Cluster

AI Lawsuits in California

Every AI lawsuit pending or decided in California courts — the de facto venue for generative-AI litigation.

45 cases · verified against public dockets · updated weekly

Reddit v. Anthropic
Superior Court of California, San Francisco · Filed Jun 4, 2025
active

Active

Tremblay / Silverman v. OpenAI ↗
N.D. Cal. → SDNY MDL · Filed Jun 28, 2023
active

Direct copyright; vicarious; DMCA 1202(b)(1)/(b)(3); state law (consolidates Tremblay, Silverman, Chabon)
Kistler et al. v. Eightfold AI. ↗
Superior Court of California, Contra Costa County · Filed 2026-01-20
Pending

First major FCRA-based AI hiring case. Alleges Eightfold AI secretly compiled 'consumer reports' on over 1 billion workers, scoring job applicants 0–5 on 'likelihood of success' using LinkedIn profiles, career data, and…
Matthew Sacks and Michael Kochin v. Anthropic PBC ↗
U.S. District Court for the Northern District of California · Filed 2025-12-22
Pending

Plaintiffs, authors who opted out of the Bartz v. Anthropic settlement, allege copyright infringement by AI companies including Anthropic for using their works obtained from shadow libraries without authorization to tra…
Raine v. OpenAI (Matthew and Maria Raine) ↗
San Francisco County Superior Court, California · Filed 2025-08-26
Pending

16-year-old Adam Raine died by suicide on April 11, 2025, after months of interactions with ChatGPT-4o which allegedly validated his suicidal ideation, provided detailed suicide instructions, and discouraged him from te…
John Liggett Sr. v. C3.ai. et al. ↗
U.S. District Court, Northern District of California · Filed 2025-08-22
Pending

Second C3.ai securities class action, covering class period February 26 – August 8, 2025. Alleges management concealed that CEO Siebel's significant health issues impaired his ability to close deals, rendering revenue g…
In re SoundHound AI. Securities Litigation ↗
U.S. District Court, Northern District of California · Filed 2025-03-31
Dismissed

SoundHound AI (NASDAQ: SOUN) accused of concealing material weaknesses in internal controls over financial reporting that impaired its ability to properly account for corporate acquisitions (SYNQ3 and Amelia). Plaintiff…
xAI. v. OpenAI. (trade secrets) ↗
U.S. District Court, Northern District of California · Filed 2025-01-01
Dismissed

Musk's xAI sued OpenAI alleging it poached xAI employees and misappropriated trade secrets. Judge Rita F. Lin dismissed the complaint, finding it 'notably absent' of allegations about OpenAI's own acquisition, use, know…
Musk v. Altman et al. (OpenAI for-profit conversion) ↗
U.S. District Court, Northern District of California (Oakland) · Filed 2024-08-05
Pending

Musk's wide-ranging 26-claim complaint alleges OpenAI and Altman fraudulently induced his $44.8M donation by promising OpenAI would remain an open, nonprofit AI lab for humanity's benefit, then engineered a for-profit c…
Petryazhna v. Google ↗
U.S. District Court for the Northern District of California · Filed 2024-08-02
Dismissed

Plaintiffs allege Google surreptitiously and without consent transcribed millions of YouTube users' videos, including plaintiff's registered copyrighted works, to create training datasets for its Gemini AI products. The…
Dubus v. Nvidia ↗
U.S. District Court for the Northern District of California · Filed 2024-05-02
Pending

Andre Dubus III and Susan Orlean, authors owning registered copyrights in books alleged to be included in the training dataset used by NVIDIA to train its NeMo Megatron large language models, filed a class action compla…
In re Databricks AI Copyright Litigation (Nazemian / Makkai) ↗
U.S. District Court for the Northern District of California · Filed 2024-03-08
Pending

Authors Abdi Nazemian, Brian Keene, and Stewart O'Nan filed a class action complaint alleging direct copyright infringement by MosaicML for training its MPT LLM models on the RedPajama-Books dataset, a copy of Books3 fr…
T. et al. v. OpenAI LP et al. (A.T. and J.H. consumer privacy) ↗
U.S. District Court, Northern District of California · Filed 2023-09-05
Pending

Consumer privacy class action filed September 5, 2023 against OpenAI and Microsoft alleging misuse of plaintiffs' personal data collected from social media platforms and other sites to train ChatGPT without proper conse…
PM v. OpenAI LP et al. (Clarkson Law Firm privacy class action) ↗
U.S. District Court, Northern District of California · Filed 2023-06-28
Pending

158-page class action filed by Clarkson Law Firm alleging OpenAI and Microsoft 'secretly scraped' personal data of hundreds of millions of internet users — including children — without consent to train ChatGPT and DALL-…
Reckstin Family Trust v. C3.ai. et al. ↗
U.S. District Court, Northern District of California · Filed 2022-03-04
Dismissed

Securities class action alleging C3.ai and its executives made materially false and misleading statements about the company's AI capabilities, customer relationships (especially Baker Hughes partnership), total addressa…
David Greene v. Google ↗
N.D. Cal. (removed from state court)
active

State law (removed on federal preemption)
Abdi Nazemian v. NVIDIA ↗
N.D. Cal.
active

Direct copyright (consolidates Dubus v. NVIDIA)
BMG v. Anthropic ↗
N.D. Cal.
active

Direct copyright; vicarious; contributory; DMCA 1202(b)(1)/(b)(3)
Carreyrou v. Anthropic ↗
N.D. Cal.
active

Direct copyright (multi-defendant)
Carreyrou v. OpenAI ↗
N.D. Cal. (expected MDL transfer)
active

Direct copyright
Chicken Soup for the Soul v. Anthropic ↗
N.D. Cal.
active

Direct copyright (8-defendant)
Denial v. OpenAI ↗
N.D. Cal. → SDNY MDL
active

Direct copyright; vicarious; DMCA 1202(b)(1); CFAA; state law
Entrepreneur Media v. Meta ↗
N.D. Cal.
active

Direct copyright; contributory infringement; DMCA 1202(b)
Gardner v. Runway AI ↗
N.D. Cal.
active

DMCA 1201(a); CA UCL
Google v. SerpApi ↗
N.D. Cal.
active

DMCA 1201(a)(1)(A)/(a)(2)
Hendrix v. Apple ↗
N.D. Cal.
active

Direct copyright (consolidated with Martinez-Conde and Alexander)
In re Google Generative AI Copyright Litigation ↗
N.D. Cal.
active

Direct copyright; vicarious infringement; DMCA 1202(b)(1)/(b)(3) (consolidating Zhang and Leovy)
In re Mosaic LLM Litigation ↗
N.D. Cal.
active

Direct copyright; vicarious (consolidates O'Nan and Makkai)
In re Salesforce LLM Copyright Infringement Litigation ↗
N.D. Cal.
active

Direct copyright (consolidating Tanzer and Alexander)
James v. Cerebras Systems ↗
N.D. Cal.
active

Direct copyright
James v. Together Computer ↗
N.D. Cal.
active

Direct copyright
Kleiner v. Adobe ↗
N.D. Cal.
active

Direct copyright
Lyon v. Adobe ↗
N.D. Cal.
active

Direct copyright
Millette v. Google ↗
N.D. Cal.
Dismissed

Direct copyright; state law (voluntarily dismissed)
Millette v. NVIDIA ↗
N.D. Cal.
Dismissed

Direct copyright; state law (voluntarily dismissed)
Millette v. OpenAI ↗
N.D. Cal. → SDNY MDL
active

Direct copyright; state law
Strike 3 Holdings v. Meta ↗
N.D. Cal.
active

Direct copyright; vicarious; contributory
Ted Entertainment v. Amazon ↗
N.D. Cal.
active

DMCA 1201(a)
Ted Entertainment v. Apple ↗
N.D. Cal.
active

DMCA 1201(a)
Ted Entertainment v. ByteDance ↗
N.D. Cal.
active

DMCA 1201(a)
Ted Entertainment v. Meta ↗
N.D. Cal.
active

DMCA 1201(a)
Ted Entertainment v. NVIDIA ↗
N.D. Cal.
active

DMCA 1201(a)
Ted Entertainment v. OpenAI ↗
N.D. Cal.
active

DMCA 1201(a)
Youngblood v. Meta ↗
N.D. Cal.
Dismissed

DMCA 1201(a) (voluntarily dismissed)
Youngblood v. NVIDIA ↗
N.D. Cal.
Dismissed

DMCA 1201(a) (voluntarily dismissed)

Frequently asked questions

Why are most AI lawsuits filed in California?

Most major AI labs (OpenAI, Anthropic, Google, Meta, xAI) are headquartered in or have substantial operations in California, giving the Northern District of California personal jurisdiction. Judges in N.D. Cal. like William Alsup and Vince Chhabria have produced some of the most influential early AI rulings.

Browse the full database

This page is a curated slice of the AI Lawsuit Tracker. For the complete picture, see all 159 cases, defendants by company, or the latest rulings.