Can the secondary development library apply for copyright or patent?

According to the Copyright Law, the copyright of a work created jointly by two or more persons shall be shared by the co-authors. Yes, it has nothing to do with the order. However, this can be changed if copyright owners are added and the order is changed. The procedure is to go through the formalities of copyright transfer, for example, from the current five people to the existing five people plus one person, and the order can be changed at the same time. For details, please contact the examiner who issued the registration certificate. According to the computer software registration procedure of China Copyright Center, if the jointly developed software is registered with copyright, all copyright owners can determine a copyright owner as a representative through consultation, and the applicant only needs to affix the official seal from this copyright owner when signing. If the copyright owners cannot reach an agreement through consultation, any copyright owner may apply for registration without harming the interests of other copyright owners, but the other copyright owners shall be indicated. The software copyright registrant or the contract registrant may change or supplement the registered items: items that are allowed to be changed: software name (including full name, abbreviation and version number); The applicant can apply for changing the software version number, but only if the "V" is added before the version number or the "V" is removed; The name of the copyright owner; Items allowed to be supplemented: date of first publication; After the unpublished software is registered, after the software is published, supplementary registration can be handled according to the publication date; Matters that are not allowed to be changed or supplemented: changes in software expression (addition or modification of functions); ? Transfer of software rights; Changes of development completion date and first publication date; Article 13 of the Copyright Law of People's Republic of China (PRC), the copyright of a work created jointly by two or more persons shall be shared by the co-authors. People who don't participate in the creation can't be co-authors. Where a cooperative work can be used alone, the authors may enjoy the copyright of their respective parts, but the exercise of copyright shall not infringe upon the copyright of the cooperative work as a whole. Article 10 Regulations on the Protection of Computer Software For software jointly developed by two or more natural persons, legal persons or other organizations, the ownership of copyright shall be stipulated in a written contract signed by the co-developers. If there is no written contract or there is no explicit agreement in the contract, the jointly developed software can be used alone, and the developer can enjoy the copyright of the developed part alone; However, when exercising copyright, it shall not be extended to the copyright of the whole software jointly developed. If the jointly developed software cannot be used separately, its copyright shall be shared by all the co-developers and exercised by consensus; If no agreement can be reached through negotiation without justifiable reasons, neither party shall prevent the other party from exercising other rights except the right to transfer, but the proceeds shall be reasonably distributed to all cooperative developers.