Japanese copyright laws (著作権法, Chosakukenhō) consist of two parts: "Author's Rights" and "Neighbouring Rights". As such, "copyright" is a convenient collective term rather than a single concept in Japan. Japan was a party to the original Berne convention in 1899, so its copyright law is in sync with most international regulations. The 1899 law protected copyrighted works for 30 years after the author's death. Law changes promulgated in 1970 extended the duration to 50 years (or 50 years after publication for unknown authors and corporations). However, in 2004 Japan further extended the copyright term to 70 years for cinematographic works. At the end of 2018, as a result of the Trans-Pacific Partnership negotiations and a requirement stemming from the EU–Japan Economic Partnership Agreement