Use the trademark board's citation form

Error²Federal courts, Illinois courts21st and 22nd editions

The Trademark Trial and Appeal Board's template is not the patent boards'. The source the decision was reported in is required rather than optional, and the parenthetical closes on the year alone rather than a full date.¹

1. 1T1.2 Department of Commerce, Patent and Trademark Office (USPTO). Tables: R. 14.3.2(c) Services and electronic databases.
2. 2An error: the rule in note 1 allows one form, and this is not it.