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The patent EP2578789 was granted to Alcoa Aluminium Deutschland on May 1, 2024. The application was filed on Oct 1, 2012 under application number EP12186855A. 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 |
|---|---|---|---|
| GEZE | May 4, 2022 | MANITZ FINSTERWALD PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE202004005204U |
| EXAMINATION | CH698166 |
| EXAMINATION | DE2528264 |
| EXAMINATION | EP2489821 |
| OPPOSITION | CH698166 |
| OPPOSITION | DE10208975 |
| OPPOSITION | DE1683625 |
| OPPOSITION | DE1829818U |
| OPPOSITION | DE1894079U |
| OPPOSITION | DE1945333U |
| OPPOSITION | DE20202029U |
| OPPOSITION | DE2528264 |
| OPPOSITION | DE8320679U |
| OPPOSITION | DE8405419U |
| SEARCH | DE1895317U |
| SEARCH | DE2023820 |
| SEARCH | EP0928874 |
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.
Date
Description
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Means of redress
OPPO
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Aug 17, 2021
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Decision to grant a European patent
Search/Exam
Jun 25, 2021
(Electronic) Receipt
Search/Exam
Jun 25, 2021
English translation of the claims
Search/Exam
Jun 25, 2021
Filing of the translations of the claims
Search/Exam
Jun 25, 2021
French translation of claims
Search/Exam
Jun 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2021
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Intention to grant (signatures)
Search/Exam
Apr 9, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 9, 2021
Oct 2, 2020
(Electronic) Receipt
Search/Exam
Oct 2, 2020
Amended claims with annotations
Search/Exam
Oct 2, 2020
Claims
Search/Exam
Oct 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2020
May 28, 2020
Annex to the communication
Search/Exam
May 28, 2020
Communication from the Examining Division
Search/Exam
Jun 28, 2019
Jun 25, 2019
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Dec 17, 2018
Amended claims with annotations
Search/Exam
Dec 17, 2018
Claims
Search/Exam
Dec 17, 2018
Oct 2, 2018
Annex to the communication
Search/Exam
Oct 2, 2018
Communication from the Examining Division
Search/Exam
Sep 25, 2018
Examination started
Search/Exam
Apr 25, 2018
Apr 9, 2018
(Electronic) Receipt
Search/Exam
Apr 9, 2018
Enquiry as to the processing of the file
Search/Exam
Apr 9, 2018
Letter accompanying subsequently filed items
Search/Exam
May 22, 2017
(Electronic) Receipt
Search/Exam
May 22, 2017
Letter accompanying subsequently filed items
Search/Exam
May 22, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Nov 28, 2016
Nov 23, 2016
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European search opinion
Search/Exam
Oct 21, 2016
European search report
Search/Exam
Oct 21, 2016
Information on Search Strategy
Search/Exam
Oct 10, 2016
Search started
Search/Exam
Jun 10, 2016
Submission concerning representation
Search/Exam
Jun 10, 2016
Submission concerning representation
Search/Exam
Feb 12, 2014
Submission concerning representation
Search/Exam
Mar 13, 2013
Notification of forthcoming publication
Search/Exam
Feb 4, 2013
Communication to designated inventor
Search/Exam
Feb 1, 2013
Jan 24, 2013
Jan 22, 2013
(Electronic) Receipt
Search/Exam
Jan 22, 2013
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2013
Letter concerning the inventor
Search/Exam
Jan 15, 2013
Dec 11, 2012
Letter which had not been notified
Search/Exam
Nov 23, 2012
Communication to designated inventor
Search/Exam
Oct 1, 2012
Abstract
Search/Exam
Oct 1, 2012
Oct 1, 2012
Claims
Search/Exam
Oct 1, 2012
Description
Search/Exam
Oct 1, 2012
Designation of inventor
Search/Exam
Oct 1, 2012
Drawings
Search/Exam
Oct 1, 2012
Request for grant of a European patent
Search/Exam
Oct 1, 2012
Submission concerning representation
Search/Exam