January 27, 2026
A California federal judge has ordered artificial intelligence startup Perplexity AI to explain why she has jurisdiction to cancel a trademark for a similarly named company after vacating a default judgment that was issued due to that company failing to secure a lawyer.
October 28, 2025
A Texas company suing Perplexity AI Inc. for trademark infringement had its case tossed by a California federal judge who said it had ignored warnings that it couldn't proceed without representation.
June 02, 2025
A California federal judge Monday trimmed a cybersquatting claim from a Texas software company's trademark infringement suit against San Francisco-based Perplexity AI Inc., saying an alleged offer from the San Francisco artificial intelligence company to buy the trademark doesn't show the "bad faith" the claim requires.
April 04, 2025
Perplexity AI Inc. has launched its counteroffensive against a California federal court suit accusing it of trademark infringement by asking the court to cancel the trademark at the heart of the case brought earlier this year by a software company.
January 31, 2025
Perplexity AI Inc. is facing a trademark infringement suit in California federal court from a software company that argues that the artificial intelligence-powered search engine "believes it is entitled to trample on the rights of a proverbial 'little guy' without consequence."