‘Largest theft of labour’: What new NYT filings reveal about its case against OpenAI, Microsoft
Microsoft and OpenAI face a lawsuit from the New York Times over alleged copyright infringement related to AI training. Internal documents reveal concerns about large-scale copying, potential market substitution, and data acquisition methods. Microsoft and OpenAI argue their use qualifies as fair use under US copyright law. The case hinges on whether AI training is transformative and harms the market for original works.
How this was made

The 30-second read
Why it matters
The disclosures introduce fresh legal risk for Microsoft and signal broader industry challenges around AI training data.
Market read
First public exposure of internal discussions on AI data copying could affect Microsoft’s stock and set precedent for AI‑related copyright cases.
What to watch
Potential revenue upside from AI products may offset legal costs.
Background
The article summarizes newly unsealed court documents in the New York Times lawsuit against OpenAI and Microsoft, focusing on internal memos and data‑sharing projects.
Ticker impact
Newly unsealed court filings reveal Microsoft executives discussed AI training data copying and potential market substitution, indicating legal risk for Microsoft.
Possible short-term downside pressure as investors assess litigation exposure.
The filings are the first public disclosure of internal concerns and data-sharing practices, which could affect valuation and legal costs.
Market effects
AI and tech sector faces increased regulatory scrutiny over data usage.
U.S. markets may see broader tech sell‑off if litigation spreads.
Highlights worldwide concerns about AI training data and copyright law.
Counterpoint
The litigation may be overstated; Microsoft could settle quickly with minimal impact.
Key entities
- CompanyMicrosoft
Defendant in the NYT copyright lawsuit; provides infrastructure and data to OpenAI.
- CompanyOpenAI
Defendant; developer of ChatGPT and other AI models.




