IPR Details
Digital Fountain, Inc.'s statement about IPR claimed in draft-ietf-rmt-bb-fec-raptor-object-03.txt

Submitted: March 16, 2006 under the rules in RFC 3979

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.

Updated by

This IPR disclosure has been updated by IPR disclosure ID #734, "Digital Fountain, Inc.'s statement about IPR claimed in draft-ietf-rmt-bb-fec-raptor-object-04.txt".



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

Holder legal name
Digital Fountain, Inc.

II. Patent Holder's Contact for License Application

Holder contact name
Charlie Oppenheimer
Holder contact email
Holder contact info

President and CEO
39141 Civic Center Drive, Suite 300
Fremont, CA 94538 USA
T: +1 (510) 284-1477

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

draft-ietf-rmt-bb-fec-raptor-object ("Raptor Forward Error Correction Scheme for Object Delivery")
Revisions: 03

IV. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by RFC 3979

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

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

6,307,487; 6,320,520; 6,373,406; 6,614,366; 6,856,263; 6,909,383;6,073,250; 6,081,909; 6,163,870
Date: 23 Oct 01; 20 Nov 01; 16 Apr 02; 02 Sept 03; 15 Feb 05; 21 Jun 05; 06 Jun 00; 27 Jun 00; 19 Dec 00
Country: US

Notes: Additional granted patents include:

patent # 1116335, issued 18 Dec 02 (DE, EP, FR, GB, IT);
patent # HK1038995, issued 13 Jun 03 (HK);
patent #s 79667, 82441, issued 30 Sep 03, 31 Mar 04 (SG);
patent # 767140, issued 18 Mar 04 (AU);
patent # NI-194502, issued 21 Jan 04 (TW)

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending

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):

Unwilling to Commit to the Provisions of a), b), or c) Above
Licensing information, comments, notes, or URL for further information

(No information submitted)

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
Charlie Oppenheimer
Submitter email

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