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日期:2024-07-14
Home page of the United States Patent and Trademark Office's main web site....
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The US Patent and Trademark Office (
PTO) offers World-Wide Web (Web) ......
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日期:2024-07-16
2013年9月30日 - See this important information about searching for patents: ... How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy - Web ......
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日期:2024-07-17
Log In Sign Up Advanced Patents/Apps Non-Patent Literature Blogs/Groups MPEP Case Law Search Blogs MPEP 2.0 Tools & Resources Products & Services Help FPO Blogs Communicate with the IP community and learn more with our blogs - something for all ......
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Complete Patent Searching Database and Patent Data Analytics Services....
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日期:2024-07-13
Note that most fields support Phrase (ABST/"cardboard box"), Proximity ......
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日期:2024-07-20
Patents.com provides one of the most comprehensive worldwide sources of patent data. A source for patent data, analytic tools and provides a hosted community platform enabling users to connect to generate business opportunities, including the licensing/sa...
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日期:2024-07-13
The official website of the European Patent Office (EPO). Find information on applying and searching for patents, legal issues on patents, patent grants, rules ......