Intellectual Property

  • 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.

  • April 21, 2026

    Copyright Head Touts 6,000 Registrations Of Human-AI Works

    The U.S. Copyright Office has issued more than 6,000 registrations for works that incorporate artificial intelligence-generated materials and follow the agency's guidance for combined human-made and AI-created works, U.S. Copyright Office leader Shira Perlmutter said Tuesday.

  • 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

    Congress Rallies More For Bills On Copyrights Than Patents

    There have been more intellectual property bills floated in Congress that are supportive of copyright rights than patent rights, according to a new report looking at how lawmakers treat the IP system.

Expert Analysis

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

    Author Photo

    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

    Author Photo

    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

    Author Photo

    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.

  • 6 Ways To Nuke-Proof Litigation As Explosive Verdicts Rise

    Author Photo

    As the increasing number of nuclear verdicts continues to reshape the litigation landscape, counsel must understand how to create a multipronged defense strategy to anticipate juror expectations and mitigate the risk of outsize jury awards, say attorneys at Norton Rose.

  • What Law Firm Liability Risks In 2025 Signal For Year To Come

    Author Photo

    Trends and statistics reveal that law firms of all sizes and practice areas remained attractive litigation targets this year, so firms must take concrete steps to avoid professional liability risks in the year to come, say Douglas Richmond and Andrew Ricke at Lockton Companies.

  • Adapting To A Plaintiff-Side Mindset For Patent Monetization

    Author Photo

    A recent decrease in risk for patent owners at the U.S. Patent and Trademark Office, combined with increased corporate interest in monetizing patent assets, creates an attractive case for evaluating patents from a plaintiff-side mindset, but in-house counsel transitioning from a defense-side mindset to a plaintiff-side mindset should study certain considerations, says Kate Tellez at Steptoe.

  • AI Evidence Rule Tweaks Encourage Judicial Guardrails

    Author Photo

    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

    Author Photo

    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.

  • Opinion

    Horizontal Stare Decisis Should Not Be Casually Discarded

    Author Photo

    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.

  • Grounding Netflix's 'Death By Lightning' In Patent History

    Author Photo

    In Netflix’s "Death by Lightning," U.S. President James Garfield's assassin declares that patent lawyers lack original ideas, but real-life 19th-century patent attorney-inventors were key to technological progress and the success of the American patent system, say Tasha Gerasimow at Kirkland & Ellis and David Gerasimow at Gerasimow Law.

  • How Fed. Circ. Shaped Subject Matter Eligibility In 2025

    Author Photo

    The Federal Circuit's most impactful patent eligibility decisions this year, touching on questions about obviousness and abstractness, provide a toolbox of takeaways that can be utilized during patent preparation and prosecution to guard against potential challenges, says Reilley Keane at Banner Witcoff.

  • 10 Commandments For Agentic AI Tools In The Legal Industry

    Author Photo

    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.

  • Fed. Circ. In Oct.: Spotlight On Wording Beyond Patent Claims

    Author Photo

    The Federal Circuit's recent decision in Barrette Outdoor Living v. Fortress Iron provides useful guidance on how patent prosecutors should avoid language that triggers specification disclaimer and prosecution disclaimer, doctrines that may be used to narrow the scope of patent infringement claims, say attorneys at Knobbe Martens.

  • Series

    Preaching Makes Me A Better Lawyer

    Author Photo

    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.

  • How Large Patent Damages Awards Actually Play Out

    Author Photo

    Most large verdicts in patent infringement cases are often overturned or reduced on appeal, implying that the Federal Circuit is serving its intended purpose of correcting outlier outcomes, and that the figures that catch headlines and dominate policy debates may misrepresent economic realities, says Bowman Heiden at Berkeley School of Law.

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 Intellectual Property archive.