In Kastle Systems International LLC v Lee Strategy Group LLC (Oppositions Nos 91227930 and 91236247, December 21 2017 [not precedential]), the Trademark Trial and Appeal Board (TTAB) of the US Patent and Trademark Office (USPTO) has granted opponent Kastle's motion for summary judgment, dismissing applicant Lee's counterclaim alleging fraud in the procurement of one of Kastle's pleaded registrations. The applicant claimed that the opponent made arguments in these proceedings that are contradictory to arguments it made to the USPTO in obtaining the pleaded registration, and therefore perpetrated fraud on the TTAB and on the USPTO. 

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