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The patent EP1679291 was granted to Interpane Entwicklungs UND Beratungsgesellschaft on Jul 10, 2019. The application was filed on Jan 9, 2006 under application number EP06000317A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SAINT GOBAIN | Apr 16, 2020 | GEBAUER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE19918811 |
| EXAMINATION | EP1074526 |
| EXAMINATION | JP2001272506 |
| EXAMINATION | US4478873 |
| EXAMINATION | US4830879 |
| OPPOSITION | DE19918811 |
| OPPOSITION | DE29923238U |
| OPPOSITION | EP0814351 |
| OPPOSITION | EP0849374 |
| OPPOSITION | EP1054456 |
| OPPOSITION | EP1074526 |
| OPPOSITION | EP1123905 |
| OPPOSITION | EP1354980 |
| OPPOSITION | JP2001272506 |
| OPPOSITION | US2002090521 |
| OPPOSITION | US2003176011 |
| OPPOSITION | US2003232495 |
| OPPOSITION | US4478873 |
| OPPOSITION | US4830879 |
| OPPOSITION | US5093152 |
| OPPOSITION | US5116665 |
| OPPOSITION | US5569362 |
| OPPOSITION | US5580606 |
| OPPOSITION | US5900289 |
| OPPOSITION | WO03066933 |
| OPPOSITION | WO2004078873 |
| OPPOSITION | WO2004083495 |
| OTHER | DE19918811 |
| OTHER | EP1074526 |
| OTHER | JP2001272506 |
| OTHER | US4478873 |
| OTHER | US4830879 |
| SEARCH | DE29923238U |
| SEARCH | EP1484293 |
| SEARCH | US2004087139 |
| SEARCH | US5116665 |
| SEARCH | US5569362 |
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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Jul 22, 2019
Jun 14, 2019
Decision to grant a European patent
Search/Exam
Jun 4, 2019
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Intention to grant (signatures)
Search/Exam
Jun 4, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2019
Apr 15, 2019
(Electronic) Receipt
Search/Exam
Apr 15, 2019
Amended claims with annotations
Search/Exam
Apr 15, 2019
Claims
Search/Exam
Apr 15, 2019
English translation of the claims
Search/Exam
Apr 15, 2019
French translation of claims
Search/Exam
Apr 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 15, 2019
Dec 13, 2018
Dec 13, 2018
Dec 13, 2018
Intention to grant (signatures)
Search/Exam
Dec 13, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 13, 2018
Oct 18, 2018
(Electronic) Receipt
Search/Exam
Oct 18, 2018
Amended claims with annotations
Search/Exam
Oct 18, 2018
Claims
Search/Exam
Oct 18, 2018
Description
Search/Exam
Oct 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2018
Jun 18, 2018
Annex to the communication
Search/Exam
Jun 18, 2018
Communication from the Examining Division
Search/Exam
Nov 22, 2017
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Nov 24, 2014
Amended claims with annotations
Search/Exam
Nov 24, 2014
Claims
Search/Exam
Nov 24, 2014
Jul 23, 2014
Annex to the communication
Search/Exam
Jul 23, 2014
Communication from the Examining Division
Search/Exam
Feb 17, 2014
Submission concerning representation
Search/Exam
Sep 7, 2012
Amended claims with annotations
Search/Exam
Sep 7, 2012
Claims
Search/Exam
Sep 7, 2012
Aug 29, 2012
Refund of fees
Search/Exam
Aug 20, 2012
Jul 6, 2012
May 7, 2012
Annex to the communication
Search/Exam
May 7, 2012
Communication from the Examining Division
Search/Exam
Dec 1, 2010
Sep 21, 2010
Citation filed by a third party
Search/Exam
Sep 21, 2010
Citation filed by a third party
Search/Exam
Sep 21, 2010
Sep 21, 2010
Observations by third parties
Search/Exam
Sep 21, 2010
Sep 21, 2010
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Sep 3, 2007
Claims
Search/Exam
Sep 3, 2007
Aug 13, 2007
Submission concerning representation
Search/Exam
May 2, 2007
Communication from the Examining Division
Search/Exam
Nov 13, 2006
Jul 17, 2006
Jun 14, 2006
Notification of forthcoming publication
Search/Exam
Apr 18, 2006
Apr 18, 2006
European search opinion
Search/Exam
Apr 18, 2006
European search report
Search/Exam
Feb 10, 2006
Letter concerning the priority
Search/Exam
Feb 10, 2006
Priority document
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Feb 10, 2006
Priority document
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Jan 9, 2006
Abstract
Search/Exam
Jan 9, 2006
Claims
Search/Exam
Jan 9, 2006
Description
Search/Exam
Jan 9, 2006
Designation of inventor
Search/Exam
Jan 9, 2006
Request for grant of a European patent
Search/Exam