Public case informationLast updated
Microsoft Shareholder Class Action Concerning Copilot and AI Business Disclosures
Microsoft · Microsoft Copilot, Microsoft 365, Azure, and AI operations · Ongoing Litigation
About this case
The securities class action alleges that Microsoft misled investors about problems affecting its Copilot products, the competitiveness of its proprietary AI model, increased AI-related costs, and declining conversion and market share. The litigation is ongoing, and the deadline for shareholders to seek appointment as lead plaintiff was August 11, 2026.
Case overview
- Defendant company
- Microsoft
- Product or service
- Microsoft Copilot, Microsoft 365, Azure, and AI operations
- Court case number
- 26-cv-02071
- Case status
- Ongoing Litigation
- Lawsuit type
- Securities
- Reported harm
- Misrepresentation
Important dates
- Lead Plaintiff Application
Participation information
Lead Plaintiff Application
Purchasers of Microsoft common stock between May 1, 2025 and January 28, 2026 may have been within the proposed class period; the article does not establish final eligibility.
Shareholders seeking to serve as lead plaintiff were required to file a motion with the court by August 11, 2026.
- Type
- Lead Plaintiff
- Status
- Deadline passed