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The patent EP3058126 was granted to OCV Capital on Sep 6, 2017. The application was filed on Oct 15, 2014 under application number EP14796600A. 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 |
|---|---|---|---|
| JOHNS MANVILLE | Jun 6, 2018 | DORR | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0297500 |
| INTERNATIONAL-SEARCH-REPORT | US4255485 |
| INTERNATIONAL-SEARCH-REPORT | US5772846 |
| INTERNATIONAL-SEARCH-REPORT | WO2005103367 |
| INTERNATIONAL-SEARCH-REPORT | WO2006115503 |
| INTERNATIONAL-SEARCH-REPORT | WO2011017591 |
| INTERNATIONAL-SEARCH-REPORT | WO9534703 |
| OPPOSITION | EP1757432 |
| OPPOSITION | US2004266304 |
| OPPOSITION | US2010273376 |
| OPPOSITION | US4255485 |
| OPPOSITION | US5772846 |
| OPPOSITION | WO2006115921 |
| OPPOSITION | WO2008147746 |
| OPPOSITION | WO2011017591 |
| OPPOSITION | WO2011043937 |
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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Means of redress
OPPO
Feb 28, 2020
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Claims
OPPO
Jan 28, 2020
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Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
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Sep 7, 2017
Aug 10, 2017
Decision to grant a European patent
Search/Exam
Jul 26, 2017
(Electronic) Receipt
Search/Exam
Jul 26, 2017
Filing of the translations of the claims
Search/Exam
Jul 26, 2017
French translation of claims
Search/Exam
Jul 26, 2017
German translation of the claims
Search/Exam
Jul 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 22, 2017
Mar 22, 2017
Mar 22, 2017
Intention to grant (signatures)
Search/Exam
Mar 22, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 22, 2017
Feb 28, 2017
Examination started
Search/Exam
Nov 22, 2016
(Electronic) Receipt
Search/Exam
Nov 22, 2016
Nov 22, 2016
Amended claims with annotations
Search/Exam
Nov 22, 2016
Nov 22, 2016
Amended description with annotations
Search/Exam
Nov 22, 2016
Amendments received before examination
Search/Exam
Nov 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2016
May 30, 2016
May 20, 2016
Communication to designated inventor
Search/Exam
May 20, 2016
Communication to designated inventor
Search/Exam
May 10, 2016
(Electronic) Receipt
Search/Exam
May 10, 2016
Request for entry into the European phase
Search/Exam
May 4, 2016
Feb 26, 2016
Information on entry into European phase
Search/Exam
May 12, 2015
Apr 23, 2015
Copy of the international search report
Search/Exam
Apr 23, 2015
Published international application - A1
Search/Exam
Mar 2, 2015
Mar 2, 2015
Mar 2, 2015
Nov 12, 2014
Nov 3, 2014
Annex
PCTISA
Nov 3, 2014
Oct 27, 2014
Abstract
PCTISA
Oct 27, 2014
Annex
PCTISA
Oct 27, 2014
Claims
PCTISA
Oct 27, 2014
Description
PCTISA
Oct 27, 2014