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Network Working Group J. Lowe Request for Comments: 1822 IBM Category: Informational August 1995

    A Grant of Rights to Use a Specific IBM patent with Photuris

Status 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.


 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.


 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  10594

Security Considerations

 The referenced protocol is a security-related protocol.

Author's Address

 John W. Lowe
 IBM Corporation
 500 Columbus Avenue
 Thornwood, New York 10594

Lowe Informational [Page 2]

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