California

  • 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."

  • December 15, 2025

    Microsoft Seeks To Exit ChatGPT Users' OpenAI Antitrust Suit

    Microsoft has slammed a proposed class action accusing the company of bullying OpenAI into a cloud computing deal as devoid of fact and economic sense in two motions filed in California federal court, saying the plaintiffs, ChatGPT subscribers, are trying to dodge an arbitration clause in the chatbot developer's user terms.

  • December 15, 2025

    States Fight Sandoz Bid To Argue Duplication In Generics Row

    Multiple attorneys general have told a Connecticut federal court that Sandoz Inc. and Fougera Pharmaceuticals Inc. can't claim the states' grievances over allegations of price fixing are duplicative of claims that were already settled, since there are some claims and forms of relief that only state plaintiffs can seek.

  • December 15, 2025

    9th Circ. Backs Honeywell Over Engineer's Retaliation Claims

    The Ninth Circuit rejected an ex-Honeywell engineer's challenge to her firing after voicing concerns about avionic software that was part of a Boeing defense contract, finding any potential fraud to the government was too far removed to support a retaliation claim.

  • December 15, 2025

    FTC Joined By 21 States In Accusing Uber Of Deception

    Twenty-one states joined the Federal Trade Commission on Monday in a California federal lawsuit accusing Uber of enrolling consumers into its paid subscription service without consent and keeping them in a "loop" of obstacles that deter or prevent cancellations.

  • December 15, 2025

    USPTO Replaces Denver Office With Center In Montana

    Montana has been picked by the U.S. Patent and Trademark Office to be the first state to oversee community outreach in the area formerly serviced by the now-shuttered Rocky Mountain Regional Outreach Office in Denver.

  • December 15, 2025

    Lady Gaga Can Keep Using 'Mayhem' Mark For Now, Judge Says

    A California federal judge on Monday refused to grant a surfing brand a preliminary injunction against Lady Gaga from using the "Mayhem" mark on the clothing she sells, saying the brand had not shown that it was likely to succeed on its trademark infringement claims.

  • December 15, 2025

    Insurer Denies Coverage For Car Shop's Customer Suit

    An insurer told a California federal court it had no duty to defend a car conversion business from a suit alleging it wrongfully used a customer's car in advertisements, explaining that the claims did not fall under the specified ad injury coverage.

  • December 15, 2025

    Cooley Adds Crypto-Focused Atty From Waymaker

    A fintech litigator whose clients have included Mango Markets trader Avraham Eisenberg and Tornado Cash co-founder Roman Storm is heading to Cooley LLP after 12 years at Waymaker LLP, Cooley announced Monday.

  • December 15, 2025

    Judge Won't Boot Bondi-Appointed Prosecutor In LA

    A federal judge has refused to reconsider his ruling disqualifying Bill Essayli from holding the role of U.S. attorney but allowing him to serve as the first assistant U.S. attorney for the Central District of California, finding that Essayli's appointment by U.S. Attorney General Pamela Bondi is valid.

  • December 15, 2025

    The Top Patent Decisions Of 2025

    The Federal Circuit decided its first en banc utility patent case in years and expanded who can use the U.S. International Trade Commission, while both the appeals court and U.S. Patent and Trademark Office took on the eligibility of AI patents. Here's a look at the top patent decisions of 2025.

Expert Analysis

  • State Child Privacy Laws May Put More Cos. In FTC's Reach

    Author Photo

    Starting with Texas in January, several new state laws requiring app stores to share user age-related information with developers will likely subject significantly more companies to the Federal Trade Commission’s child privacy rules, altering their compliance obligations, say attorneys at Womble Bond.

  • Why Appellees Should Write Their Answering Brief First

    Author Photo

    Though counterintuitive, appellees should consider writing their answering briefs before they’ve ever seen their opponent’s opening brief, as this practice confers numerous benefits related to argument structure, time pressures and workflow, says Joshua Sohn at the U.S. Department of Justice.

  • Notable Q3 Updates In Insurance Class Actions

    Author Photo

    The third quarter of 2025 was another eventful quarter for total loss valuation class actions, with a new circuit split developing courtesy of the Sixth Circuit, while insurers continued to see negative results in cost-of-insurance class actions, says Kevin Zimmerman at BakerHostetler.

  • What's At Stake In High Court Compassionate Release Case

    Author Photo

    The U.S. Supreme Court will hear arguments in Fernandez v. U.S. next week about the overlap between motions to vacate and compassionate release, and its ultimate decision could ultimately limit or expand judicial discretion in sentencing, says Zachary Newland at Evergreen Attorneys.

  • Series

    Mindfulness Meditation Makes Me A Better Lawyer

    Author Photo

    Mindful meditation enables me to drop the ego, and in helping me to keep sight of what’s important, permits me to learn from the other side and become a reliable counselor, says Roy Wyman at Bass Berry.

  • $233M Disney Deal Shows Gravity Of Local Law Adherence

    Author Photo

    A California state court recently approved a $233 million settlement for thousands of Disneyland workers who were denied the minimum wage required by a city-level statute, demonstrating that local ordinances can transform historic tax or bond arrangements into wage law triggers, says Meredith Bobber Strauss at Michelman & Robinson.

  • Opinion

    Punitive Damages Awards Should Be Limited To 1st Instance

    Author Photo

    Recent verdicts in different cases against Johnson & Johnson and Monsanto showcase a trend of multiple punitive damages being awarded to different plaintiffs for the same course of conduct by a single defendant, a practice that should be deemed unconstitutional by the U.S. Supreme Court, says Jacob Mihm at Polales Horton.

  • How Calif. High Court Is Rethinking Forum Selection Clauses

    Author Photo

    Two recent cases before the California Supreme Court show that the state is shifting toward greater enforcement of freely negotiated forum selection clauses between sophisticated parties, so litigators need to revisit old assumptions about the breadth of California's public policy exception, says Josh Patashnik at Perkins Coie.

  • AI Litigation Tools Can Enhance Case Assessment, Strategy

    Author Photo

    Civil litigators can use artificial intelligence tools to strengthen case assessment and aid in early strategy development, as long as they address the risks and ethical considerations that accompany these uses, say attorneys at Barnes & Thornburg.

  • How Employers Should Reshape AI Use As Laws Evolve

    Author Photo

    As laws and regulations on the use of artificial intelligence in employment evolve, organizations can maximize the innovative benefits of workplace AI tools and mitigate their risks by following a few key strategies, including designing tools for auditability and piloting them in states with flexible rules, say attorneys at Cooley.

  • Attys Beware: Generative AI Can Also Hallucinate Metadata

    Author Photo

    In addition to the well-known problem of AI-generated hallucinations in legal documents, AI tools can also hallucinate metadata — threatening the integrity of discovery, the reliability of evidence and the ability to definitively identify the provenance of electronic documents, say attorneys at Law & Forensics.

  • How 9th Circ. Ruling Deepens SEC Disgorgement Circuit Split

    Author Photo

    The Ninth Circuit's recent decision in U.S. Securities and Exchange Commission v. Sripetch creates opposing disgorgement rules in the two circuits where the SEC brings a large proportion of enforcement actions — the Second and Ninth — and increases the likelihood that the U.S. Supreme Court will step in, say attorneys at Cahill Gordon.

  • Calif. Justices Continued Anti-Arbitration Trend This Term

    Author Photo

    In the 2024-2025 term, the California Supreme Court justices continued to narrow arbitration's reach under state law, despite state courts' extreme caseload backlog and even as they embraced contractual autonomy in other contexts, says Josephine Petrick at The Norton Law Firm.

  • When Atty Ethics Violations Give Rise To Causes Of Action

    Author Photo

    Though the Model Rules of Professional Conduct make clear that a violation of the rules does not automatically create a cause of action, attorneys should beware of a few scenarios in which they could face lawsuits for ethical lapses, says Brian Faughnan at Faughnan Law.

  • Privacy Lessons From FTC Settlement With Chinese Toymaker

    Author Photo

    In U.S. v. Apitor Technology, the Federal Trade Commission recently settled with a Chinese toy manufacturer that shared children's physical location with a third-party app provider, but the privacy lessons from the settlement extend beyond companies focusing on children's products, say attorneys at Sheppard Mullin.

Want to publish in Law360?


Submit an idea

Have a news tip?


Contact us here
Can't find the article you're looking for? Click here to search the California archive.