What are the types of pharmaceutical patents?

Pharmaceutical invention patents include new drug patents, new preparation method patents and new use patents. New drugs, including new compounds, known compounds and pharmaceutical compositions with pharmaceutical applications; new microorganisms and genetically engineered products (biologics); new raw materials, new excipients, intermediates, metabolites, drug precursors, new pharmaceutical preparations involved in the field of pharmaceuticals; new isomers; new effective crystalline form; new isolation or extraction of natural substances and so on. New preparation methods, including new techniques, new formulations, new processing and treatment methods and production methods of new animals, new minerals, new microorganisms, new extraction and purification methods of traditional Chinese medicine, new concoctions and so on. New uses of drugs, including the first discovery of their medical value, or the discovery of their second medical use, new routes of administration, etc. can apply for invention patents. A utility model patent refers to a new technical solution for the shape, structure or combination of products that is suitable for practical use. For example, certain function-related drug dosage forms, shape and structure changes; a new type of slow-release preparations; special equipment for the production of preparations; diagnostic kits with function-related shape and structure; a single-dose drug delivery device, as well as the shape, structure and switching techniques of drug packaging containers. Appearance design refers to a new design that is aesthetically pleasing and suitable for industrial application of a product's shape, pattern or combination thereof, as well as the combination of color and shape or pattern. It mainly involves the appearance of drugs and packaging containers, such as the new shape of the drug or its pattern, color matching and combination; new containers such as bottles, bags, caps, etc.; full of beauty and characteristics of the manual, containers and boxes, etc..