Mickey Mouse (or, rather, a specific early version of the iconic Disney character) famously entered the public domain in the United States on January 1, 2024, almost 100 years after his 1928 debut in the short film Steamboat Willie. Mickey’s arrival highlighted the increasingly wide annual observance of “Public Domain Day”—the day when creative works enter the public domain for the first time, after the expiration of their copyright terms. This date, however, is not international, and depends on the copyright laws of each country. In Vietnam, Mickey Mouse had been in the public domain for years. Vietnam’s public domain regime Under Vietnam’s IP Law, the duration of copyright protection for moral rights is indefinite, except for rights to publish the works, which, together with economic rights, have a protection term of 75 years from first publication for cinematographic works, photography, applied art, and anonymous works. When these works are not published within 25 years from the date of their creation, the protection term is 100 years from the date of creation. For anonymous works, the protection term is determined when information about the author becomes available. For other types of copyrighted works (such as literary and musical works), following the Berne Convention, the protection term is for the life of the author and 50 years after the author’s death. Works for which the terms of protection have expired belong to the public. Everyone is entitled to use such works but must respect the moral rights of the authors. According to these regulations, Steamboat Willie and two other 1928 Mickey Mouse shorts, which are regarded as cinematographic works, have been in the public domain in Vietnam since 2003. This means that, for the past 21 years, anyone could legally copy, publish or distribute those shorts in Vietnam, and could