What are the common legal states of patents?

Legal status includes: grant of patent right, patent application right, invalidation of patent right, termination of patent right, restoration of patent right, pledge, preservation and rescission of patent right, filing of patent license contract, compulsory license of patent exploitation and change of name, nationality and address of patentee. Generally speaking, it can also be divided into the following states:

Annual fee-annual fee, registration printing fee, stamp duty (patent certificate can only be issued after paying this fee), and the payment period is 2.5 months.

It is regarded as giving up and waiting for recovery-recovery fee 1000 yuan, with a term of about 3 months-the patent right is valid and no annual fee is owed.

Equal annual fee late fee-the annual fee is in arrears, and the late fee due to arrears needs to be paid for a period of 6 months.

Resume when the right is terminated-restoration fee 1 000 yuan, and the term is about 3 months. This right will be invalid-unavailable, irretrievable and waived.

Time to pay the annual fee: subject to the application date,/kloc-0 once a year.