2. Invention of chemical products. An application for a patent for the medical use of chemistry with the claims of "used for treating diseases", "used for diagnosing diseases" and "used as medicines" belongs to Item (3) of Paragraph 1 of Article 25 of the Patent Law, and no patent right can be granted.
However, because drugs and their preparation methods can be granted patent rights according to law, for pharmaceutical use inventions of substances, if you apply for a patent with drug claims or use claims belonging to the type of pharmaceutical methods, such as "application in pharmacy" and "application in preparing drugs for treating certain diseases", you can be granted patent rights.
3. Because the medical field also involves biomaterials, you can also apply for inventions with the theme of genes, vectors, recombinant vectors, transformants, polypeptides or protein, fusion cells and monoclonal antibodies.
Claims may include the product itself, preparation method and use of the above-mentioned subject matter. If the application for protection is related to the diagnosis and treatment of diseases, it should be written as "application in pharmacy" and "application in preparing drugs for treating certain diseases".