The expansion of patent embodies in the extension of the validity of patent right in respect of duration and scope.

专利权的扩张体现于专利权效力在时间和范围上的延展。

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One would let an alleged infringer of a patent challenge its validity at the patent and Trademark Office (PTO), rather than going to court.

在一纸诉状上公堂之前，必须先在专利商标局让所谓的侵权人质询其专利的有效性。

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The patentee should make known to its legal advisers any concerns it has about the validity of its patent (s), for example, identifying any close prior art.

专利权人应当让其法律顾问了解其对专利有效性所关注的任何事情，例如，对有关专利的最新技术的检索。

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This case and others challenging the validity of patent protection call into question whether the patent office is abdicating its role of supporting inventors, both big and small, instead becoming an impediment to American innovation.

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Her method for probing the validity of a patent often starts with a Google search, moving on to Wikipedia and more obscure troves, like Japanese patent databases translated into English.

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The problem is that the PTO has proposed rules for implementing supplemental examination that would require the patent owner to mount an assault in detail on the validity of his own patent.

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