The term of protection of copyright refers to the period during which copyright is protected by law or the period of validity of copyright. During the period of copyright protection, the copyright of a work is protected by law; When the copyright expires, the copyright will be lost, and the work will enter the public domain and will no longer be protected by law. In China, the protection period of personal rights and property rights of works is stipulated separately. The right of signature, modification and protection of the integrity of a work are permanently protected by law. The term of protection of the right of publication is the same as that of the property right in copyright. After the death of a citizen as an author and the change or termination of a legal person or entity without legal personality, his right of authorship, modification and protection of the integrity of a work are still protected by the copyright law. The term of protection of the property right of a work is limited, which varies according to the subject of copyright and the nature of the work: (1) The author of the work is a citizen, and the term of protection of the property right of the work is 50 years after the author's death. After the author's death, the protection period begins at 65438+ 1 in the year following the author's death and ends at 65438+3 1 in the 50th year. (2) The copyright of a work of a legal person or entity without legal personality (except the right of signature), and the protection period of the right of publication, use and remuneration enjoyed by a legal person or entity without legal personality is 50 years, but if the work is not published within 50 years after the completion of creation, the copyright law will no longer protect it. (3) The term of protection of the rights of publication, use and remuneration of films, television and video works and the copyright of photographic works shall be fifty years, and the term of protection of the rights of publication, use and remuneration of cooperative works shall be fifty years after the death of the author, but the calculation of fifty years shall start with the death time of the last co-author. (5) The protection period of the right to use and receive remuneration for works with unknown authors is 50 years, ending at 65438+February 3 1 day in the 50th year after the first publication of the works. However, once the author's identity is determined, the general provisions of the copyright law shall apply. (6) The exclusive publishing right of a book publishing entity. According to the contract, the exclusive publishing rights of book publishers shall not exceed 65,438+00 years, and the contract may be renewed upon expiration. (7) The term of protection of the right to use and the right to receive remuneration for audio and video recordings is fifty years, ending on 65438+February 3 1 day in the fiftieth year after the first publication of the works. (8) The protection period of the right to use radio and television programs and the right to receive remuneration is 50 years, ending at 65438+February 3 1 day in the 50th year after broadcasting.

Legal objectivity:

Article 22 of the Copyright Law of People's Republic of China (PRC) * * * The term of protection of the author's right of signature, modification and protection of the integrity of the work is not limited. According to Article 23 of the Copyright Law of People's Republic of China (PRC), the protection period of the publication right of natural person's works and the rights stipulated in Items 5 to 17 of Paragraph 1 of Article 10 of this Law is the author's life and 50 years after his death, ending at 65438+February 3 1 day in the fiftieth year after his death; If it is a cooperative work, the deadline is 65438+February 3 1 50 years after the death of the last dead author. For audio-visual works, the protection period of the right of publication is fifty years, ending on 65438+February 3 1 day in the fiftieth year after the creation of the works; The term of protection of the rights specified in Item 5 to Item 17 of Paragraph 1 of Article 10 of this Law is fifty years, ending at 65438+February 3 1 day in the fiftieth year after the first publication of the work. However, if the work is not published within 50 years after the creation is completed, this law will no longer protect it.