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The patent EP3112547 was granted to Saint Gobain on Mar 26, 2025. The application was filed on Dec 24, 2008 under application number EP16174924A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| KNAUF INSULATION | May 14, 2019 | ARC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Feb 27, 2025
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Refund of fees
Appeal
Feb 21, 2024
Feb 16, 2024
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Appeal
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Withdrawal of an appeal
Appeal
Jan 24, 2024
Advice of delivery
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Notice of appeal
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Aug 27, 2018
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Decision to grant a European patent
Search/Exam
Jul 11, 2018
Refund of fees
Search/Exam
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Search/Exam
Jun 28, 2018
(Electronic) Receipt
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Jun 28, 2018
English translation of the claims
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Jun 28, 2018
German translation of the claims
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Jun 28, 2018
Letter accompanying subsequently filed items
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Jun 28, 2018
Request for further processing
Search/Exam
May 3, 2018
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Mar 13, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Nov 17, 2017
Text intended for grant (clean copy)
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Examination started
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Notification of forthcoming publication
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Nov 30, 2016
Refund of fees
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European search opinion
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European search report
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Modified abstract
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Communication to designated inventor
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Priority search results copy provided by EPO
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Abstract
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Description
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