Viral Startup Lawsuits: AI Copyright, Founder Fraud, and Musk

The startup lawsuits going viral in 2025 and 2026 cluster around four storylines: AI companies accused of training models on pirated or copyrighted material, founders charged with fabricating metrics to raise venture money, Elon Musk’s failed trial against OpenAI, and a new frontier of cases testing whether AI products can be blamed for real-world harm. A handful of older disputes, including Whitney Wolfe Herd’s suit against Tinder, continue to shape how founders, investors, and the public think about startup conflict.

The AI Copyright Wave

By the end of 2025, nearly 70 copyright lawsuits were pending against AI developers, and the number has kept climbing in 2026.¹ They range from individual author suits to consolidated actions involving Hollywood studios, record labels, and major news organizations.

Anthropic’s $1.5 Billion Settlement

The case that drew the most attention is Bartz v. Anthropic, filed in August 2024 in the Northern District of California by authors Andrea Bartz, Kirk Wallace Johnson, and Charles Graeber. The plaintiffs alleged Anthropic downloaded over seven million copyrighted books from “shadow libraries” — pirate repositories known as Library Genesis and Pirate Library Mirror — to train its Claude models.²

In June 2025, Judge William Alsup ruled that training an AI model on legally acquired books is “quintessentially transformative” and qualifies as fair use, but that downloading pirated copies does not get the same protection.¹ That ruling drove a $1.5 billion settlement announced in September 2025, covering roughly 482,460 works with U.S. copyright registrations. Eligible titles should yield around $3,000 each, split 50/50 between authors and publishers by default; self-published authors and those who reverted their rights receive the full share.² Anthropic also agreed to destroy its copies of the pirated material.³

Observers have called it the largest copyright settlement in U.S. history. The final fairness hearing is scheduled for May 14, 2026. Some prominent authors, including John Carreyrou, have opted out to pursue independent claims.⁴ The case has popularized what commentators call the “Shadow Library Strategy,” focused on how training data was acquired rather than whether AI training itself infringes.¹

Hollywood, Record Labels, and Image Generators

On June 11, 2025, Disney, NBC Universal, and DreamWorks filed a 110-page complaint against Midjourney in the Central District of California, alleging “mass piracy.” The complaint called Midjourney “a quintessential copyright free-rider and a bottomless pit of plagiarism,” saying the platform could reliably generate recognizable images of Darth Vader, Elsa from Frozen, Spider-Man, and the Minions without complex prompts.⁵ The studios also alleged Midjourney refused to implement safeguards against character reproduction despite filtering for violence and nudity.⁶ It was the first time major Hollywood studios collectively sued an AI company. Disney’s chief legal officer said: “Piracy is piracy, and the fact that it’s done by an AI company does not make it any less infringing.”⁷ The case remains in its early stages.

Music ran a parallel track. In June 2024, Sony Music, Universal Music Group, and Warner Records sued AI music startups Suno and Udio, alleging mass copyright infringement and seeking up to $150,000 in statutory damages per song.⁸ The complaints cited examples of AI output recreating recognizable elements of songs like “My Girl” and “All I Want for Christmas Is You.”⁹ UMG and Warner settled with Udio in October 2025 through licensing deals that let artists opt in to AI-generated music services. Warner then settled with Suno in November 2025, requiring the company to phase out its current models and launch new ones trained on licensed material.¹

News Publishers vs. Perplexity and OpenAI

Perplexity AI has been sued by the Chicago Tribune, The New York Times, and Encyclopedia Britannica, all in 2025.¹ CNN joined in May 2026, filing in the Southern District of New York and alleging Perplexity scraped more than 17,000 CNN stories, videos, and images, and attributed AI “hallucinations” to CNN’s reporting.¹⁰ Perplexity has maintained that “you can’t copyright facts.”¹¹

OpenAI faces a larger consolidated fight. The New York Times sued OpenAI and Microsoft in December 2023, and the case is now part of a multidistrict litigation in the Southern District of New York that pulls together more than a dozen complaints, including one from the Authors Guild. In 2026 the court ordered OpenAI to produce tens of millions of output logs.¹² No trial date has been set, and analysts consider a settlement likely given the Anthropic precedent.¹³

Founders Charged With Fraud

A second storyline features founders accused of lying to investors about what their companies did or earned. Several cases landed in quick succession.

Nate: AI That Was Actually People

In April 2025, federal prosecutors in the Southern District of New York charged Albert Saniger, former CEO of nate Inc., with securities fraud and wire fraud, with the SEC filing a parallel civil action. Saniger raised more than $42 million by marketing the nate app as an AI tool that could complete online purchases autonomously with a “single tap.”¹⁴ The indictment alleges the app’s actual automation rate was “effectively zero percent,” with hundreds of manual contractors in the Philippines processing transactions. The SEC says investors lost “substantially all their investments.”¹⁵ Both cases are pending.¹⁶

CaaStle: $300 Million in Fake Numbers

Christine Hunsicker, founder and former CEO of fashion-tech startup CaaStle, pleaded guilty to securities fraud in March 2026 in what prosecutors called a “$300 million fraud scheme.” She fabricated income statements, audit reports, and bank records, at one point claiming nearly $200 million in bank cash when the actual balance was less than $200,000.¹⁷ CaaStle had raised more than $600 million and reached a peak valuation of $1.25 billion in 2018. The SEC alleges Hunsicker overstated revenue by more than 7,300 percent and that CaaStle was never profitable.¹⁸ The company filed for Chapter 7 bankruptcy in June 2025. Hunsicker faces up to 20 years at her August 2026 sentencing and agreed to forfeit nearly $300 million.¹⁹

Kalder: Two Sets of Books

Gökçe Güven, founder and CEO of fintech startup Kalder Inc., pleaded guilty to securities fraud on May 15, 2026, in the Southern District of New York. Prosecutors said she maintained two sets of financial records — one accurate and one inflated — to deceive more than a dozen venture investors during a seed round that raised about $7 million starting in April 2024. She also allegedly forged brand-partner contracts and claimed $1.2 million in annual recurring revenue when the real number was far lower. Prosecutors added immigration fraud charges, alleging she secured an O-1A “extraordinary ability” visa with fabricated documents. Sentencing is scheduled for September 17, 2026, before Judge Lewis A. Kaplan.²⁰

Other Founder Fraud Cases

Frank: Charlie Javice and executive Olivier Amar were found guilty in March 2025 of defrauding JPMorgan Chase of $175 million in the acquisition of the financial-aid startup.²¹
GameOn Inc.: Founder Alexander Beckman was indicted in January 2025 for allegedly defrauding investors of more than $60 million through forged bank statements and audit reports. Court filings suggest the parties may be moving toward guilty pleas.²²
IRL: SoftBank sued founder Abraham Shafi for $150 million over allegedly inflated user-growth metrics at the social app, and Shafi faces separate federal charges for securities fraud, wire fraud, and obstruction of justice.²³
AllHere Education: CEO Joanna Smith-Griffin was indicted in November 2024 for securities fraud after allegedly claiming $3.7 million in 2020 revenue when actual revenue was $11,000.²¹

Musk vs. OpenAI

In May 2026, a nine-member advisory jury in Oakland unanimously rejected Elon Musk’s $150 billion lawsuit against OpenAI, Sam Altman, Greg Brockman, and Microsoft. Musk alleged the defendants “stole a charity” by pivoting OpenAI from its nonprofit mission to a for-profit structure backed by Microsoft.²⁴

After a three-week trial that featured testimony from Altman, Musk, and Microsoft CEO Satya Nadella, the jury deliberated less than two hours and found that Musk filed his claims after the statute of limitations expired. Judge Yvonne Gonzalez Rogers dismissed the case without ruling on the merits of the breach-of-charitable-trust allegations.²⁵ OpenAI’s defense called the suit a “hypocritical attempt to sabotage a competitor,” pointing out that Musk himself had previously proposed converting OpenAI into a for-profit entity. Musk called the outcome a “calendar technicality” and said he would appeal. Antitrust claims against OpenAI and Microsoft remain pending, though Judge Gonzalez Rogers has expressed skepticism about their viability.²⁶

AI Products and Real-World Harm

Two cases are pushing on whether AI companies can be held liable when their products are linked to harm.

In Garcia v. Character Technologies, filed in the Middle District of Florida, the family of a teenager who became dependent on a Character AI chatbot brought a wrongful death suit against the company, its co-founders, and Google. In May 2025, the court denied Character AI’s motion to dismiss, with the judge saying she was “not prepared to hold that [LLM] output is speech” protected by the First Amendment. The case is in discovery, and Character AI has sought permission to appeal that ruling immediately.²⁷ Plaintiff Megan Garcia testified at the first Senate hearing on AI chatbot harms in September 2025.²⁸

In April 2026, seven families of victims of a mass shooting in Tumbler Ridge, Canada, sued OpenAI and Sam Altman in federal court in Northern California. The complaints allege OpenAI’s automated systems flagged the shooter’s ChatGPT account in June 2025 for discussions about gun violence, that a safety team recommended notifying law enforcement, and that leadership overruled the recommendation and simply deactivated the account. The shooter then allegedly created a second account. The families are seeking damages and a court order requiring design changes, including law-enforcement notification protocols and measures to stop deactivated users from opening new accounts.²⁹ Altman publicly apologized for the company’s failure to alert authorities.³⁰

Trade Secrets and a Massive Data Breach

Electric-jet startup Zunum Aero sued Boeing after the aerospace company invested in Zunum in 2017, gained access to its trade secrets, and allegedly used that information to advance Boeing’s own hybrid-electric aircraft program while undermining Zunum’s negotiations with Safran. A jury awarded Zunum approximately $81.2 million. The trial court initially vacated the verdict, but in August 2025 the Ninth Circuit unanimously reinstated the full damages award and ordered the case reassigned to a different district judge after concerns arose about delayed disclosure of Boeing stock purchases by the original judge’s spouse.³¹³²

AI staffing startup Mercor faces at least seven class actions after a March 2026 data breach that allegedly exposed roughly four terabytes of contractor data, including recorded job interviews, facial biometric information, background checks, and screenshots captured from workers’ computers through monitoring software. Plaintiffs allege Mercor used recorded interviews to train AI models and routed applicant data through opaque scoring systems without giving workers the ability to review or dispute the results. The breach reportedly exposed proprietary data from contractors’ other employers as well. Mercor has denied the allegations, calling them “speculative.”³³

The Case That Started a Company

Long before AI lawsuits took over the headlines, one startup dispute had already gone viral and launched a new company in the process. In 2014, Whitney Wolfe Herd filed a sexual harassment lawsuit against Tinder and parent company IAC, alleging harassment by co-founder Justin Mateen and CEO Sean Rad after a breakup and the stripping of her co-founder title. The case settled for about $1 million plus stock, with no admission of wrongdoing.³⁴ The settlement barred Wolfe Herd from speaking publicly about her time at Tinder.³⁵ Within months, she co-founded Bumble, which she later took public at a valuation of over $8 billion.³⁶

1
Copyright Alliance. AI Copyright Lawsuit Developments
2
Authors Guild. What Authors Need to Know About the Anthropic Settlement
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Lieff Cabraser. Authors Secure 1.5 Billion Settlement in Landmark AI Piracy Case
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Authors Alliance. AI Class Action Litigation Update: Books — Where Things Stand in Early 2026
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Georgetown Tech Institute. Disney, NBC Universal, and DreamWorks File Major IP Lawsuit Against AI Image Generator Midjourney
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It’s Art Law. Framing the Future: Disney and Universal Challenge Midjourney Over AI-Generated Imagery
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BBC. Disney and Universal Sue Midjourney Over AI Images
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RIAA. Record Companies Bring Landmark Cases for Responsible AI Against Suno and Udio
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CNBC. Music Labels Sue AI Companies Suno, Udio for US Copyright Infringement
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Bloomberg Law. CNN Latest News Outlet to Sue Perplexity AI Over Data Scraping
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Fast Company. Perplexity AI Sued by CNN for Allegedly Copying Over 17,000 Pieces of Content Without Permission
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Norton Rose Fulbright. AI in Litigation Series: An Update on AI Copyright Cases in 2026
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AI Business. AI Lawsuits in 2026: Settlements, Licensing Deals, Litigation
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U.S. Department of Justice. Tech CEO Charged in Artificial Intelligence Investment Fraud Scheme
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SEC. Complaint: SEC v. Albert Saniger
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SEC. SEC Litigation Release LR-26282
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U.S. Department of Justice. CaaStle Founder Pleads Guilty to 300 Million Fraud Scheme
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SEC. SEC Litigation Release LR-26352
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The New York Times. CaaStle Fraud Christine Hunsicker
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U.S. Department of Justice. Kalder CEO Pleads Guilty to Securities Fraud
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Startup Litigation Substack. Startup Litigation Digest
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U.S. Department of Justice. U.S. v. Alexander Beckman et al.
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Fortune. Tech CEO VCs Unicorn IRL Fraud SoftBank
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The New York Times. OpenAI Trial Verdict Altman Musk
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NPR. Musk Altman OpenAI Jury Verdict Claims Dismissed
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CNBC. Musk Altman OpenAI Trial Verdict
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Center for Humane Technology. Litigation Case Study: Character AI and Google
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U.S. Senate Judiciary Committee. Garcia Testimony
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CNN. OpenAI Tumbler Ridge Canada Shooting Lawsuits
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NPR. Tumbler Ridge Mass Shooting ChatGPT Lawsuit
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Reuters. US Court Reinstates 81 Million Award Against Boeing in Trade Secrets Case
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Knobbe Martens. Startups, Trade Secrets, and Aerospace: Ninth Circuit Restores 81.2M Verdict in Zunum Boeing Lawsuit
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Wall Street Journal. Mercor AI Startup Personal Data Lawsuit
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Business Insider. Whitney Wolfe Settles Sexual Harassment Tinder Lawsuit
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BBC. Whitney Wolfe Herd