Rule 68 In the course of the examination of the request for invalidation, the patentee for the patent for invention or utility model concerned may amend its or his claims, but may not broaden the scope of patent protection.

• 第六十八条 在无效宣告请求的审查过程中，发明或者实用新型专利的专利权人可以修改其权利要求书，但是不得扩大原专利的保护范围。