Anonymous works, photographs, cinematographic works, sound recordings, government works, and works of corporate authorship or of international organizations enter the public domain 60 years after the date on which they were first published, counted from the beginning of the following calendar year (i.e. as of 2025, works published prior to 1 January 1965 are considered public domain).
Posthumous works (other than those above) enter the public domain after 60 years from publication date, counted from the beginning of the following calendar year.
Any kind of work other than the above enters the public domain 60 years after the author's death (or in the case of a multi-author work, the death of the last surviving author), counted from the beginning of the following calendar year.
Text of laws, judicial opinions, and other government reports are free from copyright.
The Indian Copyright Act, 1957 is not retroactive, so any work in which copyright did not subsist when it commenced did not have its copyright restored, and is in the public domain per the Copyright Act 1911.
Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 60 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, and Switzerland and the United States are 70 years.
Esta obra se encuentra en el dominio público en los Estados Unidos porque cumple tres requisitos:
se publicó por primera vez fuera de este país (y no se publicó en los EE.UU. dentro de los siguientes 30 días),
se publicó por primera vez antes del 1 de marzo de 1989 sin aviso de derechos de autor o antes de 1964 sin renovación de derechos de autor o antes de que el país de origen estableciera tratados sobre derechos de autor con los Estados Unidos,
estaba en el dominio público en el país de origen en la fecha de URAA (1 de enero de 1996 para la mayoría de los países).
Para mayor información, vea las explicaciones que se encuentran en Non-U.S. copyrights (en inglés). Nota: Por favor recuerde que esta etiqueta no se debe utilizar con archivos de sonido.
También debes incluir una etiqueta de dominio público de los Estados Unidos para indicar por qué esta obra está en el dominio público en los Estados Unidos.
