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The patent EP1721230 was granted to Adaptive Spectrum And Signal Alignment on May 10, 2017. The application was originally filed on Dec 2, 2004 under application number EP04801293A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| SWISSCOM SCHWEIZ | Feb 8, 2018 | DETKEN | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10001150 |
| DESCRIPTION | US5832387 |
| INTERNATIONAL-SEARCH-REPORT | DE10001150 |
| INTERNATIONAL-SEARCH-REPORT | EP1283655 |
| INTERNATIONAL-SEARCH-REPORT | US5479447 |
| INTERNATIONAL-SEARCH-REPORT | US5832387 |
| INTERNATIONAL-SEARCH-REPORT | US6075821 |
| OPPOSITION | DE10001150 |
| OPPOSITION | US2002009155 |
| OPPOSITION | US2003086514 |
| OPPOSITION | US2003218984 |
| OPPOSITION | US5479447 |
| OPPOSITION | US6647070 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
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Dec 21, 2018
Dec 18, 2018
Sep 10, 2018
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May 10, 2017
Apr 13, 2017
Decision to grant a European patent
Search/Exam
Apr 6, 2017
Decision to allow further processing
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Mar 29, 2017
(Electronic) Receipt
Search/Exam
Mar 29, 2017
French translation of claims
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Mar 29, 2017
German translation of the claims
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Mar 29, 2017
Letter accompanying subsequently filed items
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Mar 29, 2017
Request for further processing
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Feb 7, 2017
Aug 22, 2016
Aug 22, 2016
Aug 22, 2016
Intention to grant (signatures)
Search/Exam
Aug 22, 2016
Text intended for grant
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Aug 10, 2016
Jun 6, 2016
Decision to allow further processing
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May 27, 2016
(Electronic) Receipt
Search/Exam
May 27, 2016
Description
Search/Exam
May 27, 2016
Letter accompanying subsequently filed items
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May 27, 2016
Request for further processing
Search/Exam
Mar 17, 2016
Sep 29, 2015
Sep 29, 2015
Sep 29, 2015
Intention to grant (signatures)
Search/Exam
Sep 29, 2015
Text intended for grant
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Aug 21, 2015
Aug 18, 2015
Decision to allow further processing
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Aug 6, 2015
(Electronic) Receipt
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Aug 6, 2015
Amended description with annotations
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Aug 6, 2015
Description
Search/Exam
Aug 6, 2015
Letter accompanying subsequently filed items
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Aug 6, 2015
May 27, 2015
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Intention to grant (signatures)
Search/Exam
Dec 9, 2014
Text intended for grant
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Sep 25, 2014
Sep 22, 2014
Decision to allow further processing
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Sep 12, 2014
(Electronic) Receipt
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Sep 12, 2014
Description
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Sep 12, 2014
Letter accompanying subsequently filed items
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Sep 12, 2014
Jul 4, 2014
Jan 22, 2014
Jan 22, 2014
Jan 22, 2014
Intention to grant (signatures)
Search/Exam
Jan 22, 2014
Text intended for grant
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Dec 19, 2013
Dec 13, 2013
(Electronic) Receipt
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Dec 13, 2013
Letter accompanying subsequently filed items
Search/Exam
Dec 13, 2013
Dec 5, 2013
Dec 2, 2013
Dec 2, 2013
Nov 29, 2013
Nov 26, 2013
Nov 8, 2013
Nov 6, 2013
Oct 25, 2013
(Electronic) Receipt
Search/Exam
Oct 25, 2013
Amended claims with annotations
Search/Exam
Oct 25, 2013
Claims
Search/Exam
Oct 25, 2013
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2013
Jun 18, 2013
Jun 18, 2013
Jun 18, 2013
Intention to grant (signatures)
Search/Exam
Jun 18, 2013
Text intended for grant
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Oct 19, 2012
(Electronic) Receipt
Search/Exam
Oct 19, 2012
Claims
Search/Exam
Oct 19, 2012
Description
Search/Exam
Oct 19, 2012
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2012
Sep 26, 2012
Annex to the communication
Search/Exam
Sep 26, 2012
Communication from the Examining Division
Search/Exam
Jan 11, 2012
Decision to allow further processing
Search/Exam
Dec 21, 2011
(Electronic) Receipt
Search/Exam
Dec 21, 2011
Amended claims with annotations
Search/Exam
Dec 21, 2011
Claims
Search/Exam
Dec 21, 2011
Description
Search/Exam
Dec 21, 2011
Letter accompanying subsequently filed items
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Dec 21, 2011
Request for further processing
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Oct 27, 2011
Jul 13, 2011
Jul 8, 2011
Jun 24, 2011
Jun 22, 2011
Request for correction of client data
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Jun 20, 2011
Request for correction of client data
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Mar 10, 2011
Annex to the communication
Search/Exam
Mar 10, 2011
Communication from the Examining Division
Search/Exam
Sep 23, 2010
Amended claims with annotations
Search/Exam
Sep 23, 2010
Claims
Search/Exam
Sep 23, 2010
Description
Search/Exam
Sep 23, 2010
Sep 15, 2010
Amended claims with annotations
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Sep 15, 2010
Claims
Search/Exam
Sep 15, 2010
Description
Search/Exam
Sep 15, 2010
May 11, 2010
May 5, 2010
Annex to the communication
Search/Exam
May 5, 2010
Communication from the Examining Division
Search/Exam
May 5, 2010
Apr 21, 2010
General enquiry
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May 27, 2008
Decision to allow further processing
Search/Exam
May 5, 2008
Claims
Search/Exam
May 5, 2008
Claims
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May 5, 2008
Description
Search/Exam
May 5, 2008
Letter accompanying subsequently filed items
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May 5, 2008
Request for further processing
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Apr 24, 2008
Claims
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Apr 24, 2008
Description
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Apr 24, 2008
Request for further processing
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Feb 14, 2008
Feb 7, 2008
Dec 13, 2007
Annex to the communication
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Dec 13, 2007
Communication from the Examining Division
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Nov 22, 2006
Payment of fees and costs
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Oct 18, 2006
Oct 2, 2006
Sep 28, 2006
Copy of the international search report
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Sep 28, 2006
Jul 31, 2006
Jul 7, 2006
Jul 7, 2006
Description
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Jul 7, 2006
Letter accompanying subsequently filed items
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Jul 7, 2006
Matter concerning the application
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Jul 7, 2006
Request for entry into the European phase
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Jul 5, 2006
Letter concerning fees and payments
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Jul 5, 2006
Request for entry into the European phase
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Apr 28, 2006
Information on entry into European phase
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Apr 27, 2006
Abstract
PCTISA
Apr 27, 2006
Claims
PCTISA
Apr 27, 2006
Description
PCTISA
Apr 27, 2006
Drawings
PCTISA
Mar 20, 2006
Jul 12, 2005
Jul 12, 2005
Jun 23, 2005
Published international application - A2
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May 9, 2005