(August 28, 2018, 11:27 AM EDT) -- WASHINGTON, D.C. — A decision by the Trademark Trial and Appeal Board (TTAB) that canceled registration of the “Wu Dang Tai Chi Green Tea” trademark as likely to cause confusion with a registered “Tai Chi” mark was not an abuse of discretion, the Federal Circuit U.S. Court of Appeals concluded Aug. 27 (Zheng Cai v. Diamond Hong Inc., No. 18-1688, Fed. Cir., 2018 U.S. App. LEXIS 24152)....