From Ali v. Tolbert, 636 F.3d 622 (D.C. Cir. 2011):
By its terms, Rule 11 applies to "[r]epresentations to the Court" made in "presenting to the court (whether by signing, filing, submitting, or later advocating) a pleading, written motion, or other paper." Fed R. Civ. P. 11(b) (2006). In Hilton Hotels Corp. v. Banov, 899 F.2d 40, 283 ...
From Ali v. Tolbert, 636 F.3d 622 (D.C. Cir. 2011):
By its terms, Rule 11 applies to “[r]epresentations to the Court” made in “presenting to the court (whether by signing, filing, submitting, or later advocating) a pleading, written motion, or…