with each motion, petition, or related response, and in each principal

brief and brief amicus curiae. (c) Changes. If any of the information required by Federal Circuit Rule 47.4(a) changes after the certificate is first filed and before the mandate has issued, an amended certificate must be filed within seven (7) days after the change. PRACTICE NOTES TO RULE 47.4 Certificate of Interest. Using Federal Circuit Form 9 satisfies the certificate of interest requirements under Federal Circuit Rule 47.4(a). Federal Circuit Rules of Practice (December 1, 2025) Page 200 (Return to Table of Contents)