How to inquire about the original patent of drugs

Go to the website of the patent office to inquire about the system, enter the patent number and patent name, and the patentee can inquire.

Mainly in the patent retrieval website query similar patents for re-analysis, the specific steps are as follows:

1. Determine keywords according to the technical scheme you want to apply for;

2. Search for existing patents on the patent search website according to keywords, and analyze whether it is similar to the patent you want to apply for.

Patent search websites and searches can be conducted in the following ways: China National Intellectual Property Administration website can be used for search.