A party may amend its pleading once without leave of the court at any time before the answer, demurrer, or motion to strike is filed. The Court should sustain MWD's demurrers and grant its motions to strike without leave to amend. ARGUMENT.Is SUSTAINED without leave to amend. The Court has created a Document Finder tool to help filers choose the right document type that matches their filing. Must the "Notice of Motion and Motion" be filed as separate PDFs? No party may notice a motion for reconsideration without first obtaining leave of Court to file the motion. Cross Reference See Fed. A party may amend its pleading once without leave of the court at any time before the answer, demurrer, or motion to strike is filed. In its most recent order, the Court granted Klahn leave to amend two claims against the County of Alameda. Defendants' demurrer is sustained without leave to amend.