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The patent EP1958481 was granted to Eurokera SNC on Jun 19, 2019. The application was filed on Nov 29, 2006 under application number EP06842062A. 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 |
|---|---|---|---|
| SCHOTT | Mar 18, 2020 | FUCHS PATENTANWALTE PARTNERSCHAFT MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US5716712 |
| INTERNATIONAL-SEARCH-REPORT | FR2838429 |
| INTERNATIONAL-SEARCH-REPORT | FR2868066 |
| INTERNATIONAL-SEARCH-REPORT | WO2005092810 |
| OPPOSITION | CN1403415 |
| OPPOSITION | DE10014373 |
| OPPOSITION | DE10243500 |
| OPPOSITION | EP0693464 |
| OPPOSITION | EP1206165 |
| OPPOSITION | EP1264806 |
| OPPOSITION | EP1267593 |
| OPPOSITION | EP1505354 |
| OPPOSITION | JP2001213642 |
| OPPOSITION | JP2003168548 |
| OPPOSITION | JP2003217811 |
| OPPOSITION | JP2005298266 |
| OPPOSITION | WO2005092810 |
| OPPOSITION | WO2006021712 |
| OPPOSITION | WO2007000532 |
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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OPPO
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Authorisation
OPPO
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Authorisation
OPPO
Sep 16, 2021
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Jul 1, 2019
May 23, 2019
Decision to grant a European patent
Search/Exam
May 10, 2019
(Electronic) Receipt
Search/Exam
May 10, 2019
English translation of the claims
Search/Exam
May 10, 2019
Filing of the translations of the claims
Search/Exam
May 10, 2019
German translation of the claims
Search/Exam
May 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 14, 2019
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Jan 14, 2019
Intention to grant (signatures)
Search/Exam
Jan 14, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 14, 2019
Nov 12, 2018
Nov 8, 2018
(Electronic) Receipt
Search/Exam
Nov 8, 2018
Claims
Search/Exam
Nov 8, 2018
Description
Search/Exam
Nov 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 8, 2018
Aug 13, 2018
Aug 7, 2018
(Electronic) Receipt
Search/Exam
Aug 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 7, 2018
May 2, 2018
Annex to the communication
Search/Exam
May 2, 2018
Communication from the Examining Division
Search/Exam
Oct 19, 2016
Oct 10, 2016
Aug 4, 2016
(Electronic) Receipt
Search/Exam
Aug 4, 2016
Claims
Search/Exam
Aug 4, 2016
Claims
Search/Exam
Aug 4, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2016
Jun 8, 2016
Jun 2, 2016
(Electronic) Receipt
Search/Exam
Jun 2, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 2, 2016
Feb 4, 2016
Annex to the communication
Search/Exam
Feb 4, 2016
Communication from the Examining Division
Search/Exam
Apr 2, 2010
(Electronic) Receipt
Search/Exam
Apr 2, 2010
Amended claims with annotations
Search/Exam
Apr 2, 2010
Claims
Search/Exam
Apr 2, 2010
Letter accompanying subsequently filed items
Search/Exam
Apr 2, 2010
Jan 29, 2010
Jan 28, 2010
Jan 26, 2010
Letter accompanying subsequently filed items
Search/Exam
Jan 26, 2010
Nov 6, 2009
Annex to the communication
Search/Exam
Nov 6, 2009
Communication from the Examining Division
Search/Exam
Jul 23, 2008
Jul 14, 2008
Jun 24, 2008
Apr 23, 2008
(Electronic) Receipt
Search/Exam
Apr 23, 2008
Request for entry into the European phase
Search/Exam
Apr 18, 2008
Information on entry into European phase
Search/Exam
Jul 4, 2007
Jun 14, 2007
Copy of the international search report
Search/Exam
Jun 14, 2007
Copy of the international search report
Search/Exam
Jun 14, 2007
Published international application - A1
Search/Exam
Mar 2, 2007
Feb 8, 2007
Nov 29, 2006
Abstract
PCTISA
Nov 29, 2006
Annex
PCTISA
Nov 29, 2006
Claims
PCTISA
Nov 29, 2006
Description
PCTISA
Nov 29, 2006
Drawings
PCTISA