Paste patent numbers into the text area, then press ‘Lookup’ to run the process to identify them, and ‘Download SPIF data’ to download a copy of your data in SPIF format.

By using this service you agree to the terms and conditions, and privacy policy. Specifically, we reserve the right to anonymously record any corrections you make to ambiguous number choices, in order to improve the service in the future.

As this is a free, public service it is limited to 250 lines of data, with one patent number per line. Cipher subscribers have access to a version with more capabilities, which can process up to 500 thousand rows at a time.

Examples of the formats recognised include:

US7123456B2
United States 10860565
US15/121,503
CN,ZL200610139336.1
FR 1320847
Germany 1320847

When you Lookup patent numbers a table will appear that indicates any input numbers where the results are ambiguous, or couldn't be found:

Ambiguous	Where the number provided matches multiple assets. We guess the most likely match from context, and offer the alternatives.
Unknown number	We don't have a record of this exact patent number, but it is a recognised format.
Unrecognised format	We don't have a match for this format of patent number. Try to find an alternate format.