News April 26 2026
April 26, 2026 — Daily digest of AI law developments.
This article consolidates 4 news stories from late April 2026.
Contents
1. SEIU Shareholder Derivative Suit Against Adobe Executives 2. Getty Images Survives Motion to Dismiss in Stability AI Case 3. Britannica and Gracenote Suits v. OpenAI Stayed 4. Lyon and Kleiner Consolidate Adobe Copyright Claims
The SEIU Pension Plan Master Trust filed a shareholder derivative action against Adobe CEO Shantanu Narayen and other executives, alleging breach of fiduciary duty for training Adobe AI models on copyrighted works. This is the first shareholder derivative suit based on AI training practices.
See individual article: SEIU Shareholder Derivative Suit v. Adobe Executives
Getty Images Survives Motion to Dismiss in Stability AI Case
Judge Thompson denied most of Stability AI motion to dismiss Getty Images copyright complaint. Only the DMCA CMI claim was dismissed (but may be amended). The core copyright claims proceed to discovery.
See individual article: Getty Images v. Stability AI Ruling
Britannica and Gracenote Suits v. OpenAI Stayed
Judge Stein granted a joint stipulation to stay the Encyclopaedia Britannica and Gracenote copyright suits against OpenAI, putting both cases on the shelf as the MDL litigation nears the end of discovery.
See individual article: Judge Stein Stays Britannica and Gracenote v. OpenAI
Lyon and Kleiner Consolidate Adobe Copyright Claims
Book authors Lyon and Kleiner filed their consolidated copyright complaint against Adobe on April 22, 2026, combining previously separate claims into a single action over Adobe AI training on copyrighted works.
See individual article: Lyon and Kleiner Consolidate Adobe Copyright Claims