trademark trial and appeals boardglossary / TRADEMARK TRIAL AND APPEALS BOARD Trademark Trial and Appeals Board. An administrative body that hears and decides disputes involving trademark ownership, conflicts between marks, and registrability of marks. — Abbr. TTAB. 词条贡献者 译者Clara,毕业于国内知名法学院,擅长翻译各种与衍生工具相关的法律文件。