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Chinese to English Post-Edited Machine Translation Service |
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| http://patentinfo.european-patent-office.org/index.en.php |
European Patent Office (EPO) |
| http://www.european-patent-office.org/_new_patinfo_centers/index.en.php |
PatLib |
| http://www.copyright.gov/ |
U.S. Govt. copyright office website |
| http://www.uspto.gov/ |
United States Patent Office (USPTO) |
| http://www.wipo.int/about-ip/en/about_patents.html#protection |
WIPO and Inventors help |
| http://www.freepatentsonline.com/ |
Freepatentsonline search |