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Intellectual property rights (IPR) in ITU-T Recommendations

Patent statement declaration registered as T82-14
Citation: http://handle.itu.int/11.1002/ps/T82-14
Recommendation number: T.82
ITU registration date: 1992-05-12
Statement declaration date:
Patent holder/organization: AT&T Corp.
Main contact: Mr. Thomas Frost, AT&T Intellectual Property Management
Address: Room 2E37 - Bldg 2
180 Park Ave, Florham Park, New Jersey 07932
United States
Tel.: +1 973 236 6760
Fax: +1 973 236 6452
Declaration form version: Declared without the use of the form.
Licensing declaration: Pat. pol. 2.2 (Under the condition of reciprocity; Patent statement addressed to ISO)
Late submission remark: -
Statement remark: AT&T informed on 11 July 2001 that AT&T is no longer the owner of the patent. Lucent informed on 9 April 2003 that Lucent has taken over this patent and will continue to offer the license on the same condition as the original declaration. The statement has been re-filed under a new statement ID as per ITU-T practice. See T82-24.
Archived declaration:
TSB patent IdCountryPublication numberApplication numberTitleStatusEPO search (Espacenet)
T82-14-01
US
4873577 Edge decomposition for the transmission of high resolution facsimile imagesGranted
T82-14-02
US
5025258 Adaptive probability estimator for entropy encoding/decodingGranted
T82-14-03
US
4979049 Efficient encoding/decoding in the decomposition and recomposition of a high resolution image utilizing its low resolution replicaGranted
T82-14-04
US
5031053 Efficient encoding/decoding in the decomposition and recomposition of a high resolution image utilizing pixel clustersGranted
T82-14-05
US
5023611 Entropy encoder/decoder including a context extractorGranted
T82-14-06
US
4973961 Method and apparatus for carry-over control in arithmetic entropy codingGranted
Disclaimer: This database only displays information communicated to the ITU Secretariat, and is not certified to be either accurate or complete.
The ITU secretariat does not verify the veracity, completeness or accuracy of the information contained in the Patent and Software Declaration Forms, including the actual or potential essentiality of patents or patent applications declared as essential to ITU-T Recommendations.

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