“Whether, under section 35 of the Lanham Act, 15 U.S.C. § 1117(a), willful infringement is a prerequisite for an award of an infringer’s profits for a violation of section 43(a), id. § 1125(a).”
“[W]e do not doubt that a trademark defendant’s mental state is a highly important consideration in determining whether an award of profits is appropriate. But acknowledging that much is a far cry from insisting on the inflexible precondition to recovery Fossil advances.”