How to inquire about patents

Patent inquiry is a procedure before patent application. Not necessary, but necessary. An effective search report can make the applicant avoid that the right to be protected is not the same or similar to the patent right of the previous application, and ensure that the applied patent is valid.

Query step

1, query method

Patent inquiry can be made in the database published by China National Intellectual Property Administration Net [1] for general inquiry; You can also entrust a patent search center to make professional inquiries.

2. Analyze the types of patents to be queried.

In China, there are three types of patents: invention, utility model and appearance patent. Only when the type of patent is determined can it be inquired.

3. If there is a patent number/application number, you can directly enter it in the column of patent number/application number.