安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- 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
- United States Patent and Trademark Office
Celebrate 250 years of American innovation with the USPTO Discover milestones and stories that shape our nation’s future Home page of the United States Patent and Trademark Office's main web site
- 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
- U. S. Patent, Patent Application and Patent Search - Justia Patents Search
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
- 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
- Patent - Wikipedia
In modern usage, the term patent usually refers to the right granted to anyone who invents something new, useful and non-obvious
- WIPO - Search International and National Patent Collections
This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results
- Espacenet – patent search
Espacenet provides free access to over 120 million patent documents worldwide, enabling users to search, download, compare, and translate patents
|
|
|