Article 24. An invention-creation for which a patent is applied for does not lose its novelty where, within six months before the date of filing, one of the following events occurred: (l) where it was first exhibited at an international exhibition sponsored or recognized by the Chinese Government; (2) where it was first made public at a prescribed academic or technological meeting; (3) where it was disc1osed by any person without the consent of the applicant. Article 25 For any of the following, no patent right shall be granted: (1) scientific discoveries; (2) rules and methods for mental activities; (3) methods for the diagnosis or for the treatment of diseases; (4) animal and plant varieties; (5) substances obtained by means of nuclear transformation. For processes used in producing products referred to in items (4) of the preceding paragraph, patent right may be granted in accordance with the provisions of this Law. Chapter III Application for Patent Article 26. Where an application for a patent for invention or utility model is filed, a request, a description and its abstract, and claims shall be submitted. The request shall state the title of the invention or utility model, the name of the inventor or creator, the name and the address of the applicant and other related matters. The description shall set forth the invention or utility model in a manner sufficiently clear and complete so as to enable a person skilled in the re1evant field of techno1ogy to carry it out; where necessary, drawings are required. The abstract shall state briefly the main technical points of the invention or utility model. The claims sha1l be supported by the description and shal1 state the extent of the patent protection asked for.

Article 27. Where an app1ication for a patent for design is filed, a request, drawings or photographs of the design shall be submitted, and the product incorporating the design and the class to which that product be1ongs shall be indicated. Article 28. The date on which the Patent Administration Department Under the State Council receives the application shall be the date of filing. If the app1ication is sent by mail, the date of mailing indicated by the postmark shall be the date of filing.

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