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Intellectual Property
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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
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Assessing EcoFactor's Impact On Damages Experts' Opinions
Though the Federal Circuit's ruling in EcoFactor v. Google gave rise to concerns that damages experts would be forced to rely on undisputed facts, recent case law suggests that those concerns are unwarranted, says Christopher Loh at Venable.
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7 Mistakes To Avoid When Using Trial Graphics
With several federal district judges recently expressing frustration with the overuse of PowerPoint slides in trial presentations, now is a good time for lawyers to assess when and how they use visuals to make sure their messages are communicated as effectively as possible, say Mark Rosman at Proskauer and Dan Bender at Digital Evidence Group.
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Defense Contractor Tips For Commercial Solutions Openings
Defense contractors interested in participating in the Army’s recently announced commercial solutions opening should familiarize themselves with the process, which promotes flexibility but requires prudence in preparing proposals, negotiating award terms, and crafting supporting documents such as teaming agreements and subcontracts, say attorneys at Holland & Knight.
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Opinion
State Bars Need To Get Specific About AI Confidentiality
Lawyers need to put actual client information into artificial intelligence tools to get their full value, but they cannot confidently do so until state bars offer clear, formal authority on which plan tiers of the three most popular generative AI tools are safe to use when sharing specific client details, says attorney Nick Berk.
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The Federal Circuit's Evolving View Of Trade Secrets
In recent years, the Federal Circuit's approach to defining "readily ascertainable" information and determining sufficiency of trade secret identification has shifted, trending away from other circuits and potentially presenting a higher bar for trade secrets plaintiffs, say attorneys at MoFo.
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Human Authorship Is Still Central To Copyright Eligibility
In declining to review the D.C. Circuit's ruling in Thaler v. Perlmutter — holding that a work purely generated by artificial intelligence cannot be copyrighted — the U.S. Supreme Court has reinforced the human authorship requirement, so it is critical for creators of AI-assisted projects to document their involvement, say attorneys at Morgan Lewis.
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Series
Alpine Skiing Makes Me A Better Lawyer
Skiing has shaped habits I rely on daily as an attorney — focus, resilience and the ability to remain steady when circumstances shift rapidly — and influences the way I approach legal strategy, client counseling and teamwork, says Isaku Begert at Marshall Gerstein.
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2 Strands Of Patent Law In High Court's 'Skinny Label' Case
Amarin v. Hikma, which is set for oral argument in the U.S. Supreme Court this month, highlights the distinction between two different strands of intellectual property law — analogizing a patent to either a property deed or a home, says Jonas McDavit at Spencer West.
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Axed Trade Secret Award Cautions Against Bundling Damages
The Fifth Circuit's recent ruling in Trinseo v. Harper, vacating a $75 million jury verdict for trade secret misappropriation due to a bundled damages model, offers a strong reminder to apportion damages so a jury can award a nonspeculative figure when it credits only some alleged secrets, say attorneys at Seyfarth.
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PTAB Memo Recenters Discretion On US Manufacturing
Read alongside recent Federal Circuit decisions, U.S. Patent and Trademark Office Director John Squires' memo on patent denial considerations emphasizes domestic manufacturing in a way that the International Trade Commission does not require, says Brandon Theiss at Volpe Koenig.
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What A Court Doc Audit Reveals About Erroneous Filings
My audit of 1,522 court documents from last month found that over 95% contained at least one verifiable error, with fewer than 1% showing clear indicators of artificial intelligence use — highlighting above all else that lawyers may want to focus most on strengthening their review processes, says Elliott Ash at ETH Zurich.
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Similar-Looking Designs May Not Always Prove Infringement
The Federal Circuit's recent decision in Range of Motion Products v. Armaid is a reminder that even a strikingly similar design might not be found to infringe upon a patented design once design features driven by functionality are filtered out from consideration, say attorneys at BCLP.
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Apple Verdict May Inform Jury Instruction In Patent Suits
A Texas federal jury's recent verdict in Optis v. Apple provides an important example of how juries must be instructed when Step 2 of the Alice framework is submitted to them, with important implications for both litigators and courts in patent cases, says Joshua Reisberg at Blank Rome.
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Justices May Hesitate To Limit Courts' Arbitration Review
Based on Monday's argument in Jules v. Andre Balazs, the U.S. Supreme Court seems poised to preserve federal jurisdiction over arbitral award enforcement stemming from actions originated in federal court, a holding that would markedly limit the court's 2022 Walters v. Badgerow decision, says Ashwini Jayaratnam at DarrowEverett.
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Series
Ultramarathons Make Me A Better Lawyer
Completing a 100-mile ultramarathon was tougher, more humbling and more rewarding than I ever imagined, and the experience highlighted how long-distance running has sharpened my ability to adapt to the evolving nature of antitrust law and strengthened my resolve to handle demanding, unforeseen challenges, says Dan Oakes at Axinn.