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The patent EP2382087 was granted to Aleris Aluminum Koblenz on Nov 4, 2020. The application was filed on Nov 4, 2009 under application number EP09747831A. 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 | Sep 6, 2018 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1306207 |
| INTERNATIONAL-SEARCH-REPORT | EP1430988 |
| INTERNATIONAL-SEARCH-REPORT | EP1686343 |
| INTERNATIONAL-SEARCH-REPORT | GB2390099 |
| INTERNATIONAL-SEARCH-REPORT | US4908184 |
| INTERNATIONAL-SEARCH-REPORT | US6627330 |
| OPPOSITION | DE1962760 |
| OPPOSITION | DE2337924 |
| OPPOSITION | DE2425155 |
| OPPOSITION | GB2390099 |
| OPPOSITION | WO2010052231 |
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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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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Dec 14, 2017
Nov 9, 2017
Decision to grant a European patent
Search/Exam
Oct 2, 2017
Sep 14, 2017
Sep 5, 2017
(Electronic) Receipt
Search/Exam
Sep 5, 2017
Filing of the translations of the claims
Search/Exam
Sep 5, 2017
French translation of claims
Search/Exam
Sep 5, 2017
German translation of the claims
Search/Exam
Sep 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2017
(Electronic) Receipt
Search/Exam
Jul 1, 2017
Annexes in respect of a client data request
Search/Exam
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Annexes in respect of a client data request
Search/Exam
Jul 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2017
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Intention to grant (signatures)
Search/Exam
May 29, 2017
Text intended for grant (clean copy)
Search/Exam
May 29, 2017
Apr 24, 2017
Examination started
Search/Exam
Jan 2, 2017
Sep 29, 2014
Payment of fees and costs
Search/Exam
Sep 29, 2014
Payment of fees and costs
Search/Exam
Mar 19, 2014
Submission concerning representation
Search/Exam
Oct 10, 2013
Payment of fees and costs
Search/Exam
Mar 1, 2012
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Amended claims with annotations
Search/Exam
Mar 1, 2012
Amendments received before examination
Search/Exam
Feb 20, 2012
Feb 3, 2012
Submission concerning representation
Search/Exam
Oct 6, 2011
Sep 16, 2011
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(Electronic) Receipt
Search/Exam
Apr 6, 2011
Annex
Search/Exam
Apr 6, 2011
Request for entry into the European phase
Search/Exam
Apr 6, 2011
Submission concerning representation
Search/Exam
Mar 18, 2011
Information on entry into European phase
Search/Exam
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Notification of election of EPO
Search/Exam
May 14, 2010
Copy of the international search report
Search/Exam
May 14, 2010
Published international application - A1
Search/Exam
Apr 7, 2010
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Mar 18, 2010
PCT demand form
PCT2
Mar 18, 2010
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Jan 26, 2010
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Nov 4, 2009
(Electronic) Receipt
PCTRO
Nov 4, 2009
Abstract
PCTRO
Nov 4, 2009
Claims
PCTRO
Nov 4, 2009
Description
PCTRO
Nov 4, 2009