A Texas-based software company, Perplexity Solved Solutions (PSS), has filed a trademark infringement lawsuit against Perplexity AI in the US District Court for the Northern District of California.

PSS claims Perplexity AI’s use of the name “Perplexity” causes consumer confusion and violates its trademark rights.

The lawsuit, filed on Jan. 30, alleges that Perplexity AI infringed on PSS’s federally registered trademark, established in 2022.