This document summarizes a court case where Michael Costanza sued Jerry Seinfeld and Larry David claiming they based the character of George Costanza from the TV show Seinfeld on him without his permission. The court dismissed the lawsuit, finding that Costanza's claims of invasion of privacy and violations of New York civil rights law failed because the show did not use his actual name or likeness. The court also found Costanza's defamation claim against David failed because the statements were opinions, not facts. However, the court vacated sanctions against Costanza that were imposed, finding the lawsuit was brought in good faith and not frivolous.