Patent Public Search | USPTO - extended window - extended window
Patent Public Search is a USPTO tool for searching and viewing international patent filings.
Patents between 1790 and 2015 were classified by the United States Patent Classification (USPC) schedule. The corresponding CPC numbers have been added retrospectively to these older patents. Searching for U.S. granted patents and patent applications is conducted on a single interface, Patent Public Search.
Search and research millions of U.S. patents for free on Justia.com.
If you do not know the 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: Patents issued after 1975 can be easily searched by keyword. This will search in specific fields like the assignee, as well as the full text of the patent.
Search by Patent Number or Patent Application Number. Use the Quick Lookup box at the top of the page, The Search button located to the right executes the search.. Search Tips: Patent searches require 7 Digits, so add zeros to at the beginning of the number. Examples. Patent Number 123456 should be entered as 0 123456; Patent Number 12345 should be entered as 00 12345
Tools For Searching U.S. Patents 1. PatFT (Patent Full-Text and Image Database) PatFT is the official database developed by the USPTO, which contains every patent filed or granted in the U.S. Users can execute searches by patent number, keyword, classification code, and inventor names. PatFT contains full-text patents that track back to 1976 and PDF images of patents that date back to 1790.
USPTO Patent Public Search: If you are based in the U.S., you’ll likely start with this database on the United States Patent and Trademark Office (USPTO) website, which offers access to U.S. patents and published applications from 1790 up to present day.
Go to the US Patent Full-Text and Image Database (PatFT). The PatFT holds full-text patents issued from 1976 to the present. Older patents exist in the database as PDF images only. However, you can only search for pre-1976 patents if you have the patent number or know the official classification scheme.
The United States Patent and Trademark Office (USPTO) Public Search Facility (PSF), located in Alexandria, Virginia, provides public access to patent and trademark information in a variety of formats, including online, microfilm, and print.
Patent Public Search | USPTO - United States Patent and Trademark Office
File and manage patent applications online. Patent fees. View fees and pay online. Check application status. Check patent application status in Patent Center. Global Dossier. View international patent filings. Electronic Business Center. Support center for help with Patent Center and other electronic services. Patent data visualization ...
The U.S. and other countries have classification systems that categorize issued and pending patents into technology groups identified by a number, and these must be used in order to do a thorough search. Start with a keyword search in Google Patents to identify relevant patents, examine their classifications, and then search key classifications.
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. For a ...
Utility Patents: Standard Term: In the United States, utility patents filed on or after June 8, 1995, have a term of 20 years from the earliest effective filing date. This term begins from the filing date of the earliest U.S. or international application to which priority is claimed, excluding provisional applications.
