From Lahiri v. Universal Music & Video Dist. Corp., 606 F.3d 1216 (9th Cir. 2010):
An attorney who unreasonably and vexatiously "multiplies the proceedings" may be required to pay the excess fees and costs caused by his conduct. 28 U.S.C. § 1927. Recklessness suffices for § 1927 sanctions, but sanctions imposed under the district court ...
From Lahiri v. Universal Music & Video Dist. Corp., 606 F.3d 1216 (9th Cir. 2010):
An attorney who unreasonably and vexatiously “multiplies the proceedings” may be required to pay the excess fees and costs caused by his conduct. 28 U.S.C.…