Intellectual Property

  • April 23, 2026

    Judge Questions Birkenstock's Delay In Trademark Claim

    A Massachusetts federal judge on Thursday appeared skeptical of Birkenstock's claim that it did not know about White Mountain's lookalike sandals and clogs until 2018, pressing counsel on its delay in pursuing trademark infringement claims.

  • April 23, 2026

    Full Fed. Circ. Won't Rehear $500M Patent Case Against Sony

    The full Federal Circuit on Thursday declined to consider a decision that found Sony's PlayStation controllers don't infringe a computer input device patent in a suit where the patent owner was seeking almost $500 million in damages.

  • April 23, 2026

    Fed. Circ. Partly Reboots Patent Suit Over YouTube Content ID

    The Federal Circuit ruled Thursday that a New York federal court needs to take another look at a patent licensing company's claim that Google and YouTube's Content ID system infringes one of its patents, but backed a finding that claims in two other patents were invalid.

  • April 23, 2026

    Headwater Can't Enforce IP After Waiting 6 Years, Judge Says

    A Texas federal judge has ruled that Headwater Research LLC can't enforce a pair of patents against Verizon, less than a year after a jury hit the telecommunications giant with a $175 million infringement verdict.

  • April 23, 2026

    Wildfire App Can't Get Competitor's Launch Blocked

    A California federal judge has declined to issue a preliminary injunction at the behest of a competitor to block the launch of an app that gives out information about wildfires, saying this competitor had not adequately explained the delay between when it learned of the planned app's launch and when it filed suit.

  • April 23, 2026

    As Game Cos. Fight Over Docs, Judge Trims Requests

    Mobile game companies Skillz Inc. and Tether Studios LLC clashed Thursday in Delaware Chancery Court over the scope of discovery in a contract and trade secrets dispute, with each accusing the other of withholding critical information, while Vice Chancellor Morgan T. Zurn largely trimmed back what she said were overbroad requests.

  • April 23, 2026

    OpenAI Barred From Using 'IO' As TM In Dispute With IYO

    A California federal judge on Thursday prohibited OpenAI from using "IO" as a trademark for AI hardware, finding that the branding is likely to be confused with startup IYO Inc. 

  • April 23, 2026

    Bassist's Suit Against Metal Band Can Rock On, Judge Says

    A Connecticut judge has refused to strike six counts from a bassist's lawsuit challenging his ejection from the Grammy-nominated metal band Hatebreed, finding the musician properly pleaded claims that he was harmed by his 2024 removal after a decades-long business relationship.

  • April 23, 2026

    Mobile Game Co. Hit With $420M Verdict In False Ad Trial

    Papaya Gaming Ltd. on Thursday was hit with a jury verdict in New York telling it to pay $420 million in damages in a trial over its alleged misrepresentations about its mobile games being based on skill and not using bots.

  • April 23, 2026

    Trulieve Says Infringement Suit Doesn't Actually State A Claim

    Cannabis company Trulieve Inc. has said a rival company's complaint against it lacks any factual basis to support the allegation Trulieve infringed the rival's patents, urging a Florida federal court to throw out the suit.

  • April 22, 2026

    Music Cos. Drop Verizon Copyright Suit After Cox Decision

    Music companies that accused Verizon Communications Inc. of profiting from its customers' online piracy told a New York federal court on Wednesday that they were dropping their case, which had been paused while the U.S. Supreme Court considered similar claims against another internet service provider, Cox Communications.

  • April 22, 2026

    Full Fed. Circ. Passes On Sarepta's Patent Rehearing Bid

    The full Federal Circuit on Wednesday rejected Sarepta Therapeutics Inc.'s bid for a rehearing after a panel's decision revived a University of Pennsylvania gene therapy patent that is licensed by clinical-stage biotechnology company Regenxbio Inc.

  • April 22, 2026

    RJ Reynolds Wants Order That E-Cigs Don't Infringe Patent

    RJ Reynolds Vapor Co., which produces Vuse e-cigarettes, filed a suit in Delaware federal court seeking a declaration that it does not infringe a patent held by rival VPR Brands.

  • April 22, 2026

    Eli Lilly Case Over Weight Loss Drugs Kept Mostly Intact

    A California federal court has refused to throw out a lawsuit from Eli Lilly against a telehealth company and related entities over the compounding of its popular weight loss drugs Mounjaro and Zepbound, but agreed to trim a conspiracy claim from the case.

  • April 22, 2026

    Judge Lets AI Copyright Claims Against Databricks Proceed

    A California federal judge has denied a bid from software and artificial intelligence firms Databricks and Mosaic ML to escape authors' allegations that their works were used to train large language models, saying the proposed class of writers had asserted a sufficient complaint.

  • April 22, 2026

    Entegris Says Ex-Engineer Used Its Tech To Start Rival Firm

    Tech company Entegris says a former lead engineer secretly founded his own competing firm by stealing trade secrets and has been soliciting its customers, including Intel, to bring their business to his startup, according to a suit in Massachusetts state court.

  • April 22, 2026

    6th Circ. Questions Timing Of Late Keyboardist's Royalties Bid

    A Sixth Circuit panel sharply questioned both sides Wednesday over when, if ever, Parliament-Funkadelic co-founder George Clinton clearly rejected a decades-old royalty deal with the band's former keyboardist, signaling uncertainty about whether the late musician's estate waited too long to sue.

  • April 22, 2026

    Oura Hit With New Patent Suit Over Fitness Wearables

    Zepp Health has hit Oura Health with a lawsuit in the Eastern District of Texas accusing the Finnish company of infringing a series of patents on wearable fitness devices, the latest salvo in a wider patent fight between the companies.

  • April 22, 2026

    Norton Rose Faces $100M Suit Over Withdrawn Patent App

    Norton Rose Fulbright was sued in Illinois state court Tuesday by an advertising tech company claiming that the law firm mishandled a patent application and caused it to be deemed withdrawn, but kept the company in the dark about the loss of its valuable patent rights for over a year.

  • April 22, 2026

    Commure Took Health Co.'s Software Trade Secrets, Suit Says

    A San Diego-based healthcare technology services company has accused Commure Inc. of stealing trade secrets to launch competing cloud-based software, framing the alleged conduct as an instance of a large company "backed by big money" breaking the rules to obtain a much smaller competitor's information.

  • April 22, 2026

    Paint Co. Says Injury Firm Used Stolen Data To Solicit Clients

    A paint company has asked a North Carolina federal court to boot the opposing counsel in a putative data breach class action, accusing them of finding stolen data on the dark web and using it to solicit potential plaintiffs before victims were even notified of the breach.

  • April 22, 2026

    WIPO Head Gets Another Term To Lead UN Agency

    World Intellectual Property Organization Director General Daren Tang has been reappointed to the position after being nominated by its coordination committee earlier this year to again lead the United Nations agency.

  • 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

    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.

Expert Analysis

  • 7 Strategies To Optimize Impact Of Direct Examination

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    Direct examination is a make-or-break opportunity to build a witness’s credibility, so attorneys should adopt a few tactics — from asking so-called trust-fall questions to preemptively addressing weaknesses — to drive impact and retention with the fact-finder, says Allison Rocker at Baker McKenzie.

  • Series

    Nature Photography Makes Me A Better Lawyer

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    Nature photography reminds me to focus on what is in front of me and to slow down to achieve success, and, in embracing the value of viewing situations through different lenses, offers skills transferable to the practice of law, says Brian Willett at Saul Ewing.

  • Series

    Law School's Missed Lessons: Practical Problem Solving

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    Issue-spotting skills are well honed in law school, but practicing attorneys must also identify clients’ problems and true goals, and then be able to provide solutions, says Mary Kate Hogan at Quarles & Brady.

  • Intellectual Property Challenges In AI-Driven Drug Discovery

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    Given the adoption of artificial intelligence-based drug discovery platforms and the U.S. Patent and Trademark Office's recent guidance on determining inventorship in AI-assisted inventions, practitioners must consider unprecedented questions regarding inventorship, patentability standards and infringement liability, says Paul Calvo at Sterne Kessler.

  • Software Patents May Face New Eligibility Scrutiny

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    November guidance from the U.S. Patent and Trademark Office, along with recent litigation trends from the Federal Circuit, may encourage new challenges in the USPTO and district courts to artificial intelligence and software patents that rely on generic computing functions without concrete details, say attorneys at Venable.

  • Opinion

    A Uniform Federal Rule Would Curb Gen AI Missteps In Court

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    To address the patchwork of courts’ standing orders on generative artificial intelligence, curbing abuses and relieving the burden on judges, the federal judiciary should consider amending its civil procedure rules to require litigants to certify they’ve reviewed legal filings for accuracy, say attorneys at Shook Hardy.

  • Riding The Changing Winds For AI Innovations At The USPTO

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    As recent U.S. Patent and Trademark Office moves reshape how artificial intelligence inventions will be examined and put them on firmer eligibility footing, practitioners need to consider how this shift is both an opportunity and a challenge, say Ryan Phelan at Marshall Gerstein and attorney Mark Campagna.

  • Series

    The Law Firm Merger Diaries: Integrating Practice Groups

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    Enacting unified leadership and consistent client service standards ensures law firm practice groups connect and collaborate around shared goals, turning a law firm merger into a platform for growth rather than a period of disruption, says Brian Catlett at Fennemore Craig.

  • Tapping Into Jurors' Moral Intuitions At Trial

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    Many jurors approach trials with foundational beliefs about fairness, harm and responsibility that shape how they view evidence and arguments, so attorneys must understand how to frame a case in a way that appeals to this type of moral reasoning, says Steve Wood at Courtroom Sciences.

  • Patent Disclaimers Ruling Offers Restriction Practice Insights

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    The Federal Circuit's recent decision in Focus Products v. Kartri confirms that prosecution disclaimers can extend to examiner-defined species in restriction practice, making it important for patent practitioners to manage restriction requirement responses carefully to avoid unintended claim scope limitations, say attorneys at BCLP.

  • Opinion

    Supreme Court Term Limits Would Carry Hidden Risk

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    While proposals for limiting the terms of U.S. Supreme Court justices are popular, a steady stream of relatively young, highly marketable ex-justices with unique knowledge and influence entering the marketplace of law and politics could create new problems, say Michael Broyde at Emory University and Hayden Hall at the U.S. Bankruptcy Court for the District of Delaware.

  • Series

    Knitting Makes Me A Better Lawyer

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    Stretching my skills as a knitter makes me a better antitrust attorney by challenging me to recalibrate after wrong turns, not rush outcomes, and trust that I can teach myself the skills to tackle new and difficult projects — even when I don’t have a pattern to work from, says Kara Kuritz at V&E.

  • Eveready Vs. Squirt: How Trademark Surveys Fare In 9th Circ.

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    An analysis of how two consumer surveys for measuring confusion in trademark disputes perform in the Ninth Circuit across pivotal points in trademark cases' progression reveals insights not only on how the two formats stack up against each other, but also how to maximize a survey's effectiveness, say attorneys at Dorsey.

  • Series

    The Biz Court Digest: Welcome To Miami

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    After nearly 20 years in operation, the Miami Complex Business Litigation Division is a pioneer upon which other jurisdictions in the state have been modeled, adopting many innovations to keep its cases running more efficiently and staffing experienced judges who are accustomed to hearing business disputes, say attorneys at King & Spalding.

  • Identifying And Resolving Conflicts Among Class Members

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    As the Fifth Circuit's recent decision in Nova Scotia Health Employees' Pension Plan v. McDermott International illustrates, intraclass conflicts can determine the fate of a class action — and such conflicts can be surprisingly difficult to identify, says Andrew Faisman, a clerk at the U.S. District Court for the Southern District of New York.

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