Legal analysis: Article 24 of the Patent Law stipulates that it is six months, that is, it must occur within six months before the filing date. In other words, even if the identity of the discloser, the level of international exhibitions, academic conferences or technical conferences, etc. all meet the requirements, if you apply for a patent more than six months after the disclosure, it does not comply with Article 24 of the Patent Law. regulations, thereby losing novelty.
Legal basis: Article 24 of the "Patent Law of the People's Republic of China" If an invention-creation for which a patent is applied for falls under any of the following circumstances within six months before the filing date, the novelty will not be lost. Nature: (1) When a national emergency or extraordinary situation occurs, it is disclosed for the first time for the purpose of public interest; (2) It is exhibited for the first time at an international exhibition sponsored or recognized by the Chinese government; (3) Under regulations Published for the first time at an academic conference or technical conference; (4) Others leak the content without the applicant's consent.