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The patent EP2925626 was granted to GCL on Jan 20, 2021. The application was filed on Nov 14, 2013 under application number EP13799225A. 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 |
|---|---|---|---|
| PERANI & PARTNERS | Apr 12, 2018 | PERANI & PARTNERS | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | GB2450939 |
| INTERNATIONAL-SEARCH-REPORT | AU464605B |
| INTERNATIONAL-SEARCH-REPORT | GB2158424 |
| INTERNATIONAL-SEARCH-REPORT | US2009289027 |
| INTERNATIONAL-SEARCH-REPORT | WO9804474 |
| OPPOSITION | GB1119311 |
| OPPOSITION | GB1120522 |
| OPPOSITION | GB809058 |
| OPPOSITION | US2045480 |
| OPPOSITION | US4279353 |
| OPPOSITION | US5314084 |
| OPPOSITION | WO2009141581 |
| OPPOSITION | WO2013068750 |
| OPPOSITION | WO2013079545 |
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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Nov 12, 2020
Aug 27, 2020
Aug 20, 2020
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Means of redress
OPPO
Jun 12, 2019
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Claims
OPPO
Jun 12, 2019
Claims
OPPO
Jun 12, 2019
Claims
OPPO
Jun 12, 2019
Description
OPPO
Jun 12, 2019
Description
OPPO
Jun 12, 2019
Description
OPPO
Jun 12, 2019
Jun 12, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
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Feb 11, 2019
Feb 7, 2019
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Dec 21, 2018
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Sep 14, 2018
Sep 7, 2018
Sep 7, 2018
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Claims
OPPO
Sep 7, 2018
Claims
OPPO
Sep 7, 2018
Claims
OPPO
Sep 7, 2018
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Apr 30, 2018
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Apr 20, 2018
Apr 12, 2018
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Jul 13, 2017
Jun 16, 2017
Decision to grant a European patent
Search/Exam
Jun 2, 2017
(Electronic) Receipt
Search/Exam
Jun 2, 2017
Filing of the translations of the claims
Search/Exam
Jun 2, 2017
Letter accompanying subsequently filed items
Search/Exam
May 26, 2017
May 26, 2017
May 26, 2017
Intention to grant (signatures)
Search/Exam
May 26, 2017
Text intended for grant (clean copy)
Search/Exam
May 26, 2017
May 13, 2017
Mar 7, 2017
Mar 6, 2017
(Electronic) Receipt
Search/Exam
Mar 6, 2017
Amended description with annotations
Search/Exam
Mar 6, 2017
Description
Search/Exam
Mar 6, 2017
French translation of claims
Search/Exam
Mar 6, 2017
German translation of the claims
Search/Exam
Mar 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2017
Nov 3, 2016
Nov 3, 2016
Nov 3, 2016
Intention to grant (signatures)
Search/Exam
Nov 3, 2016
Text intended for grant (clean copy)
Search/Exam
Nov 3, 2016
Jun 22, 2016
(Electronic) Receipt
Search/Exam
Jun 22, 2016
Amended claims with annotations
Search/Exam
Jun 22, 2016
Amended description with annotations
Search/Exam
Jun 22, 2016
Claims
Search/Exam
Jun 22, 2016
Description
Search/Exam
Jun 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2016
Apr 15, 2016
Annex to the communication
Search/Exam
Apr 15, 2016
Communication from the Examining Division
Search/Exam
Apr 8, 2016
Examination started
Search/Exam
Sep 9, 2015
Jul 28, 2015
Jul 8, 2015
Communication to designated inventor
Search/Exam
Jun 15, 2015
May 29, 2015
(Electronic) Receipt
Search/Exam
May 29, 2015
May 29, 2015
Amended claims with annotations
Search/Exam
May 29, 2015
May 29, 2015
Amended description with annotations
Search/Exam
May 29, 2015
Amendments received before examination
Search/Exam
May 29, 2015
Request for entry into the European phase
Search/Exam
Apr 9, 2015
Information on entry into European phase
Search/Exam
Jul 24, 2014
Copy of the international search report
Search/Exam
Jul 24, 2014
Published international application - A9
Search/Exam
Jun 26, 2014
Jun 5, 2014
Copy of the international search report
Search/Exam
Jun 5, 2014
Published international application - A1
Search/Exam
May 20, 2014
May 20, 2014
May 20, 2014
Apr 14, 2014
Apr 14, 2014
Apr 14, 2014
Nov 14, 2013
(Electronic) Receipt
PCTRO
Nov 14, 2013
Abstract
PCTRO
Nov 14, 2013
Claims
PCTRO
Nov 14, 2013
Description
PCTRO
Nov 14, 2013
Drawings
PCTRO