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The patent EP3137427 was granted to Eurokera SNC on Mar 10, 2021. The application was filed on Apr 28, 2015 under application number EP15723272A. 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 |
|---|---|---|---|
| SCHOTT | Dec 10, 2021 | FUCHS PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | FR2988465 |
| INTERNATIONAL-SEARCH-REPORT | JP2002154840 |
| INTERNATIONAL-SEARCH-REPORT | US2013085058 |
| INTERNATIONAL-SEARCH-REPORT | US3540893 |
| INTERNATIONAL-SEARCH-REPORT | US5070045 |
| OPPOSITION | JP2002154840 |
| OPPOSITION | JP2002173338 |
| OPPOSITION | JP2013087022 |
| OPPOSITION | US2004121895 |
| OPPOSITION | US2013085058 |
| OPPOSITION | US2013201678 |
| OPPOSITION | US3498775 |
| OPPOSITION | US3597179 |
| OPPOSITION | US4438210 |
| OPPOSITION | US5070045 |
| OPPOSITION | WO2012010341 |
| OPPOSITION | WO2013140081 |
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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Mar 22, 2021
Feb 11, 2021
Decision to grant a European patent
Search/Exam
Feb 2, 2021
(Electronic) Receipt
Search/Exam
Feb 2, 2021
English translation of the claims
Search/Exam
Feb 2, 2021
Filing of the translations of the claims
Search/Exam
Feb 2, 2021
German translation of the claims
Search/Exam
Feb 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2020
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Intention to grant (signatures)
Search/Exam
Oct 8, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 8, 2020
May 26, 2020
(Electronic) Receipt
Search/Exam
May 26, 2020
Amended description with annotations
Search/Exam
May 26, 2020
Description
Search/Exam
May 26, 2020
Letter accompanying subsequently filed items
Search/Exam
May 26, 2020
Jan 27, 2020
Annex to the communication
Search/Exam
Jan 27, 2020
Communication from the Examining Division
Search/Exam
Jan 16, 2020
(Electronic) Receipt
Search/Exam
Jan 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2020
Oct 25, 2019
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Oct 25, 2019
Intention to grant (signatures)
Search/Exam
Oct 25, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 25, 2019
Sep 10, 2019
(Electronic) Receipt
Search/Exam
Sep 10, 2019
Description
Search/Exam
Sep 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 10, 2019
Aug 26, 2019
Annex to the communication
Search/Exam
Aug 26, 2019
Consultation by telephone/in person
Search/Exam
Jul 11, 2019
Submission concerning representation
Search/Exam
May 14, 2019
Annex to the communication
Search/Exam
May 14, 2019
Communication from the Examining Division
Search/Exam
May 6, 2019
(Electronic) Receipt
Search/Exam
May 6, 2019
Amended claims with annotations
Search/Exam
May 6, 2019
Claims
Search/Exam
May 6, 2019
Letter accompanying subsequently filed items
Search/Exam
May 6, 2019
Mar 22, 2019
Mar 18, 2019
(Electronic) Receipt
Search/Exam
Mar 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2019
Nov 22, 2018
Annex to the communication
Search/Exam
Nov 22, 2018
Communication from the Examining Division
Search/Exam
Nov 16, 2018
Examination started
Search/Exam
Jul 26, 2018
May 15, 2017
(Electronic) Receipt
Search/Exam
May 15, 2017
May 15, 2017
Amended claims with annotations
Search/Exam
May 15, 2017
Amendments received before examination
Search/Exam
May 15, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2017
Dec 9, 2016
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Communication to designated inventor
Search/Exam
Dec 7, 2016
Communication to designated inventor
Search/Exam
Dec 2, 2016
Priority search results copy provided by EPO
Search/Exam
Nov 15, 2016
Sep 29, 2016
(Electronic) Receipt
Search/Exam
Sep 29, 2016
Request for entry into the European phase
Search/Exam
Sep 9, 2016
Information on entry into European phase
Search/Exam
Nov 23, 2015
Nov 5, 2015
Copy of the international search report
Search/Exam
Nov 5, 2015
Copy of the international search report
Search/Exam
Nov 5, 2015
Published international application - A1
Search/Exam
Jul 27, 2015
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Apr 28, 2015
Abstract
PCTISA
Apr 28, 2015
Claims
PCTISA
Apr 28, 2015
Description
PCTISA