opinion work productglossary / opinion work product Work product, tangible or intangible, that includes or reflects an attorney’s thoughts, such as impressions, theories, and conclusions.• Opinion work product is almost wholly immune from discovery. Fed. R. Evid. 26(b)(3). — Also termed core work product. 词条贡献者 译者张文,国际知名商学院金融专业,擅长翻译各种与结构性融资及衍生品诉讼相关的法律文件。