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Opening briefs filed in Concord Music Group v. Anthropic I. Follow new page.

The opening briefs for summary judgment motions in Concord Music v. Anthropic I. Responsive briefs have been pushed back due to a temporary stay issued by Judge Lee. We created a new page for you to follow along. Click below to go to the briefs: *Full disclosure: I was a part of Copyright Law Professors’…
Read more: Opening briefs filed in Concord Music Group v. Anthropic I. Follow new page.
Ted Entertainment files 1st Amended Complaint v. Meta. Asserting now 5 types of TPMs for YouTube videos.

YouTube video creator Ted Entertainment filed a First Amended Complaint against Meta for alleged violation of the DMCA anti-circumvention provision. Ted Entertainment now alleges 5 different types of TPMs protecting YouTube videos that Meta allegedly circumvented. This is the same set of allegations Ted Entertainment added to its lawsuit against Bytedance: Expect Ted Entertainment to…
Read more: Ted Entertainment files 1st Amended Complaint v. Meta. Asserting now 5 types of TPMs for YouTube videos.
Judge Pitts scratches John Carreyrou plaintiffs’ and Meta’s idea of referring Cambronne v. Meta to Judge Chhabria for possible related case

It looks like Judge Pitts is keeping Cambronne v. Meta, now severed, at parties’ stipulation. The lawsuit originally was a part of the omnibus copyright lawsuit filed originally by author John Carrreyrou and other books authors who opted out of the Bartz v. Anthropic class settlement. The original lawsuit was basically against all the major…
Read more: Judge Pitts scratches John Carreyrou plaintiffs’ and Meta’s idea of referring Cambronne v. Meta to Judge Chhabria for possible related case
Reddit opposes Perplexity’s, SerpApi’s motion to dismiss

On April 17, Reddit filed its consolidated opposition to the motions to dismiss filed by Perplexity and SerpApi. Excerpt: DOWNLOAD REDDIT’S OPPOSITION Related Story
Read more: Reddit opposes Perplexity’s, SerpApi’s motion to dismiss
Perplexity seeks dismissal of New York Times, Chicago Tribune’s complaints

On April 17, Perplexity filed a consolidated motion to dismiss the First Amendment Complaints of the New York Times and Chicago Tribune. Excerpt: DOWNLOAD PERPLEXITY’S MOTION TO DISMISS
Read more: Perplexity seeks dismissal of New York Times, Chicago Tribune’s complaints
Third Circuit orders Thomson Reuters, ROSS Intelligence to file supplemental briefs on Third Circuit’s recent decision finding likely fair use by UpCodes

The Clerk of the Third Circuit just posted an order by the Third Circuit in Thomson Reuters v. ROSS Intelligence, an interlocutory appeal over (1) whether Westlaw headnotes used by ROSS were copyrightable expression (or lacked originality) and (2) whether ROSS’s use of some headnotes to train its AI model was a fair use: “At…
Read more: Third Circuit orders Thomson Reuters, ROSS Intelligence to file supplemental briefs on Third Circuit’s recent decision finding likely fair use by UpCodes
Judge Lee stays Concord Music v. Anthropic I 90 days. Summary judgment hearing moved from July to Oct. 21

Due to complications created by Concord Music’s recent effort to voluntarily dismiss its 2 claims for secondary liability, along with the coordination of the recently filed related cases in Concord Music v. Anthropic II and BMG Rights Management v. Anthropic, Judge Lee sua sponte ordered a 90 day temporary stay of all the cases (except…
Read more: Judge Lee stays Concord Music v. Anthropic I 90 days. Summary judgment hearing moved from July to Oct. 21
Elon Musk drops fraud claims v. Sam Altman, OpenAI, leaving only breach of charitable trust, unjust enrichment. Trial of the Century starts on Monday, April 27

On Monday, April 27 the Trial of the Century in Elon Musk v. Sam Altman will begin with jury selection. On the eve of trial, Elon Musk has agreed to drop his fraud and constructive fraud claims, which he had suggested he would do in his proposed jury instructions. Musk says it would help streamline…
Read more: Elon Musk drops fraud claims v. Sam Altman, OpenAI, leaving only breach of charitable trust, unjust enrichment. Trial of the Century starts on Monday, April 27
Judge Stein grants stay, putting on shelf copyright suits filed by Encyclopaedia Britannica, Merriam’s Dictionary, Gracenote v. OpenAI.

On April 21, 2026, Judge Stein granted by joint stipulation of the parties in Encyclopaedia Britannica v. OpenAI and Gracenote v. OpenAI. The cases will be put on the shelf, for now. These cases were filed very late and the rest of the MDL Litigation v. OpenAI is nearing the end of discovery. “JOINT STIPULATION…
Read more: Judge Stein grants stay, putting on shelf copyright suits filed by Encyclopaedia Britannica, Merriam’s Dictionary, Gracenote v. OpenAI.
Hayk Esaghoulyan to represent Dario Amodei, Benjamin Mann in Concord Music v. Anthropic II lawsuit that named them as defendants

Hayk Esaghoulyan of Conrad Meltlizky Kane law firm filed a notice of appearance in the Concord Music v. Anthropic II lawsuit to represent Dario Amodei and Benjamin Mann, co-founders of Anthropic. Esaghoulyan’s firm webpage states: “Hayk Esaghoulyan is an Associate at Conrad|Metlitzky|Kane. His practice includes complex civil litigation, government and internal investigations, and white-collar criminal defense.…
Read more: Hayk Esaghoulyan to represent Dario Amodei, Benjamin Mann in Concord Music v. Anthropic II lawsuit that named them as defendants
Consolidated copyright complaint v. Adobe in Lyon lawsuit filed as Adobe executives hit with breach of fiduciary lawsuit by shareholder SEIU Pension Plan Master Trust based on Adobe’s AI training with copyrighted works. AI- copyright-shareholder derivative suits the next battleground for copyright?

Book authors Lyon and Kleiner filed their consolidated copyright complaint against Adobe. But the bigger news was a novel shareholder derivative action filed by SEIU Pension Plan Master Trust, a shareholder of Adobe, against Shantanu Narayen and other Adobe executives. The plaintiff’s theory is that Adobe executives breached their fiduciary duty by training their AI…
Read more: Consolidated copyright complaint v. Adobe in Lyon lawsuit filed as Adobe executives hit with breach of fiduciary lawsuit by shareholder SEIU Pension Plan Master Trust based on Adobe’s AI training with copyrighted works. AI- copyright-shareholder derivative suits the next battleground for copyright?
Getty Images mostly wins, surviving motion to dismiss claims except for DMCA CMI claim. But can amend that claim in light of Judge Thompson’s ruling.

Judge Thompson denied most of Stability AI’s motion so dismiss Getty Images’ Complaint. The only that was dismissed was the DMCA CMI 1202(a) due to failure of allegations of intentional removal: “However, the four corners of the Complaint lack allegations to suggest a specific intent to induce, enable, facilitate, or conceal the infringement. Rather, the…
Read more: Getty Images mostly wins, surviving motion to dismiss claims except for DMCA CMI claim. But can amend that claim in light of Judge Thompson’s ruling.
Parties in UMG Recordings v. Suno quibble over Judge Helllerstein’s denial of motion to dismiss DMCA claim in suit v. Udio

The parties in UMG Recordings v. Suno filed dueling letters explaining the recent decision by Judge Hellerstein to deny Unhcarted Labs’ claims by Sony Music Entertainment for DMCA anti-circumvention related to YouTube videos. At least on the surface, the decision is helpful to UMG Recordings. Suno, however, takes issue with the court’s analysis in the…
Read more: Parties in UMG Recordings v. Suno quibble over Judge Helllerstein’s denial of motion to dismiss DMCA claim in suit v. Udio
Ted Entertainment, Chmura copyright suits v. Snap now consolidated

Judge Birotte Jr. has granted the parties’ stipulation to consolidate: (1) Ted Entertainment v. Snap and (2) Chmura v. Snap. The Court also appointed Interim Co-Lead Class Counsel:(1) Tom Kherkher of ELLZEY KHERKHER SANFORD MONTGOMERY LLP and (2) William J. Edelman of MILBERG, PLLC. DOWNLOAD THE ORDER
Read more: Ted Entertainment, Chmura copyright suits v. Snap now consolidated
Book authors Josie Brown, Katia Lief, Jacinda Townsend Gides join Darius H. James in copyright suit v. Together Computer over assembling RedPajama books dataset

Book authors Josie Brown, Katia Lief, and Jacinda Townsend Gides have joined book author Darius H. James in the copyright lawsuit against Together Computer. The lawsuit focuses on Together Computer’s alleged responsibility for the RedPajama books dataset used for AI training. DOWNLOAD THE REDLINED VERSION OF THE 1ST AMENDED COMPLAINT DOWNLOAD THE FIRST AMENDED COMPLAINT
Read more: Book authors Josie Brown, Katia Lief, Jacinda Townsend Gides join Darius H. James in copyright suit v. Together Computer over assembling RedPajama books dataset

Case Briefing We Track

Copyright Dilution Under Constitutional Scrutiny

Fair Use and the Origin of AI Training

Master List of Lawsuits v. AI

last updated Dec. 5, 2025.

US Map of Copyright Lawsuits v. AI

last updated April 3, 2026. Current total = 100 suits in U.S.

World Map of Copyright Lawsuits v. AI

last updated April 5, 2026. Current total = 130 copyright suits = 100 in U.S. + 30 in rest of world.

Infographic of AI companies sued

In need of updating TBA

Status of Copyright Lawsuits v. AI

The Shadow Library Strategy

Master Chart of Claims in Cases

Last updated Mar. 31, 2026

Tort Lawsuit Case Tracker

List of AI bills before Congress

Opinion: How courts should analyze authorship with AI

US Copyright Office registers copyright of AI-generated image

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