1. What materials should be submitted for patent reexamination? Materials to be submitted for patent re-examination: Where a request for re-examination is filed with the Patent Re-examination Board in accordance with Article 41 of the Patent Law, a request for re-examination shall be submitted, the reasons shall be explained, and relevant evidence shall be attached if necessary. If the written request for reexamination does not conform to the prescribed format, the person requesting reexamination shall make corrections within the time limit specified by the Patent Reexamination Board; If no correction is made at the expiration of the time limit, the request for reexamination shall be deemed not to have been made. The claimant may modify the patent application documents when making a request for reexamination or replying to the notice of reexamination of the Patent Reexamination Board; However, the amendment should be limited to eliminating the defects pointed out in the rejection decision or review notice. The revised patent application documents shall be submitted in duplicate.