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 资深译员Lisa,毕业于一所培养高级翻译以及跨文化事务专家的精英大学,专注翻译各种与私募股权与投资基金有关的法律文件。