Palantir Sues Y Combinator Startup Guardian AI Over Alleged Trade Secret Theft

A messy legal battle is brewing in the market for AI that reviews health insurance claims.

Palantir Technologies has sued Y Combinator-backed startup Guardian AI and its founders—former employees of its healthcare division—for what it called “brazen” trade secret theft in the U.S. District Court for the Southern District of New York.

Palantir, the $198 billion (market cap) tech behemoth, alleged in the suit that founders Mayank Jain…