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The patent EP2920046 was granted to Zephyros on Aug 9, 2017. The application was filed on Nov 14, 2013 under application number EP13803328A. 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 |
|---|---|---|---|
| SIKA TECHNOLOGY | May 9, 2018 | SIKA PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2003039792 |
| INTERNATIONAL-SEARCH-REPORT | US2003183317 |
| INTERNATIONAL-SEARCH-REPORT | US2005166532 |
| INTERNATIONAL-SEARCH-REPORT | US2007101679 |
| OPPOSITION | DE10163248 |
| OPPOSITION | DE102004046960 |
| OPPOSITION | US2002009582 |
| OPPOSITION | US2003039792 |
| OPPOSITION | US2003176128 |
| OPPOSITION | US2003183317 |
| OPPOSITION | US2005166532 |
| OPPOSITION | US2007101679 |
| OPPOSITION | US2009258217 |
| OPPOSITION | US2010225017 |
| OPPOSITION | US4369608 |
| OPPOSITION | US4378395 |
| OPPOSITION | US4397914 |
| OPPOSITION | US4399174 |
| OPPOSITION | US4830908 |
| OPPOSITION | US5151327 |
| OPPOSITION | US5234757 |
| OPPOSITION | US6506494 |
| OPPOSITION | USH2047H |
| OPPOSITION | WO2004078853 |
| OPPOSITION | WO2005075189 |
| OPPOSITION | WO2005077634 |
| OPPOSITION | WO2006044414 |
| OPPOSITION | WO2007140870 |
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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Decision to grant a European patent
Search/Exam
Jun 27, 2017
(Electronic) Receipt
Search/Exam
Jun 27, 2017
Filing of the translations of the claims
Search/Exam
Jun 27, 2017
French translation of claims
Search/Exam
Jun 27, 2017
German translation of the claims
Search/Exam
Jun 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2017
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Intention to grant (signatures)
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Mar 20, 2017
Text intended for grant (clean copy)
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Mar 20, 2017
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Amended claims with annotations
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Nov 22, 2016
Amended description with annotations
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Nov 22, 2016
Claims
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Nov 22, 2016
Description
Search/Exam
Nov 22, 2016
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Nov 18, 2016
Claims
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Description
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Annex to the communication
Search/Exam
Jul 26, 2016
Communication from the Examining Division
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Jul 12, 2016
Amended claims with annotations
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Jul 12, 2016
Claims
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Amended claims with annotations
Search/Exam
Jul 8, 2016
Claims
Search/Exam
Jul 8, 2016
May 3, 2016
Annex to the communication
Search/Exam
May 3, 2016
Communication from the Examining Division
Search/Exam
Apr 26, 2016
Examination started
Search/Exam
Nov 18, 2015
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Communication to designated inventor
Search/Exam
Jun 1, 2015
May 19, 2015
(Electronic) Receipt
Search/Exam
May 19, 2015
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Request for entry into the European phase
Search/Exam
Mar 27, 2015
Information on entry into European phase
Search/Exam
Jun 12, 2014
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Copy of the international search report
Search/Exam
May 22, 2014
Published international application - A1
Search/Exam
Apr 8, 2014
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Dec 5, 2013
Abstract
PCTISA
Dec 5, 2013
Claims
PCTISA
Dec 5, 2013
Description
PCTISA
Dec 5, 2013
Drawings
PCTISA