Legal analysis: the paper belongs to intellectual property, and the author of the paper enjoys copyright. The copyright of a paper should be registered voluntarily, and whether the paper is registered or not will not affect the copyright obtained by the author or other copyright owners according to law. The voluntary registration system of works in China is to safeguard the legitimate rights and interests of authors or other copyright owners and users of works, help to solve copyright disputes caused by copyright ownership, and provide preliminary evidence for solving copyright disputes.

Legal basis: Article 2 of the Copyright Law of People's Republic of China (PRC), works of China citizens, legal persons or unincorporated organizations, whether published or not, enjoy copyright in accordance with this Law.

The copyright enjoyed by the works of foreigners and stateless persons in accordance with the agreement signed between the country to which the author belongs or the country of habitual residence and China or the international treaties to which * * * is a party shall be protected by this Law.

Works of foreigners and stateless persons first published in China shall enjoy copyright in accordance with this Law.

The works of authors and stateless persons from countries that have not signed agreements with China or participated in international treaties are first published in the member countries of international treaties to which China is a party, or published in both member countries and non-member countries at the same time, and are protected by this Law.