(1) It was exhibited for the first time at an international exhibition sponsored or recognized by the China Municipal Government;
(2) It was first published at a specific academic conference or technical conference;
(3) Others disclose the contents of the application without the consent of the applicant.
legal ground
Article 24 of the Patent Law stipulates that 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.