USPTO – United States Patents & Trademarks office
Introduction
Searching for “patents” and “published applications” based on keywords can be done on the patent search page on the U.S. Patent Office's
Websites:
Search database : http://patft.uspto.gov/
USPTO:
• The USPTO Public Search Room
• Patent and Trademark Depository Libraries (PTDL’s)
– Located in 50 states, Washington D.C. and Puerto Rico
Features of the Website to search for Patents and trademarks:
• Apply Online for a Patent or Trademark
• Check Status of a Patent or Trademark Online
• Search US Patent and Trademark Databases
• Search Patent and Trademark Classification Manuals
• Download Forms and Fee Schedules
• Patent and Trademark Help Resources
• Access Details of Currently Pending Published Patent Applications (Public PAIR)
USPTO:
1. Issued Patents [PATFT]
§ It provides online full-text access for patents issued since 1976.
§ Older patents cannot be searched using their text, but can be searched by Class or number, and their full-page images can be obtained since 1790.
2. Published applications [APPFT]
· The Patent Office began publishing pending applications in 2001, and the text of published applications can also be searched by keywords.
· Published Applications since 15 march 2001
3. Since the issued patents and published applications are on separate databases, they must be searched separately.
4. To view the patent images, it may be necessary to install TIFF-viewing software that can handle the particular format used by the Patent Office.
For help: http://patft.uspto.gov/help/images.htm
Patents issued 1976-present vs. Patents issued 1790-1975:
1976-present
Full-text searching available (inventor name, assignee, title, abstract, claims, description, etc.) through the Patent Full-Text Database
Can search for patents using Quick or Advanced Search OR you can do Classification Searching
1790-1975
Can use the Quick and Advanced Search using issue dates or if patent number or current US classification is known.(Examples: patent number: 3,461,274 and classification number: 99/385)
Must use Classification Searching to find patents from 1790- 1975
United states-USPTO
Advanced search - issued patents
[1976 to present - full text]
[1976 to present - full text]
Search by issued patent number
[1976 to present]
[1976 to present]
US Patent Full-Page Images
[Enter a utility patent number in format 0nnnnnnn (leading zeroes plus up to 7 numeric digits, right justified)]
[Enter a utility patent number in format 0nnnnnnn (leading zeroes plus up to 7 numeric digits, right justified)]
Advanced search - published applications
[2001 to present - full text]
[2001 to present - full text]
Search by published application number
[2001 to present]
[2001 to present]
US Published Patent Application Full-Page Images
[Enter a published patent application publication number in format yyyynnnnnnn (the left-justified year, plus up to 7 numeric digits, right justified, zero filled)]
[Enter a published patent application publication number in format yyyynnnnnnn (the left-justified year, plus up to 7 numeric digits, right justified, zero filled)]
US Patent Maintenance Fees (application AND patent number required)
UNITED STATES- PATENT MANAGEMENT AND CONCEPTS
BASICS - Click Here
ANATOMY OF PATENT - Click Here
PATENTABILITY - Click Here
NUMBER GUIDE - Click Here
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