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AI Law Wiki News for August 28, 2026

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August 28, 2026 — The Computer & Communications Industry Association, NetChoice, and AI Progress filed an amicus brief in In re Mosaic LLM Litigation, asking the Northern District of California to hold that generative-AI training on copyrighted material is fair use.[1][2] The Arizona Supreme Court rejected a petition for a moratorium on judges’ use of generative AI in core judicial work, allowing regulated testing to continue while keeping legal rulings and final decisions human-only.[3][4] Texas Governor Greg Abbott directed state agencies to pause funding for Flock Safety’s AI-powered license-plate camera network amid mounting privacy and misuse concerns.[5] Sony Music Publishing, Warner Chappell Music, and affiliated publishers sued Anthropic and two co-founders over alleged copying of song lyrics for Claude training and outputs.[6]

Contents

  1. Technology groups file fair-use brief in Mosaic AI litigation
  2. Arizona Supreme Court rejects proposed judicial AI moratorium
  3. Texas pauses state funding for AI-powered Flock cameras
  4. Sony and Warner publishers sue Anthropic over Claude training

Technology groups file fair-use brief in Mosaic AI litigation

The amici argue that AI training is transformative because it uses copyrighted works to identify patterns and build new technology tools rather than to reproduce the works for their original expressive purpose.[1][2] They also contend that copyright law should promote progress rather than protect existing business models from competition.[1][2]

The filing asks the court to confirm that the challenged model-training use is lawful fair use; it presents the amici’s position rather than a court ruling on the merits.[2]

Arizona Supreme Court rejects proposed judicial AI moratorium

The court rejected a petition filed January 12 that proposed “Rule 135,” which would have barred generative-AI use for core judicial work through 2029.[3] The court instead continued its supervised testing policy, under which approved AI tools may assist with administrative efficiency, case backlogs, and public access to justice but may not write legal rulings or make final case decisions.[3][4]

The Arizona Steering Committee on Artificial Intelligence and the Courts is scheduled to submit its next status report to the Supreme Court on March 1, 2027.[3]

Texas pauses state funding for AI-powered Flock cameras

Abbott’s office confirmed on August 28 that state agencies had been instructed to pause funding for Flock cameras, after a Texas Tribune investigation found that a state authority had devoted at least $30 million to expanding the network through local-police grants and a Department of Public Safety contract.[5]

Flock cameras use artificial intelligence to identify and store vehicle characteristics in addition to license plates, and participating law-enforcement agencies can share access through a nationwide network.[5] Abbott described a broader Texas “crackdown” as local governments reassessed contracts amid privacy concerns and reported misuse, while his spokesperson said state funding could no longer be used for the cameras.[5]

Sony and Warner publishers sue Anthropic over Claude training

Sony Music Publishing, Warner Chappell Music, and affiliated publishers filed a copyright complaint against Anthropic PBC, chief executive Dario Amodei, and co-founder Benjamin Mann in the Northern District of California on August 28.[6] The publishers allege that Anthropic torrented, scraped, downloaded, and scanned copyrighted lyrics and sheet music, then copied those works during Claude model training and generated infringing lyrics in model outputs.[6]

The complaint asserts direct and contributory copyright infringement and removal or alteration of copyright-management information, and seeks damages, injunctive relief, costs, and a jury trial.[6] See individual article: Sony and Warner Publishers Sue Anthropic Over Claude Training; see case page: Sony Music Publishing et al v Anthropic PBC et al.

References

  1. ↑ 1.0 1.1 1.2 CCIA, “CCIA Files Joint Amicus Brief in AI Training Lawsuit,” August 28, 2026
  2. ↑ 2.0 2.1 2.2 2.3 Brief of CCIA, AI Progress and NetChoice as Amici Curiae in Support of Mosaic, In re Mosaic LLM Litigation, filed August 28, 2026
  3. ↑ 3.0 3.1 3.2 3.3 KOLD, “Arizona Supreme Court rejects courtroom AI ban, opting to ‘test it and watch closely’,” August 28, 2026
  4. ↑ 4.0 4.1 KJZZ, “Arizona Supreme Court rejects petition to stop judges from using any AI,” August 28, 2026
  5. ↑ 5.0 5.1 5.2 5.3 The Texas Tribune, “Gov. Abbott blocks state agencies from spending money on Flock cameras,” August 28, 2026
  6. ↑ 6.0 6.1 6.2 6.3 Sony Music Publishing (US) LLC et al. v. Anthropic PBC et al., Complaint, No. 5:26-cv-09217 (N.D. Cal. filed August 28, 2026)
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