New York, LA

    Two former federal prosecutors have returned to private practice and recently joined Kelley Drye & Warren LLP's New York and Los Angeles offices.

  • April 21, 2026

    Weinstein Recasts 'Rape' As 'Regret' In 3rd NY Trial Openings

    Harvey Weinstein's attorney told a Manhattan jury Tuesday that the film producer had a genuine on-and-off relationship with a woman who chose to "change the narrative" from consensual sex to rape after he faced a flurry of assault accusations in 2017.

  • April 21, 2026

    Insurer Says Firm Owes $2.2M For Botched Representation

    A Wisconsin-based insurer has sued the law firm it hired to defend an auto policyholder in a crash suit, telling a California federal court that the firm's inadequate representation has cost it more than $2.2 million.

Expert Analysis

  • What Employers Should Know About Calif. PAGA Proposal

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    Recently proposed regulations concerning the Private Attorneys General Act evidence an intent by California's Labor and Workforce Development Agency to play a greater role in the prosecution of PAGA actions, including more oversight over the exhaustion notices and settlement process, say attorneys at Paul Hastings.

  • Class Actions At The Circuit Courts: March Lessons

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    In this month's review of class action appeals, Mitchell Engel at Shook Hardy discusses four recent rulings from January and identifies practice tips from cases involving allegations of violations of consumer fraud regulations, the Fair Credit Reporting Act, employment law and breach of contract statutes.

  • Where 5th Circ. Ruling Fits In ERISA Arbitration Landscape

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    The Fifth Circuit's recent decision in Parrott v. International Bancshares, holding that an Employee Retirement Income Security Act plan may consent to arbitration, must be understood against the backdrop of a developing body of appellate authority addressing ERISA arbitration, say attorneys at Gibson Dunn.

  • 5 Different AI Systems Raise Distinct Privilege Issues

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    A New York federal court’s recent U.S. v. Heppner decision, holding that a defendant’s use of Claude was not privileged, only addressed one narrow artificial intelligence system, but lawyers must recognize that the spectrum of AI tools raises different confidentiality and privilege questions, says Heidi Nadel at HP.

  • State, Federal Policies Complicate Fuel And Carbon Markets

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    As federal and state regulators advance a complex web of mandatory and voluntary programs and incentives that shape how transportation fuels are produced, traded and valued, new compliance obligations present both risks and opportunities for fuel market and carbon market participants alike, says Sarah Grey at Arnold & Porter.

  • Opinion

    AI-Assisted Arbitration Needs Safeguards To Ensure Fairness

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    As tribunals and arbitral institutions increasingly use artificial intelligence tools in their decision-making processes, ​​​​​​​clear disclosure standards and procedural safeguards are necessary to ensure that efficiency gains do not erode the fairness principles on which arbitration depends, says Alexander Lima at Wesco International.

  • Paramount-WBD Deal Would Widen Net For Antitrust Scrutiny

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    The fresh likelihood of a merger between Paramount and Warner Bros. Discovery raises the prospect of added intervention from the U.S. Department of Justice due to the companies' overlaps in key markets, and may signal expanded DOJ scrutiny of potential anticompetitive effects on supply chains, says Shubha Ghosh at the Syracuse University College of Law.

  • What Recent Dataset Suits Signal For AI Training Litigation

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    Plaintiffs are moving away from abstract debates about artificial intelligence at large and toward dataset provenance, and three filings illustrate how provenance is pled using public dataset documentation, archives and discovery‑ready allegations about copying, retention and downstream handling, says Yulia Leshchenko at Name & Fame.

  • Planning For M&A Complexity After New State 'Mini-HSR' Laws

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    After the recent enactment of California's mini-HSR law, and with Indiana poised to pass its own, requiring the submission of Hart-Scott-Rodino premerger notifications to state attorneys general, practitioners should expand their deal planning to include state-by-state reportability as more states adopt similar mandatory merger-notification requirements, say attorneys at McDermott.

  • What New Packaging Waste Laws Mean For Franchisors

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    With states ramping up laws establishing extended producer responsibility programs for packaging materials, paper products and single-use food service ware, restaurant and hospitality franchisors face special compliance challenges as they navigate a delicate balance between conflicting priorities, say attorneys at Baker McKenzie.

  • What's Next After NLRB Dismissal Of SpaceX Suit

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    Though the National Labor Relations Board’s recent decision to dismiss its long-running unfair labor practice complaint against SpaceX on jurisdictional grounds temporarily resolves a circuit split over injunctions, constitutional and employee-classification questions remain, say attorneys at Proskauer.

  • Series

    Playing Piano Makes Me A Better Lawyer

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    Playing piano and practicing law share many parallels relating to managing complexity: Just as hearing an entire musical passage in my head allows me to reliably deliver the message, thinking about the audience's impression helps me create a legal narrative that keeps the reader engaged, says Michael Shepherd at Fish & Richardson.

  • AI Trade Secret Conviction Highlights Espionage Risks

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    A California federal court's conviction last month of an ex-Google engineer who stole artificial intelligence trade secrets for the benefit of China is the latest in a series of foreign economic espionage cases and illustrates the urgent need for U.S. companies to implement robust security measures, says attorney Peter Toren.

  • Rebuttal

    Substantial Legal Grounds Supported HPE-Juniper Challenge

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    A recent Law360 guest article argued that the Hewlett Packard-Juniper Networks settlement was part of a trend of antitrust agencies reanchoring themselves in evidence by resisting ill-founded merger challenges, but the complaint against HPE-Juniper actually relied on substantial legal grounds and modern analytical frameworks, says attorney Richard Wolfram.

  • NY RAISE Act Raises The Bar For Frontier AI Developers

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    For organizations developing or substantially modifying highly capable artificial intelligence models, the New York Responsible AI Safety and Education Act represents a meaningful escalation beyond California's S.B. 53, even though it applies to a narrower group of developers, so companies should expect additional obligations, particularly around accelerated incident reporting, say attorneys at Kilpatrick.

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