[5.1委托专利代理机构](5.1%E5%A7%94%E6%89%98%E4%B8%93%E5%88%A9%E4%BB%A3%E7%90%86%E6%9C%BA%E6%9E%84.md) [5.2要求优先权](5.2%E8%A6%81%E6%B1%82%E4%BC%98%E5%85%88%E6%9D%83.md) [5.3不丧失新颖性的公开](5.3%E4%B8%8D%E4%B8%A7%E5%A4%B1%E6%96%B0%E9%A2%96%E6%80%A7%E7%9A%84%E5%85%AC%E5%BC%80.md) [5.4撤回专利申请声明](5.4%E6%92%A4%E5%9B%9E%E4%B8%93%E5%88%A9%E7%94%B3%E8%AF%B7%E5%A3%B0%E6%98%8E.md) [5.5著录项目变更](5.5%E8%91%97%E5%BD%95%E9%A1%B9%E7%9B%AE%E5%8F%98%E6%9B%B4.md)