This links to a Wikipedia article which says: "The Secure Remote Password protocol (SRP) is an augmented password-authenticated key agreement (PAKE) protocol,

This links to a Wikipedia article which says: "The Secure Remote Password protocol (SRP) is an augmented password-authenticated key agreement (PAKE) protocol, specifically designed to work around existing patents." ...but it doesn't go into any detail about said patents. Could someone here shed some light, please?