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The patent EP2995981 was granted to Corning Cable Systems on Oct 29, 2025. The application was filed on Aug 7, 2009 under application number EP15184772A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| GRUND IPG PATENTANWALTE UND SOLICITOR PARTG MBB | Mar 9, 2022 | GRUND | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | JP2002022974 |
| EXAMINATION | US2005074990 |
| OPPOSITION | DE102007024896 |
| OPPOSITION | JP2002022974 |
| OPPOSITION | US2006029353 |
| OPPOSITION | US2008043451 |
| OPPOSITION | US5167001 |
| OPPOSITION | US5262923 |
| OPPOSITION | US5595501 |
| OPPOSITION | US6102499 |
| OPPOSITION | US6456501 |
| OTHER | US2008037209 |
| OTHER | US2009021417 |
| OTHER | US7570861 |
| OTHER | US7689089 |
| SEARCH | DE4112871 |
| SEARCH | EP0529830 |
| SEARCH | EP0657757 |
| SEARCH | US2002145858 |
| SEARCH | US2005111809 |
| SEARCH | US2008025683 |
| SEARCH | US2008175552 |
| SEARCH | US5167001 |
| SEARCH | US5265187 |
| SEARCH | US5339379 |
| SEARCH | US5978540 |
| SEARCH | US6647197 |
| SEARCH | WO0005611 |
| SEARCH | WO9105281 |
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.
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Payment submission rejected
Search/Exam
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Decision to grant a European patent
Search/Exam
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Observations by third parties
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Apr 30, 2021
(Electronic) Receipt
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Apr 30, 2021
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Apr 30, 2021
Letter accompanying subsequently filed items
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Filing of the translations of the claims
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German translation of the claims
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Description
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French translation of claims
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Dec 18, 2020
Letter accompanying subsequently filed items
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Translation of the claims
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Intention to grant (signatures)
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Aug 21, 2020
Text intended for grant (clean copy)
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Letter accompanying subsequently filed items
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Jul 7, 2020
Apr 27, 2020
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Apr 27, 2020
Amended claims with annotations
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Apr 27, 2020
Claims
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Apr 27, 2020
Description
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Apr 27, 2020
Letter accompanying subsequently filed items
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Apr 27, 2020
Apr 7, 2020
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Apr 7, 2020
Consultation by telephone/in person
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Apr 7, 2020
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Annex to the communication
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Dec 17, 2019
Communication from the Examining Division
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Sep 12, 2019
(Electronic) Receipt
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Sep 12, 2019
Amended claims with annotations
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Sep 12, 2019
Letter accompanying subsequently filed items
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Sep 12, 2019
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Jun 4, 2019
Communication from the Examining Division
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Mar 21, 2019
(Electronic) Receipt
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Mar 21, 2019
Amended claims with annotations
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Mar 21, 2019
Claims
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Mar 21, 2019
Letter accompanying subsequently filed items
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Mar 21, 2019
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Annex to the communication
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Nov 20, 2018
Communication from the Examining Division
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Nov 12, 2018
Examination started
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Oct 26, 2018
(Electronic) Receipt
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Oct 26, 2018
Amended description with annotations
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Oct 26, 2018
Description
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Oct 26, 2018
Drawings
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Oct 26, 2018
Letter accompanying subsequently filed items
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Oct 26, 2018
Matter concerning the application
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May 4, 2018
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Apr 26, 2018
(Electronic) Receipt
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Apr 26, 2018
Letter accompanying subsequently filed items
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Apr 26, 2018
Feb 21, 2018
Refund of fees
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Jan 13, 2017
(Electronic) Receipt
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Jan 13, 2017
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Amended claims with annotations
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Jan 13, 2017
Amended claims with annotations
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Jan 13, 2017
Amendments received before examination
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Jan 13, 2017
Letter accompanying subsequently filed items
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Jul 18, 2016
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European search opinion
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European search report
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Jun 14, 2016
Information on Search Strategy
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Apr 11, 2016
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Letter accompanying subsequently filed items
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Mar 16, 2016
Letter concerning search matters
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Mar 16, 2016
Feb 17, 2016
Notification of forthcoming publication
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Jan 22, 2016
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Information on Search Strategy
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Jan 22, 2016
Partial European search report
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Jan 15, 2016
Modified abstract
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Jan 13, 2016
Search started
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Nov 27, 2015
Communication to designated inventor
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Nov 27, 2015
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Nov 27, 2015
Communication to designated inventor
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Nov 27, 2015
Communication to designated inventor
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Nov 27, 2015
Communication to designated inventor
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Oct 21, 2015
Refund of fees
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Oct 21, 2015
Refund of fees
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Oct 6, 2015
Payment of fees and costs
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Oct 6, 2015
Payment of fees and costs
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Sep 11, 2015
Abstract
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Sep 11, 2015
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Claims
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Sep 11, 2015
Description
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Sep 11, 2015
Designation of inventor
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Sep 11, 2015
Drawings
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Sep 11, 2015
Request for grant of a European patent
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Mar 26, 2010
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