“ The Court of Appeals denied the latter application, believing that our mandate in Perkins, by not mentioning attorneys' fees, was intended to preclude an award of such fees.
The District Court was in error in holding that § 4 does not authorize the award of counsel fees for legal services performed at the appellate stages of a successfully prosecuted private antitrust action. Both the language and purpose of § 4 make that construction untenable. See American Can Co. v. ”