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IPR Details
IBM Patent Statement pertaining to RFCs 2630 through RFC2634 (SMIME), and RFC2459(PKIX)

The text of the original IPR disclosure is available in the disclosure history.

Submitted: August 10, 2000 under the rules in RFC 2026.

Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.

I. Patent Holder/Applicant ("Patent Holder")

Holder legal name IBM Corporation

II. Patent Holder's Contact for License Application

Holder contact name Gerrianne Delaney
Holder contact email
Holder contact info

IBM Director of Licensing
North Castle Drive, Armonk, N.Y., 10504

III. IETF Document or Other Contribution to Which this IPR Disclosure Relates

RFC2630 ("Cryptographic Message Syntax")
RFC2634 ("Enhanced Security Services for S/MIME")
RFC2632 ("S/MIME Version 3 Certificate Handling")
RFC2633 ("S/MIME Version 3 Message Specification")
RFC2459 ("Internet X.509 Public Key Infrastructure Certificate and CRL Profile")
RFC2631 ("Diffie-Hellman Key Agreement Method")

IV. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 2026

A. For granted patents or published pending patent applications, please provide the following information:

Patent, Serial, Publication, Registration, or Application/File number(s)

IBM patent 5953420

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending No

V. Licensing Declaration

The Patent Holder states that its position with respect to licensing any patent claims contained in the patent(s) or patent application(s) disclosed above that would necessarily be infringed by implementation of the technology required by the relevant IETF specification ("Necessary Patent Claims"), for the purpose of implementing such specification, is as follows(select one licensing declaration option only):

Licensing See Text Below for Licensing Declaration
Licensing information, comments, notes, or URL for further information

Where there is a necessary dependence upon this patent to implement the
algorithms, IBM will provide, upon written request from implementers of
S/MIME or PKIX, a non-exclusive license under reasonable and
non-discriminatory terms and conditions, in accordance with IBM's usual
licensing practices.

Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.

VI. Contact Information of Submitter of this Form

Submitter name Chuck Adams, Jr.
Submitter email

VII. Other Notes

Additional notes

- RFC 2630 Cryptographic Message Syntax
- RFC 2631 Diffie-Hellman Key Agreement Method
- RFC 2632 S/MIME Version 3 Certificate Handling
- RFC 2633

Only those sections of the relevant entry form where the submitter provided information are displayed above.