Is SAML patent-encumbered?
Without making any definitive legal statements, while parts of SAML in the past were encumbered by a royalty-free license from RSA Data Security, RSA has joined with other OASIS member companies in issuing broad non-assertion covenants that grant everybody the ability to implement and use the SAML standard without concerns. In other words, SAML is as open as things get these days. Refer to the OASIS IPR Declaration for additional information on disclosed patents and the accompanying statements that grant their use.
