This Practice Note discusses discovery motion practice related to local patent rule disclosures in the Dallas Division of the US District Court for the Northern District of Texas. It discusses motions to amend patent disclosures and motions to strike or compel an adversary to supplement untimely or inadequate patent disclosures. This Note discusses reasons a party may want to bring a motion, grounds for bringing a motion, and how to bring a motion under the Northern District of Texas' Civil Local Rules.