“Happy Birthday” may be the Hill sisters' main claim to fame, but Patty (left) and Mildred's (right) impact on American history extends far beyond the beloved song. Illustration by Meilan Solly / ...

A federal judge in Los Angeles ruled that Warner/Chappell Music does not have a valid copyright claim to the song lyrics of "Happy Birthday to You." U.S. District Judge George H. King decided the ...

The Court found Warner/Chappell’s chain of title defective because its predecessor-in-interest Summy Co. never actually obtained title in the lyrics. Warner/Chappell pointed to evidence of a written ...