Results according to the Free Patent search.

免费专利搜索得到的结果。

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Invited to the State Intellectual Property Office, patent search-patent Photo OK the name alone.

请到国家知识产权局专利检索—专利名称就有图片OK了。

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On the ground floor of the patent Office is the Search Room, a vast space filled with patents.

专利局的底层是档案查阅室，宽阔的空间里堆满了专利资料。

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The recent improvement also adds some Euro flavor to Google's patent search by including submissions to the European Patent Office.

ENGADGET: Google Patents search gets upgrade, now filled with prior art and European patent goodness

Now Google's patent search is giving prior art some love as well with the addition of the aptly named "Prior Art Finder" to its patent search tool.

ENGADGET: Google Patents search gets upgrade, now filled with prior art and European patent goodness

This is true despite the fact that prior to filing a patent application a thorough search is typically performed, looking for any publication that might block a patent from issuing, and that a patent application is only filed when chances for obtaining a patent appear good.

FORBES: Keep the Current Standard for Invalidating a Patent