-
September 30, 2026
PHILADELPHIA — A Third Circuit U.S. Court of Appeals on Sept. 29 issued a judgment announcing a sealed opinion affirming summary judgment for legal publisher Thomson Reuters Enterprise Centre GMBH on claims that Ross Intelligence Inc. trained its artificial intelligence on copyrighted material.
-
September 30, 2026
FORT MYERS, Fla. — A federal magistrate judge in Florida rejected a request for $215,401.60 in fees and instead ordered an attorney in a dispute between two medical marijuana companies to pay $6,720 in attorney fees spent responding to fictitious citations in his motion.
-
September 30, 2026
SAN FRANCISCO — A legal advocacy group filed suit Sept. 29 in a California court under the state’s unfair competition law seeking to enjoin OpenAI entities’ artificial intelligence models from accessing computers, networks or systems without authorization in the wake of allegations that the company’s AI agents hacked third-party websites.
-
September 29, 2026
WASHINGTON, D.C. — A majority of a divided District of Columbia Circuit U.S. Court of Appeals panel said petitions for review involving artificial intelligence raise “profoundly difficult questions” but ultimately determined that the government had ample reasons to conclude that continued integration of Anthropic PBC’s Claude AI product posed a national security and supply-chain risk.
-
September 29, 2026
SAN FRANCISCO — A ruling vacating an injunction prohibiting Perplexity AI Inc.’s agentic artificial intelligence from accessing Amazon.com Services LLC’s website will stand after the Ninth Circuit U.S. Court of Appeals declined en banc rehearing.
-
September 25, 2026
BANGOR, Maine — A motion for leave to file an oversize motion for a new trial clearly came from artificial intelligence and lacks the precision that a human lawyer must ensure court filings contain, a federal judge in Maine said.
-
September 24, 2026
BOISE, Idaho — The Idaho Supreme Court warned that litigants’ reliance on artificial intelligence is “fraught with potential peril” while ultimately declining to impose any sanction on a pro se litigant and affirming a $1,176,000 defamation judgment.
-
September 22, 2026
OXFORD, Miss. — The United States is appealing to the Fifth Circuit U.S. Court of Appeals a Mississippi federal judge’s “constructive denial” of an amended motion to intervene as of right as a plaintiff and dismiss a federal lawsuit filed by the NAACP against xAI Corp. and an energy infrastructure affiliate alleging Clean Air Act (CAA) violations involving the state’s federally approved implementation plan over construction and operation of dozens of gas combustion turbines that power a Memphis, Tenn., data center.
-
September 22, 2026
SAN FRANCISCO — Two Canadian entities sued various OpenAI entities on Sept. 21, accusing them of negligence and strict products liability, claiming that a single phone call by the defendants to officials could have prevented a February shooting at Tumbler Ridge Secondary School.
-
September 22, 2026
SAN FRANCISCO — Four companies at the frontier of large language model development should not be able to agree to slow the development of artificial intelligence simply because the products are new, a proposed class alleges in a suit filed in California federal court.
-
September 16, 2026
BURLINGTON, Vt. — A federal judge in Vermont barred the state from continuing an investigation into what appears to be an artificial intelligence-created video of a man dumping a politician into a dumpster, saying the “ridiculous nature” of the video means it likely falls under an exception to a recently enacted law on synthetic media and the investigation would violate speech rights.
-
September 15, 2026
CHICAGO — Google LLC must face a limited public figure’s claim that the company’s AI Overviews reported that he was serving a life sentence for the murder of three women, a federal judge in Illinois said Sept. 14 in partially denying a motion to dismiss, rejecting the artificial intelligence (AI) company’s arguments that the defamation case failed because the statements contained disclaimers, expressed uncertainty, cited sources and could not be taken as a statement of fact.
-
September 15, 2026
SAN FRANCISCO — A federal magistrate judge declined to order nonparties Anthropic PBC and OpenAI OpCo LLC to produce information related to market substitution, licensing and torrenting practices, finding that differences in the artificial intelligence models and relevance issues defeat discovery efforts in a trio of copyright cases against Meta Platforms Inc.
-
September 11, 2026
RICHMOND, Va. — A geofence warrant case in which the U.S. Supreme Court remanded questions concerning particularity, probable cause and the good faith exception to the Fourth Amendment’s exclusionary rule continues to draw a lot of attention, with amici curiae filing six briefs supporting appellant Okello Chatrie in the Fourth Circuit U.S. Court of Appeals; one of the briefs comes from law professors who warn that allowing “broad geofence queries . . . will help clear the way for prosecutors to explore the dragnet possibilities of conducting reverse searches of chatbot data, as they have with keyword search data.”
-
September 10, 2026
FORT PIERCE, Fla. — Florida’s suit against OpenAI entities will be litigated in state court after a federal judge in Florida said the court lacks jurisdiction over state consumer protection law claims based on violation of a federal law and that complete preemption does not apply.
-
September 09, 2026
LOS ANGELES — A lawyer must explain at an upcoming hearing how three court documents ended up containing erroneous quotations and references to the complaint despite her declaration under penalty of perjury that she either didn’t use artificial intelligence or used it in limited ways, a federal judge in California said.
-
September 09, 2026
ALAMEDA, Calif. — A man facing murder charges filed a civil complaint in California state court accusing Flock Group Inc., which operates automated license plate recognition (ALPR) technology and AI software, and two law enforcement officials of withholding relevant Flock data from the court where the prosecution is taking place, allegedly in violation of his due process rights and California’s unfair competition law (UCL).
-
September 08, 2026
WASHINGTON, D.C. — An appellate court in the District of Columbia struck a law firm’s appellee brief in a foreclosure case brought by a pro se plaintiff as a sanction for artificial-intelligence-generated errors, while a concurring judge warned that fake citations are just the “tip of a perilous iceberg” and said the court may want to consider allowing harsher penalties for such conduct.
-
September 08, 2026
SAN JOSE, Calif. — A plaintiff in a newly filed lawsuit claims that because X.AI’s Grok artificial intelligence lacks adequate guardrails, users were able to use the product to turn existing child pornography of her into new material. The plaintiff asks that her suit be related to three other actions involving Grok-generated images.
-
September 03, 2026
ATLANTA — An attorney submitted court documents with fake citations and misstated authorities, initially told the court he didn’t use artificial intelligence and then, in a “disingenuous” move, argued that he simply didn’t realize which cases the court was inquiring about, a federal judge in Georgia said in imposing an $8,000 sanction for the conduct.
-
September 02, 2026
TAMPA, Fla. — An exhibit purported to be a translated text message between a man and another individual cannot be authenticated because the translator relied on artificial intelligence to assist and was himself the sender of the message, a federal magistrate judge in Florida said in rejecting the evidence after a bench trial on contract claims.
-
September 02, 2026
LAS VEGAS — The United States knew that an expert used artificial intelligence to sharpen the grammar and sentence structure in his report for more than two months before attempting to extend a deadline to respond, a federal magistrate judge said Sept. 1 in declining to reopen discovery.
-
September 01, 2026
SAN FRANCISCO — The terms of subscription plans clearly referred to additional per-session use of the Claude artificial intelligence and would not have misled a reasonable consumer, and the “impermissible leaps” required to conclude otherwise doom a man’s California unfair competition law claims as well, Anthropic PBC told a federal judge in California in urging dismissal of a lawsuit with prejudice.
-
August 31, 2026
SAN FRANCISCO — The U.S. government’s designation of Anthropic PBC as a supply chain risk based on the company’s public comments about safe uses of its Claude artificial intelligence violates free speech and due process protections and constitutes an arbitrary and capricious agency action, a federal judge in California said in mostly granting the company’s motion for summary judgment and denying the government’s cross-motion.
-
August 27, 2026
MADISON, Wis. — U.S. Supreme Court precedent allowing in-home possession of obscene material bars the government from attempting to convict a man of possession of artificial intelligence-generated child sexual abuse material, a Seventh Circuit U.S. Court of Appeals panel said. In a concurrence, a judge of the court recognized that controlling precedent required the outcome but said that courts would be well served by additional U.S. Supreme Court guidance given technology’s advances since its last ruling.