The song Happy Birthday has a long litigious history datingg back to the 1930s. Every year, people spent millions in royalties to use the song, until a class action law suit was brought challengin whether the owner, Warner/Chappell Music, actually owned the copyright it so aggressively enforced. Elizabeth Townsend-Gard, Tulane School of Law professor specializing in copyright law, discusses the case of Happy Birthday.
