TTAB Reverses Refusal to Register Walther PPK Product Configuration By Charles Griffin – Edited by Avis Bohlen In re Carl Walther GmbH, No. 77096523 (T.T.A.B. Oct. 26, 2010) Opinion The Trademark Trial and Appeal Board (the “Board”) reversed an examiner’s refusal to register the product configuration of the Walther PPK pistol as a mark under Section 2(f) of the Trademark Act. The Board held, contrary to an examiner’s evaluation, that applicant Walther had established acquired distinctiveness for the configuration. Walther ... Read More...