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EP0717524
European procedure
Extract from the Register of European Patents
EP About this file: EP0717524
| EP0717524 - Polarization modulation in wavelength division multiplexed transmission systems [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.07.2005 Database last updated on 01.04.2026 | Most recent event Tooltip | 17.02.2006 | Lapse of the patent in a contracting state New state(s): NL | published on 05.04.2006 [2006/14] | Applicant(s) | For all designated states Tyco Telecommunications (US) Inc. 340 Mount Kemble Avenue Morristown, NJ 07960 / US | [2003/51] |
| Former [1999/15] | For all designated states Tyco Submarine Systems Ltd. 340 Mount Kemble Avenue Morristown, NJ 07960 / US | ||
| Former [1996/25] | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | Inventor(s) | 01 /
Bergano, Neal S. 11 Harvey Avenue Lincroft, New Jersey 07738 / US | 02 /
Davidson, Carl R. 12 Ross Terrace Manalapan, New Jersey 07726 / US | [1996/25] | Representative(s) | Weitzel, David Stanley, et al Brookes Batchellor 102-108 Clerkenwell Road London EC1M 5SA / GB | [N/P] |
| Former [1998/22] | Weitzel, David Stanley, et al Batchellor, Kirk & Co., 2 Pear Tree Court, Farringdon Road London EC1R 0DS / GB | ||
| Former [1996/25] | Watts, Christopher Malcolm Kelway, Dr., et al AT&T (UK) Ltd. 5, Mornington Road Woodford Green Essex, IG8 0TU / GB | Application number, filing date | 95308849.9 | 06.12.1995 | [1996/25] | Priority number, date | US19940355798 | 14.12.1994 Original published format: US 355798 | [1996/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0717524 | Date: | 19.06.1996 | Language: | EN | [1996/25] | Type: | A3 Search report | No.: | EP0717524 | Date: | 02.05.1997 | [1997/18] | Type: | B1 Patent specification | No.: | EP0717524 | Date: | 22.09.2004 | Language: | EN | [2004/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.03.1997 | Classification | IPC: | H04J14/02, H04B10/135 | [1997/18] | CPC: |
H04B10/532 (EP,KR);
H04J14/03 (KR);
H04J14/0307 (EP,US);
H04B10/503 (KR);
H04B10/548 (KR);
H04J14/06 (EP)
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| Former IPC [1996/25] | H04J14/02 | Designated contracting states | DE, FR, GB, IT, NL, SE [1996/25] | Title | German: | Polarisationsmodulation in Wellenlängen-Multiplex Übertragungssystemen | [1996/25] | English: | Polarization modulation in wavelength division multiplexed transmission systems | [1996/25] | French: | Modulation de polarisation dans des systèmes de transmission à multiplexage d'ondes | [1996/25] | Examination procedure | 16.10.1997 | Examination requested [1997/51] | 19.03.2002 | Despatch of a communication from the examining division (Time limit: M04) | 18.07.2002 | Reply to a communication from the examining division | 27.03.2003 | Despatch of a communication from the examining division (Time limit: M06) | 30.09.2003 | Reply to a communication from the examining division | 17.03.2004 | Communication of intention to grant the patent | 19.07.2004 | Fee for grant paid | 19.07.2004 | Fee for publishing/printing paid | Opposition(s) | 23.06.2005 | No opposition filed within time limit [2005/37] | Fees paid | Renewal fee | 05.12.1997 | Renewal fee patent year 03 | 27.11.1998 | Renewal fee patent year 04 | 06.12.1999 | Renewal fee patent year 05 | 07.12.2000 | Renewal fee patent year 06 | 13.12.2001 | Renewal fee patent year 07 | 12.12.2002 | Renewal fee patent year 08 | 12.12.2003 | Renewal fee patent year 09 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | NL | 22.09.2004 | SE | 22.12.2004 | [2006/14] |
| Former [2005/10] | SE | 22.12.2004 | Documents cited: | Search | [AD] TAYLOR M G: "OBSERVATION OF NEW POLARIZATION DEPENDENCE EFFECT IN LONG HAUL OPTICALLY AMPLIFIED SYSTEM", IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 5, no. 10, September 1993 (1993-09-01), USA, pages 1244 - 1246, XP000644915 [AD] * page 15 - page 19 * * page 95 - page 98 * DOI: http://dx.doi.org/10.1109/68.248442 | [AD] KYO INOUE: "ARRANGEMENT OF ORTHOGONAL POLARIZED SIGNALS FOR SUPPRESSING FIBER FOUR-WAVE MIXING IN OPTICAL MULTICHANNEL TRANSMISSION SYSTEMS", IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 3, no. 6, 1 June 1991 (1991-06-01), pages 560 - 563, XP000227356 DOI: http://dx.doi.org/10.1109/68.91035 | [A] CAPONIO N ET AL: "DEMONSTRATION OF POLARISATION INDEPENDENT COHERENT TRANSMISSION BY SYNCHRONOUS INTRA-BIT POLARISATION SPREADING", COMMUNICATIONS - RISING TO THE HEIGHTS, DENVER, JUNE 23 - 26, 1991, vol. 1 OF 3, 23 June 1991 (1991-06-23), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 343 - 347, XP000269428 DOI: http://dx.doi.org/10.1109/ICC.1991.162386 | [PX] HEISMANN F: "FAST POLARIZATION CONTROLLERS AND SCRAMBLERS FOR HIGH-SPEED LIGHTWAVE SYSTEMS", OPTICAL FIBER COMMUNICATION. SUMMARIES OF PAPERS PRESENTED AT THE CONFERENCE OFC '95, SAN DIEGO, FEB. 26 - MAR. 3, 1995, vol. 8, 26 February 1995 (1995-02-26), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 11 - 13, XP000517629 |