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The patent EP2852957 was granted to Prysmian on Mar 1, 2017. The application was filed on Nov 13, 2012 under application number EP12783619A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| NKT HV CABLES | Nov 30, 2017 | KRANSELL & WENNBORG KB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Feb 7, 2023
Feb 1, 2023
Refund of fees
Appeal
Jan 31, 2023
Jan 31, 2023
Jan 31, 2023
Jan 31, 2023
Jan 25, 2023
Jan 23, 2023
Jan 23, 2023
Jan 23, 2023
Nov 24, 2022
Nov 24, 2022
Nov 24, 2022
Sep 28, 2021
May 25, 2020
May 13, 2020
(Electronic) Receipt
Appeal
May 13, 2020
May 13, 2020
May 13, 2020
May 13, 2020
Reply to appeal
Appeal
Jan 13, 2020
Dec 27, 2019
Dec 17, 2019
Dec 17, 2019
Nov 22, 2019
Nov 22, 2019
Nov 15, 2019
Nov 15, 2019
Notice of appeal
Appeal
Nov 5, 2019
Nov 5, 2019
Oct 1, 2019
Sep 30, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Means of redress
OPPO
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Jul 12, 2019
Jul 10, 2019
Jul 10, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
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Jul 5, 2019
Claims
OPPO
Jul 5, 2019
Claims
OPPO
Jul 5, 2019
Claims
OPPO
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 4, 2019
Jun 26, 2019
Jun 26, 2019
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Jun 26, 2019
Jun 26, 2019
Jun 4, 2019
May 29, 2019
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May 8, 2019
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Feb 18, 2019
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Dec 13, 2018
Dec 6, 2018
Dec 3, 2018
Dec 3, 2018
Dec 3, 2018
Dec 3, 2018
Dec 3, 2018
Dec 3, 2018
Sep 21, 2018
Sep 10, 2018
Submission concerning representation
Search/Exam
May 23, 2018
May 16, 2018
May 16, 2018
May 16, 2018
May 16, 2018
Claims
OPPO
May 16, 2018
Claims
OPPO
May 16, 2018
May 16, 2018
May 16, 2018
May 16, 2018
Jan 8, 2018
Jan 8, 2018
Dec 11, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Jul 28, 2017
Jul 21, 2017
Jul 21, 2017
May 17, 2017
May 4, 2017
(Electronic) Receipt
Search/Exam
May 4, 2017
Letter accompanying subsequently filed items
Search/Exam
May 4, 2017
Mar 2, 2017
Feb 2, 2017
Decision to grant a European patent
Search/Exam
Jan 19, 2017
(Electronic) Receipt
Search/Exam
Jan 19, 2017
Filing of the translations of the claims
Search/Exam
Jan 19, 2017
French translation of claims
Search/Exam
Jan 19, 2017
German translation of the claims
Search/Exam
Sep 22, 2016
Sep 22, 2016
Sep 22, 2016
Intention to grant (signatures)
Search/Exam
Sep 22, 2016
Text intended for grant
Search/Exam
Sep 7, 2016
Jul 29, 2016
(Electronic) Receipt
Search/Exam
Jul 29, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2016
May 2, 2016
May 2, 2016
May 2, 2016
Intention to grant (signatures)
Search/Exam
May 2, 2016
Text intended for grant
Search/Exam
Apr 21, 2016
Mar 30, 2016
(Electronic) Receipt
Search/Exam
Mar 30, 2016
Amended description with annotations
Search/Exam
Mar 30, 2016
Description
Search/Exam
Mar 30, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 30, 2016
Feb 3, 2016
Annex to the communication
Search/Exam
Feb 3, 2016
Communication from the Examining Division
Search/Exam
Jan 26, 2016
Examination started
Search/Exam
Oct 19, 2015
(Electronic) Receipt
Search/Exam
Oct 19, 2015
Oct 19, 2015
Amended claims with annotations
Search/Exam
Oct 19, 2015
Amendments received before examination
Search/Exam
Oct 19, 2015
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2015
Apr 22, 2015
Priority search results copy provided by EPO
Search/Exam
Mar 4, 2015
Jan 8, 2015
Communication to designated inventor
Search/Exam
Jan 8, 2015
Communication to designated inventor
Search/Exam
Dec 17, 2014
Refund of fees
Search/Exam
Dec 8, 2014
Nov 28, 2014
Non-patent literature filed by a third party
Search/Exam
Nov 28, 2014
Non-patent literature filed by a third party
Search/Exam
Nov 28, 2014
Non-patent literature filed by a third party
Search/Exam
Nov 28, 2014
Non-patent literature filed by a third party
Search/Exam
Nov 28, 2014
Non-patent literature filed by a third party
Search/Exam
Nov 28, 2014
Observations by third parties
Search/Exam
Nov 28, 2014
Patent document filed by a Third party
Search/Exam
Nov 28, 2014
Patent document filed by a Third party
Search/Exam
Nov 6, 2014
(Electronic) Receipt
Search/Exam
Nov 6, 2014
Request for entry into the European phase
Search/Exam
Oct 6, 2014
Information on entry into European phase
Search/Exam
Dec 19, 2013
Nov 28, 2013
Copy of the international search report
Search/Exam
Nov 28, 2013
Published international application - A1
Search/Exam
Mar 4, 2013
Mar 4, 2013
Mar 4, 2013
Nov 13, 2012
(Electronic) Receipt
PCTRO
Nov 13, 2012
Abstract
PCTRO
Nov 13, 2012
Claims
PCTRO
Nov 13, 2012
Description
PCTRO
Nov 13, 2012
Drawings
PCTRO