安裝中文字典英文字典辭典工具!
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- Google Patents
Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature
- Patents | USPTO - United States Patent and Trademark Office
Find out how to apply for and maintain a patent in the U S , and learn about helpful resources
- U. S. Patent, Patent Application and Patent Search - Justia Patents Search
Get free answers from experienced lawyers! Justia Webinars are free and open to all, lawyers and non-lawyers CLE credit is only available for Justia Connect Pro members View individual webinar pages for CLE accreditation info Lawyers - Get Listed Now! Get a free directory profile listing More
- PATENTSCOPE - WIPO - World Intellectual Property Organization
Free search of international patent applications filed under the PCT System and in many national collections
- Understanding Patents: Types, Rights, and Examples
What Does Patent Mean? A patent is a legal right to an invention given to a person or entity without interference from others who wish to replicate, use, or sell it
- U. S. Patent and Trademark Office (USPTO) | USAGov
The U S Patent and Trademark Office (USPTO) is the agency responsible for granting U S patents and registering trademarks
- Patent - Wikipedia
In modern usage, the term patent usually refers to the right granted to anyone who invents something new, useful and non-obvious
- PAT2PDF - Free PDF copies of patents: Download and print!
Download and print a PDF copy of any U S patent, for free, through the use of a simple web form Multiple patents can be obtained by separating requests with a semicolon Design patents, patent patents, pre-grant publications, re-issues, and statutory invention registrations are all included
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