(July 19, 2016, 10:32 AM EDT) -- SHERMAN, Texas — An infringement plaintiff’s affirmative defenses of unclean hands and estoppel in response to a defendant’s counterclaim for cancellation of various trademarks were properly rejected by a Texas federal magistrate judge, a Texas federal judge concluded July 16 (Neal Technologies Inc. v. Unite Motorsports Inc., No. 15-385, E.D. Texas; 2016 U.S. Dist. LEXIS 92655)....