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The patent EP3570845 was granted to Saint Gobain on Jan 15, 2025. The application was filed on Jan 22, 2018 under application number EP18704052A. 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 |
|---|---|---|---|
| OWENS CORNING CAPITAL | Jun 8, 2022 | HASELTINE LAKE KEMPNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | FR2840071 |
| DESCRIPTION | US2002188055 |
| DESCRIPTION | US2003008978 |
| DESCRIPTION | US2004002567 |
| DESCRIPTION | US2005215153 |
| DESCRIPTION | US5318990 |
| DESCRIPTION | US5340868 |
| DESCRIPTION | US5661213 |
| DESCRIPTION | US5932689 |
| DESCRIPTION | US5977232 |
| DESCRIPTION | US6071994 |
| DESCRIPTION | US6099773 |
| DESCRIPTION | US6146746 |
| DESCRIPTION | US6299936 |
| DESCRIPTION | US6331350 |
| DESCRIPTION | WO2006120523 |
| DESCRIPTION | WO2008053332 |
| DESCRIPTION | WO2010029266 |
| DESCRIPTION | WO2013014399 |
| INTERNATIONAL-SEARCH-REPORT | EP0873976 |
| INTERNATIONAL-SEARCH-REPORT | US2013032749 |
| INTERNATIONAL-SEARCH-REPORT | US2013140481 |
| INTERNATIONAL-SEARCH-REPORT | US2016177057 |
| OPPOSITION | EP2033992 |
| OPPOSITION | US2016359521 |
| OPPOSITION | US5763524 |
| OPPOSITION | US8889033 |
| OPPOSITION | WO2010029266 |
| OPPOSITION | WO2013014399 |
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
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(Electronic) Receipt
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English translation of the claims
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Filing of the translations of the claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Letter which had not been notified
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Communication to designated inventor
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Communication to designated inventor
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Priority search results copy provided by EPO
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(Electronic) Receipt
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Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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Copy of the international search report
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Published international application - A1
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ISR: cited documents
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Abstract
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Claims
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Description
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