The U-Prove™ technology is covered by a portfolio of patents that have issued in several continents. Following are the titles, serial numbers, and issuance dates of the patents in the United States (available for online perusal).

Privacy-protected transfer of electronic information

Serial number: 5,521,980

Issuance date: May 28, 1996

Privacy-protected transfer of electronic information

Serial number: 5,604,805

Issuance date: February 18, 1997

Secret-key certificates

Serial number: 5,606,617

Issuance date: February 25, 1997

System for ensuring that the blinding of secret-key certificates is restricted, even if the issuing protocol is performed in parallel mode

Serial number: 6,052,467

Issuance date: April 18, 2000

Restrictedly blindable certificates on secret keys

Serial number: 6,148,084

Issuance date: November 14, 2000

Secure cryptographic methods for electronic transfer of information

Serial number: 5,668,878

Issuance date: September 16, 1997

Secure cryptographic methods for electronic transfer of information

Serial number: 5,696,827

Issuance date: December 9, 1997

Cryptographic methods for demonstrating satisfiable formulas from propositional logic

Serial number: 6,320,966

Issuance date: November 20, 2001