第二，法案体现“优先权之道”——即申请专利的发明之前已有人知道则不能通过。这样就扩大了在P TO参与纠纷的第三方权利。
Second, the bill expands the right of third parties to join the fray at the PTO by showing "prior art" -meaning the invention is already known about and so a patent should not be granted.
在中国没有经常居所或者营业所的申请人，申请专利或者要求外国优先权的，通常需提交哪些文件？
What documents shall be provided when an applicant without a habitual residence or place of business in China applies for a patent or claims foreign priority?
优先权是由《保护工业产权巴黎公约》第4条规定的，是国际专利制度的一个重要特征。
The right of priority, established by Article 4 of the Paris Convention for the Protection of Industrial Property, is a central feature of the international patent system.
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