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The patent EP3020908 was granted to ALU PRO on Jun 6, 2018. The application was filed on Apr 10, 2012 under application number EP15200838A. 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 |
|---|---|---|---|
| ENSINGER | Mar 6, 2019 | HOEGER | ADMISSIBLE |
| TECHNOFORM GLASS INSULATION HOLDING | Feb 28, 2019 | KRAMER BARSKE SCHMIDTCHEN PATENTANWALTE PARTG MBB | ADMISSIBLE |
| SAINT GOBAIN | Feb 25, 2019 | SGR GERMANY PATENTS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102006024402 |
| DESCRIPTION | US5851609 |
| DESCRIPTION | WO2010011545 |
| EXAMINATION | EP1892365 |
| OPPOSITION | DE19530838 |
| OPPOSITION | DE19602455 |
| OPPOSITION | DE19625845 |
| OPPOSITION | DE19807454 |
| OPPOSITION | DE3302659 |
| OPPOSITION | DE4226883 |
| OPPOSITION | EP0261923 |
| OPPOSITION | JPH09175843 |
| OPPOSITION | WO2008022877 |
| OPPOSITION | WO2012140005 |
| SEARCH | WO2010115456 |
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 1, 2024
Refund of fees
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(Electronic) Receipt
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Mar 27, 2018
Authorisation
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Mar 27, 2018
English translation of the claims
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French translation of claims
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Mar 27, 2018
Letter accompanying subsequently filed items
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Mar 27, 2018
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Intention to grant (signatures)
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Aug 21, 2017
Description
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Annex to the communication
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Communication from the Examining Division
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Mar 23, 2017
Examination started
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Amended claims with annotations
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Cover sheet for fax transmission
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Notification of forthcoming publication
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Apr 6, 2016
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European search opinion
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Feb 15, 2016
European search report
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Feb 15, 2016
Information on Search Strategy
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Feb 9, 2016
Communication to designated inventor
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Feb 2, 2016
Search started
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Jan 18, 2016
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Abstract
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Dec 17, 2015
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Claims
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Dec 17, 2015
Description
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Designation of inventor
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Dec 17, 2015
Drawings
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Dec 17, 2015
Request for grant of a European patent
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Nov 6, 2012
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