[2.2.1当事人未委托专利代理机构](2.2.1%E5%BD%93%E4%BA%8B%E4%BA%BA%E6%9C%AA%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) [2.2.2当事人已委托专利代理机构](2.2.2%E5%BD%93%E4%BA%8B%E4%BA%BA%E5%B7%B2%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) [2.2.3其他情况](2.2.3%E5%85%B6%E4%BB%96%E6%83%85%E5%86%B5.md)