Law firms – Chat GPT Is Eating the World

Anthropic asks Judge Martinez-Olguin to deem Chicken Soup for the Soul, Cognella lawsuits as related cases to Bartz v. Anthropic

Although Judge Martínez-Olguín expressed doubt of Anthropic’s earlier notice to seek a related case status between Carreyrou v. Anthropic and Bartz v. Anthopic, Anthropic has formally asked the Judge to consider related case status with two recently filed lawsuits Chicken Soup for the Soul v. Anthropic and Cognella, Inc. v. Anthropic. Presumably, because Judge Pitts…
Read more: Anthropic asks Judge Martinez-Olguin to deem Chicken Soup for the Soul, Cognella lawsuits as related cases to Bartz v. Anthropic
In Carreyrou v. Anthropic, Perplexity AI hires Mayer Brown for defense

The Carreyrou v. Anthropic suit filed by book authors who opted out of the class settlement in Bartz v. Anthropic is beginning to crawl forward. Perplexity AI, one of the defendants, is represented by attorneys from Mayer Brown: This is the first AI copyright lawsuit in which Mayer Brown has appeared. One thing is for…
Read more: In Carreyrou v. Anthropic, Perplexity AI hires Mayer Brown for defense
Perplexity AI changes counsel in Dow Jones case to Quinn Emanuel lawyers

Perplexity has switched law firms and lawyers who represent it in the case filed by Dow Jones. Judge Polk Failla approved the change: Perplexity AI, Inc. substitutes Andrew Schapiro of Quinn Emanuel Urquhart & Sullivan LLP as counsel of record in place of Cameron Gibbs, James Day, Eugene Mar. and Michelle Kao of Farella Braun+…
Read more: Perplexity AI changes counsel in Dow Jones case to Quinn Emanuel lawyers
Brief of Amici Curiae Randy Goebel and Larry Ullman dispute “non-generative” AI distinction in ROSS decision

The Brief of Amici Curiae Randy Goebel and Larry Ullman disagree with Judge Bibas’s distinction of “non-generative” AI.
Read more: Brief of Amici Curiae Randy Goebel and Larry Ullman dispute “non-generative” AI distinction in ROSS decision
Updated Map of US copyright suits v. AI (Sept. 11 2025) Cases hit 50.

We updated the Map of US copyright lawsuits against AI companies. We added the just filed suit, Encyclopaedia Britannica v. Perplexity AI. The total lawsuits is now 50 (this number was corrected on Sept. 14, 2025). But 3 were voluntarily dismissed: Brave Software v. Dow Jones, Millette v. Google, and Millette v. NVIDIA. That leaves…
Read more: Updated Map of US copyright suits v. AI (Sept. 11 2025) Cases hit 50.
GW Law Professor Robert Brauneis & other copyright scholars file amicus brief v. Meta’s fair use defense in Kadrey book case

George Washington University Law School Professor Robert Brauneis and other copyright scholars submitted an amicus brief opposing Meta’s fair use defense. This brief can be read as a response to another copyright law scholars brief filed by Harvard Law Professor Rebecca Tushnet in support of Meta’s fair use defense (see Related Stories below). Here’s the…
Read more: GW Law Professor Robert Brauneis & other copyright scholars file amicus brief v. Meta’s fair use defense in Kadrey book case
Tremblay plaintiffs want to file second amended complaint to add Microsoft to the ChatGPT Litigation and other claims. OpenAI opposes.

In the In re OpenAI ChatGPT Litigation, another case in which the David Boies firm appears have taken the lead in the plaintiffs’ case from the Joseph Saveri firm, the plaintiffs are seeking to file a second amended complaint to add Microsoft as a defendant, to expand the scope of works beyond books to include…
Read more: Tremblay plaintiffs want to file second amended complaint to add Microsoft to the ChatGPT Litigation and other claims. OpenAI opposes.
ROSS Intelligence adds trial & appellate lawyers from White & Case to Thomson Reuters suit

After losing on summary judgment in a decision by Judge Bibas, who rejected its fair use defense after once finding it plausible and in need of trial in 2023, ROSS Intelligence added more legal firepower, enlisting both trial and appellate lawyers from White & Case. The trial on the remaining issues (scope of infringement and…
Read more: ROSS Intelligence adds trial & appellate lawyers from White & Case to Thomson Reuters suit
Plaintiffs in In re Mosaic LLM Litigation add more new lawyers from Susman Godrey and Lieff Cabraser.

In the past week, starting on March 6, 2025, the plaintiffs in In re Mosaic LLM Litigation have added 9 new lawyers to their team. Judge Breyer already appointed “the Joseph Saveri Law Firm, LLP as interim lead counsel and Lockridge Grindal Nauen PLLP and Cafferty Clobes Meriwether& Sprengel LLP as the executive committee. The…
Read more: Plaintiffs in In re Mosaic LLM Litigation add more new lawyers from Susman Godrey and Lieff Cabraser.
Meta adds legal firepower to its AI defense: Supreme Court litigators Kannon Shanmugam, William T. Marks of Paul Weiss

Meta is adding Kannon K. Shanmugam and William T. Marks, Supreme Court litigators from Paul Weiss, to its defense team in the Kadrey book authors’ copyright lawsuit filed against Meta. Paul Weiss says: Kannon Shanmugan “has argued 39 cases before the Supreme Court, including 31 cases in private practice. He has also argued over 150…
Read more: Meta adds legal firepower to its AI defense: Supreme Court litigators Kannon Shanmugam, William T. Marks of Paul Weiss

Category: Law firms