The copyright registration certificate of the work does not require annual review. Voluntary registration certificates for copyrights issued by national and provincial copyright bureaus are valid nationwide and even in member states of the Berne Convention. Descriptions of business models (textual and pictorial works) can be registered according to the dichotomy of intellectual expression of copyright. Article 3 of the "Regulations for the Implementation of the Copyright Law of the People's Republic of China" The copyright law refers to intellectual activities that directly produce literary, artistic and scientific works. The business model is the creativity of the entrepreneur. After the business idea is operated, the business model is finally formed. The content protected by copyright is the expression of thoughts and emotions, not the thoughts and emotions themselves. Generally speaking, the shining point of a business model is the idea, not the way of expression. Therefore, copyright registration is only one of the ways to protect the business model. The important thing is the operation of the business model, especially seizing the opportunity. For example, words such as "It hurts the old iron", "Lan Shou, Shiitake mushroom" are just simple words and do not meet the definition of works under the Copyright Law. They cannot constitute literary works and do not constitute essential requirements for copyright protection. However, if you add relevant art design to it to form an art work and then register it, it may be approved. "Variety show model" refers to the synthesis of various elements such as variety show creativity, process, rules, technical regulations, and hosting style. Variety show formats belong to the ideological category and are not protected by copyright law. The advertising slogan is just a simple statement and does not meet the definition of a written work under the Copyright Law, and cannot be registered as a written work. However, if you add a simple advertising slogan and relevant art design, it can form an art work for registration. Name, slogan, title, etc. For commissioned works, the ownership of the copyright is agreed upon by the client and the trustee through a contract. If there is no express agreement in the contract or no contract has been concluded, the copyright belongs to the trustee. "Interpretations of the Supreme People's Court on Several Issues Concerning the Application of Law in the Trial of Copyright Civil Dispute Cases" Article 12 In accordance with Article 17 of the Copyright Law, if the copyright of a commissioned work belongs to the trustee, the client shall have the right to use the work within the agreed scope of use. Rights; if the two parties have not agreed on the scope of use of the work, the client can use the work free of charge within the specific purpose of the commissioned creation. my country's Copyright Law stipulates that the citizen who creates the work is the author, and the author has the right to indicate the author's identity and sign the work. The signature includes the real name or pen name. The author's right of authorship is protected for an unlimited period of time and is not transferable. In other words, in a copyright contract, any transfer, sale, or restriction clauses regarding the author's signature rights are illegal and invalid, and have no binding force on the author.