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 法律翻译Terris,毕业于欧洲顶尖的法学院,专注翻译各类与专利上诉有关的法律文件。