(1) written principle, that is, the patent applicant and his agent shall go through all the procedures stipulated in the Patent Law and its implementing rules in writing.
(2) the principle of first application, that is, if two or more people apply for a patent for the same invention-creation, the patent right shall be granted to the first applicant.
(3) the principle of oneness, also known as the principle of invention application, that is, a patent application document can only file one invention patent application.
No patent right shall be granted for the following inventions:
(1) Inventions and creations that violate national laws.
The "national laws" mentioned here only refer to the laws formulated by the National People's Congress and its Standing Committee, excluding administrative regulations, local regulations, rules and other normative documents. The so-called invention-creation in violation of state laws means that the purpose of invention-creation itself is contrary to state laws.
(2) Inventions that violate social morality.
"Social morality" refers to the ethical and moral concepts that are generally considered by the public to be just and acceptable. If an invention objectively violates social morality, a patent right cannot be granted.
(3) Inventions and creations that hinder the public interest.
"Public interest" refers to the common interests of the public. Including public safety, environmental protection and public order. An invention that hinders the public interest means that the implementation or use of the invention will cause harm to the public or society, or will adversely affect the normal order of society.