How long is the patent substantive examination cycle?

When applying for a patent, you must not only prove that the patent was developed by yourself and is indeed useful, but the patent office will also review the invention in the early stages of application, because only after review can the authenticity of the patent be determined, but the patent review cycle is How long? Regarding this question, the editor of Legal Savior Network will answer it for everyone right away.

How long is the patent substantive examination period

1. Patent The time for substantive examination is uncertain, generally 6-18 months, depending on the content of the invention, the examiner's understanding of the invention, the examiner's work schedule, and the time for document correspondence between the examiner and the applicant or his agent.

2. Public services for the patent examination process are currently not charged any fees.

3. When the invention patent applicant files a request for substantive examination and three days after receiving the notice from the Patent Office that the invention patent application has entered the substantive examination stage, Within three months, you can actively propose amendments to your invention patent application.

4. According to the Patent Law, the approval process for invention patent applications includes five stages: acceptance, preliminary examination, publication, substantive examination and authorization. Utility model or design patent applications do not undergo early publication and substantive examination during the approval process. There are only three stages: acceptance, preliminary examination and authorization.

The above content is the editor’s answer to the question “How long is the patent substantive examination cycle?” If readers need legal help, they are welcome to go to the Legal Savior website. Legal advice.