• US patents issued since 1976 and published US patent applications can be accessed using any of the search tools:
  by Text, by Field, by Number, Quick Fetch, or Quick Search

• US patents issued prior to 1976 can be accessed using only the Quick Fetch and by Number tools:
  by Number or Quick Fetch

• All other patents (EPO, WIPO, and national publications) can be accessed using any of the search tools:
  by Text, by Field, by Number, Quick Fetch, or Quick Search

Quick Fetch

Search by Patent Number

The Quick Fetch engine allows you to retrieve a patent when you already know its patent number. You can always access the Quick Fetch engine using the panel to the left. Just type the patent number into the Quick Fetch box in the panel to the left. Then, click on the Go button to get the patent. Tip: If you are retrieving multiple patents by patent number, use the by Number search tool. You can always access the by Number search tool by clicking on the by Number link in the panel to the left.

Quick Search

Search by Patent Text

The Quick Search engine allows you to search the patent text database for a particular set of words. You can always access the Quick Search engine using the panel to the left. Just type the words you are looking for into the Quick Search box in the panel to the left. Then, click on the Go button to start the search. Tip: You can access additional options for the text search by clicking on the by Text link in the panel to the left.

by Text	Search by Patent Text
The by Text engine allows you to search the patent text database for a particular set of words. The search can also be restricted to a particular field. You can always access the by Text engine by clicking the by Text link in the panel to the left.

by Field	Search by Patent Fields
The by Field search engine allows you to search for patents that match a particular set of bibliographic field values. You can always access the by Field engine by clicking the by Field link in the panel to the left.

by Number	Search by Document Number
The by Number search engine allows you to search for patents by patent number. You can always access the by Number engine by clicking the by Number link in the panel to the left.

Recent Searches	Search History
The Recent Searches link in the panel to the left (beneath the Quick Search section) will bring up a list of recent searches you have performed. You can use this list to quickly recover your recent search results. The Recent Searches link only appears if you have previously performed searches from your account.