What may lead to the loss of patent novelty?

Legal analysis: The cases that may lead to the loss of patent novelty are: 1, where the parties disclose their patents first, or advertise before applying for patents; 2. The patented technical content has been patented; 3. The technical scheme has been published; 4. The technical scheme has been applied in daily production; 5. Other circumstances that may lead to the loss of patent novelty.

Legal basis: Article 24 of the Patent Law of People's Republic of China (PRC).

An invention-creation applying for a patent shall not lose its novelty in any of the following circumstances within six months before the date of filing:

(a) When the country is in a state of emergency or an extraordinary situation, it shall be published for the first time for the purpose of public interest;

(2) It was exhibited for the first time at an international exhibition sponsored or recognized by the China Municipal Government;

(3) It was first published at a specific academic conference or technical conference;

(4) Others disclose the contents of the application without the consent of the applicant.