IPR Details
Xerox's Patent Claim pertaining to the RFC2301 - File Format for Internet Fax

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

Submitted: September 9, 1999 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 Xerox Corporation

II. Patent Holder's Contact for Licence Application

Holder contact name Dr. Jan Jaferian
Holder contact email
Holder contact info

Vice President
Xerox Intellectual Property Operations (XIPO), ATTN: MRC License Inquiries
100 Willowbrook Office Park, Bldg. 832-01A
Fairport, New York 14450 U.S.A.

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

RFC: RFC2301 ("File Format for Internet Fax")

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)

U.S. Patent No. Re35,657
U.S. Patent No. 5,778,092

B. Does this disclosure relate to an unpublished pending patent application?: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

To the extent that Xerox's existing intellectual property rights under the above two
patents may cover the implementation of a product compliant with the TIFF-FX
standard, Xerox agrees to provide, upon request, a royalty-free, world-wide,
non-exclusive license under certain claims of the above two patents (not including
the segmentation technology described in the specification and set forth in claims
2-4, 7, 8, or 12-14 of U.S. Patent No. 5,778,092, which is not considered to be an
essential technology for the implementation of the TIFF-FX standard) for the purpose
of making, having made, using, selling, offering for sale, or otherwise disposing of
a product implementing the TIFF-FX standard, and only to the limited extent
necessary for the product to comply with the TIFF-FX standard.

Any license granted by Xerox under this Statement shall be subject to the following
condition: any party receiving such a grant from Xerox must agree to grant Xerox
Corporation, Xerox Ltd., Fuji Xerox Co. Ltd., Modi Xerox Limited and any
corporation, firm, partnership, individual, or other form of business organization
at least forty percent (40%) owned or controlled, directly or indirectly, by Xerox
Corporation, Xerox Ltd., Fuji Xerox Ltd. or Modi Xerox Limited, upon request, a
license under that party's patents relating to the TIFF-FX standard, on terms and
conditions no less favorable than those granted by Xerox to that party.

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 Clarke Wixon
Submitter email

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