"Happy Birthday," one of the most popular songs in the English language, is now public domain. The candles have been blown out on the "Happy Birthday" copyright lawsuit. Warner/Chappell ...

The “Happy Birthday” song dates to late 19th century work by a schoolteacher named Patty Smith Hill and her sister Mildred Hill. Trending on Billboard The Hill sisters later assigned rights to ...

One of Nelson's lawyers, Mark Rivkin, said as Nelson did more and more research on the song's roots, "she got madder and madder and madder." Happy Birthday generates an estimated $2 million a year ...