In China, copyright comes into being from the date of creation. Personal rights have no time limit except the right of publication. Once the right of publication is exercised, it will be exhausted. If it is not published within 50 years after the author's death, it is no longer protected. The term of protection of property rights is the author's life plus 50 years after his death. If the work is not published after 50 years of creation, it will no longer be protected;
In addition, works regarded as authors by legal persons and other organizations, as well as films, television, video works, photographic works and works with unknown authors, are protected for 50 years from the date of first publication, and those unpublished within 50 years after the creation is completed are no longer protected. The copyright protection period of the software is 25 years, ending at 65438+February 3 1 day in the 25th year after the first publication of the software. Before the expiration of the protection period, the software copyright owner may apply to the software registration authority for extension for 25 years, but the maximum protection period shall not exceed 50 years.
Extended data:
Classification of duration of copyright protection:
(1) For general works, the author lived and died for 50 years. * * * The author who died last among the co-authors of * * * shall prevail. ?
(2) 50 years after the film works are released. If it is not released within 50 years after the shooting is completed, it will be invalid within 50 years after the shooting is completed. ?
(3) Fifty years from the date of legal publication of works that are anonymous or use pseudonyms. If the identity of the author is known to the public, general works shall apply. ?
(four) photographic works and practical works of art, 25 years from the date of completion of the work. ?
The above-mentioned protection period is the shortest period that all countries should protect. A longer protection period can be stipulated. ?
Baidu encyclopedia-copyright protection