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The patent EP2438129 was granted to Saint Gobain on Aug 22, 2018. The application was filed on Jun 2, 2010 under application number EP10734212A. 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 |
|---|---|---|---|
| KNAUF INSULATION | May 22, 2019 | ARC | - |
| ROCKWOOL | May 22, 2019 | MEISSNER BOLTE PARTNERSCHAFT MBB | - |
| URSA INSULATION | May 20, 2019 | PLASSERAUD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2002091185 |
| DESCRIPTION | US2002188055 |
| DESCRIPTION | US2003008978 |
| DESCRIPTION | US2004002567 |
| DESCRIPTION | US2005215153 |
| DESCRIPTION | US5318990 |
| DESCRIPTION | US5340868 |
| DESCRIPTION | US5661213 |
| DESCRIPTION | US5895804 |
| DESCRIPTION | US5932689 |
| DESCRIPTION | US5977232 |
| DESCRIPTION | US6071994 |
| DESCRIPTION | US6099773 |
| DESCRIPTION | US6146746 |
| DESCRIPTION | US6299936 |
| DESCRIPTION | US6331350 |
| DESCRIPTION | WO0196254 |
| INTERNATIONAL-SEARCH-REPORT | US2006111480 |
| INTERNATIONAL-SEARCH-REPORT | US2007270066 |
| INTERNATIONAL-SEARCH-REPORT | WO2006103377 |
| INTERNATIONAL-SEARCH-REPORT | WO2008089851 |
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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Description
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Annex to the communication
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Communication from the Examining Division
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Communication from the Examining Division
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Description
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Description
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Communication from the Examining Division
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Letter concerning the priority
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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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