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Network Working Group                                            J. LoweRequest for Comments: 1822                                           IBMCategory: Informational                                      August 1995A Grant of Rights to Use a Specific IBM patent with PhoturisStatus of this Memo   This memo provides information for the Internet community.  This memo   does not specify an Internet standard of any kind.  Distribution of   this memo is unlimited.Note:   This RFC is NOT a standard. It is an official public record of a   grant by IBM Corporation for the use of a specific IBM patent in   conjunction with the Photuris key management protocol.Purpose   This Request for Comments records a grant by IBM Corporation to   permit the conditional free use of one of its patents.  This grant is   made to help facilitate adoption of the Internet Key Management   Protocol contribution IBM has offered to the IETF. It should be noted   that the confirmatory license mentioned is optional.  The grant is   made in this RFC and parties have it even if they do not request a   confirmation from IBM.A Grant of Rights to Use IBM US Patent 5,148,479   IBM hereby covenants that it will not assert its US Patent 5,148,479   or its non-US counterparts against any party that implements Photuris   or any derivative that includes IBM's IKMP contribution, and operates   in compliance with Photuris or such derivative, when Photuris or such   derivative is employed in connection with any Internet Protocol.   This grant of rights will terminate with respect to any party that   asserts a patent it owns, directly or indirectly, against IBM for   IBM's implementation of and operation in compliance with Photuris or   any derivative, as defined above.  The termination will occur as of   the date the patent is asserted against IBM.Lowe                         Informational                      [Page 1]

RFC 1822                    IKMP Patent Use                  August 1995   A written confirmation of this grant, and/or a license under any   other IBM patent under IBM's then-current terms, conditions and   royalty rates, can be obtained by sending a request to:           John W. Lowe           IBM Corporation           500 Columbus Avenue           Thornwood, New York  10594Security Considerations   The referenced protocol is a security-related protocol.Author's Address   John W. Lowe   IBM Corporation   500 Columbus Avenue   Thornwood, New York 10594   USALowe                         Informational                      [Page 2]