对于生物技术主题,美国在授予专利权的形式条件方面存在的争论最多。在美国,该形式条件,即“充分公开要求”包括四个方面:确定性要求(requirement of definiteness)、书面描述要求(written description requirement)、可实施性要求(enablementrequirement)、最佳实施例要求(best mode requirement)。这四个要求基本上都是判例法发展起来的。目前,它们也仍然主要受判例法规制。在美国生物技术专利的审查、诉讼实践中,围绕书面描述要求、可实施性要求进行的争论最多。本文主要研究前一要求在美国 For the biotechnology theme, the United States has the most controversy regarding the formal conditions for granting patents. In the United States, this formal condition, that is, “sufficient disclosure requirement” includes four aspects: the requirement of definiteness, the written description requirement, the enablement request, the preferred embodiment Best mode requirement These four requirements are basically case law developed. At the moment, they are still largely governed by case law. In the review and litigation practice of biotechnology patents in the United States, the most controversial issue of enforceability requirements is around the written description requirements. This article mainly studies the previous request in the United States