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The patent EP2990552 was granted to ISO Chemie on Mar 21, 2018. The application was filed on Aug 26, 2014 under application number EP14182233A. 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 |
|---|---|---|---|
| TREMCO ILLBRUCK | Dec 19, 2018 | BITTNER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102010055788 |
| DESCRIPTION | DE19641415 |
| DESCRIPTION | EP0072955 |
| DESCRIPTION | EP1936246 |
| DESCRIPTION | EP2733271 |
| OPPOSITION | DE102009044558 |
| OPPOSITION | DE102010055788 |
| OPPOSITION | DE19641415 |
| OPPOSITION | DE202010012343U |
| OPPOSITION | DE202012101990U |
| OPPOSITION | DE2410121 |
| OPPOSITION | EP0229951 |
| OPPOSITION | EP1473419 |
| OPPOSITION | EP1762377 |
| OPPOSITION | EP2107176 |
| OPPOSITION | EP2354410 |
| OPPOSITION | EP2620565 |
| OPPOSITION | EP2743416 |
| OPPOSITION | US4822655 |
| SEARCH | DE202012101990U |
| SEARCH | EP2620565 |
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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Description
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Decision to grant a European patent
Search/Exam
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Intention to grant (signatures)
Search/Exam
Feb 8, 2018
Text intended for grant (clean copy)
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Feb 8, 2018
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
Nov 13, 2017
Claims
Search/Exam
Nov 13, 2017
English translation of the claims
Search/Exam
Nov 13, 2017
French translation of claims
Search/Exam
Nov 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2017
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Intention to grant (signatures)
Search/Exam
Sep 4, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 4, 2017
Jun 19, 2017
Examination started
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Aug 29, 2016
(Electronic) Receipt
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Aug 29, 2016
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Amended description with annotations
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Aug 29, 2016
Amendments received before examination
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Aug 29, 2016
Letter accompanying subsequently filed items
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Mar 7, 2016
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Notification of forthcoming publication
Search/Exam
Feb 5, 2015
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European search opinion
Search/Exam
Feb 5, 2015
European search report
Search/Exam
Jan 28, 2015
Search started
Search/Exam
Sep 8, 2014
Letter concerning the inventor
Search/Exam
Aug 26, 2014
Abstract
Search/Exam
Aug 26, 2014
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Claims
Search/Exam
Aug 26, 2014
Description
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Aug 26, 2014
Drawings
Search/Exam
Aug 26, 2014
Request for grant of a European patent
Search/Exam