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The patent EP3113902 was granted to Constellium Neuf Brisach on Jan 12, 2022. The application was filed on Feb 26, 2015 under application number EP15713539A. 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 |
|---|---|---|---|
| HYDRO ALUMINIUM ROLLED PRODUCTS | May 28, 2019 | COHAUSZ & FLORACK | ADMISSIBLE |
| GRANGES | May 27, 2019 | VALEA | ADMISSIBLE |
| ALERIS ROLLED PRODUCTS GERMANY | May 14, 2019 | DEY | ADMISSIBLE |
| ARCONIC | Mar 19, 2019 | FORRESTERS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0283937 |
| DESCRIPTION | EP1075935 |
| DESCRIPTION | EP1906131 |
| DESCRIPTION | EP2065180 |
| DESCRIPTION | FR2876606 |
| DESCRIPTION | FR2916525 |
| DESCRIPTION | FR2930023 |
| DESCRIPTION | JP2003027166 |
| DESCRIPTION | JP2005224851 |
| DESCRIPTION | US2010159272 |
| DESCRIPTION | WO03089237 |
| DESCRIPTION | WO2006004500 |
| DESCRIPTION | WO2006044500 |
| DESCRIPTION | WO2007042206 |
| DESCRIPTION | WO2008063855 |
| DESCRIPTION | WO2009128766 |
| DESCRIPTION | WO2009142651 |
| DESCRIPTION | WO2010019664 |
| INTERNATIONAL-SEARCH-REPORT | JP2003027166 |
| INTERNATIONAL-SEARCH-REPORT | US2002142185 |
| INTERNATIONAL-SEARCH-REPORT | WO03089237 |
| INTERNATIONAL-SEARCH-REPORT | WO2006044500 |
| INTERNATIONAL-SEARCH-REPORT | WO2007042206 |
| INTERNATIONAL-SEARCH-REPORT | WO2009142651 |
| OPPOSITION | EP0823305 |
| OPPOSITION | JP2008248361 |
| OPPOSITION | JPH10298686 |
| OPPOSITION | JPH1053828 |
| OPPOSITION | JPH11140574 |
| OPPOSITION | US2006078728 |
| OPPOSITION | US2007051503 |
| OPPOSITION | US2007122648 |
| OPPOSITION | US2011240277 |
| OPPOSITION | US2012237793 |
| OPPOSITION | US6451453 |
| OPPOSITION | US7255932 |
| OPPOSITION | WO03089237 |
| OPPOSITION | WO2005118899 |
| OPPOSITION | WO2006043137 |
| OPPOSITION | WO2010138378 |
| OPPOSITION | WO2013180630 |
| OPPOSITION | WO2014017976 |
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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Search/Exam
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Search/Exam
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Search/Exam
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Notification of election of EPO
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Copy of the international search report
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Sep 11, 2015
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PCTISA
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