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www.uspto.gov/patents-application-process/search-patents

Inventors are encouraged to search the USPTO's patent database to see if a patent has already been filed or granted that is similar to your patent. Patents may be searched in the USPTO Patent Full-Text and Image Database (PatFT). The USPTO houses full text for patents issued from 1976 to the present ...

www.uspto.gov

In [any] innovation ecosystem, intellectual property is a fundamental pillar to achieving overall success. Indeed, to raise investment, protect markets and enable the outflow of innovation to adjacent industries, a well-functioning, carefully balanced patent system is a necessity.

www.patentbuddy.com/pages/patentNumberSearch.jsf

Patent Buddy offers a free search of patents, inventors and current patent owners. You can also search for patent attorneys & agents. Sign up Today!

www.wikihow.com/Look-Up-Patent-Numbers

How to Look Up Patent Numbers. Each patent, whether issued by the United States Patent and Trademark Office or another country's patent office, has a unique number that distinguishes it from any other patent. You can use this number to...

www.google.com/advanced_patent_search

Advanced Patent Search: About Google : ... with at least one of the words : without the words: Patent number: Return patents with the patent number: ... Return patents with the current U.S ...

www.neustel.com/patents/patent-number-search

Patent Number Search. A “patent number search” simply involves searching for a specific patent number.Unlike a regular U.S. patent search, a patent number search searches for a single patent by its corresponding number.You have to first know what the patent number is which is typically conspicuously placed on a commercial product or its packaging.

instr.iastate.libguides.com/patents/USsearch

If you do not have a U.S. patent number. You can also search for patents by topic or inventor, but options vary depending on how far back you want to search: For patents issued after 1975: Go to either Google Patents or Espacenet to search and obtain the full text of the patent(s) regardless of whether you want to do a subject or assignee ...

www.usa.gov/federal-agencies/u-s-patent-and-trademark-office

Directory listing for U.S. Patent and Trademark Office. The .gov means it’s official. Federal government websites often end in .gov or .mil.

www.legalzoom.com/.../patent-search-overview.html

Patent Search. Patent Search - Save Time and Money by Conducting a Patent Search before Preparing a Patent Application. Before you spend time and money preparing a patent application, you’ll want to make sure you've identified any existing patents or published applications that contain inventions similar to yours.

www.neustel.com/patents/united-states-patent-search

Request More U.S. Patent Search Information. If you would like more information about our U.S. patent search services, you can Request a Free Patent Brochure or call us at 1-800-281-7009 to speak with a U.S. Patent Attorney. You can also request a patent search online using our Legal Service Request Form.