Permanent protection. Copyright transfer usually means that the copyright owner transfers all his copyright to others. To put it simply, after the ownership of copyright is transferred to others, the transferor loses the right to be transferred, which is equivalent to permanent copyright transfer during the whole copyright protection period. Where copyright is transferred, a written contract shall be concluded.

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. Article 37 of the Copyright Law of People's Republic of China (PRC) * * * Publishers have the right to license or prohibit others from using the layout design of their published books and periodicals. The term of protection of the rights specified in the preceding paragraph is ten years, ending on the 10 day after the first publication of the books and periodicals designed in this format.