Can the patent for invention be amended after the substantive examination?
within 3 months from the date of receiving the notice that the application for a patent for invention has entered the substantive examination stage issued by the patent administration department of the State Council, you can propose amendments to the application for a patent for invention. If the patent application documents are modified after receiving the notice of examination opinions issued by the patent administrative department of the State Council, it shall be modified according to the requirements of the notice. It is worth noting that no matter what kind of modification, it shall not exceed the scope recorded in the original specification and claims.