According to the provisions of the "Patent Law", there are three types of drug patents. Among drug patents, the latter two patents have lower technical content and are smaller in number:

(1) Drug invention patents, you can apply for invention patents for new drugs, new drug preparation methods, and discovered new uses of drugs.

(2) Utility model patents for pharmaceuticals. Changes in pharmaceutical dosage forms, shapes, and structures that bring about changes in the functions of pharmaceuticals, inventions of pharmaceutical equipment, etc. can apply for utility model patents.

(3) Drug design patents. New designs involving the appearance of drugs and packaging containers can apply for design patents.