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The patent EP3235917 was granted to Aluminium Rheinfelden Alloys on Aug 15, 2018. The application was filed on Apr 19, 2016 under application number EP16165969A. 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 |
|---|---|---|---|
| TRIMET ALUMINIUM | Mar 28, 2019 | FLACCUS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0687742 |
| DESCRIPTION | EP1612286 |
| DESCRIPTION | EP2653579 |
| DESCRIPTION | EP2735621 |
| OPPOSITION | DE102008046803 |
| OPPOSITION | DE102008055928 |
| OPPOSITION | DE102008055929 |
| OPPOSITION | DE102009012073 |
| OPPOSITION | DE102010055011 |
| OPPOSITION | DE102011112005 |
| OPPOSITION | DE10351666 |
| OPPOSITION | DE1211800 |
| OPPOSITION | EP1612286 |
| OPPOSITION | EP2657360 |
| OPPOSITION | EP2735621 |
| OPPOSITION | EP2738273 |
| OPPOSITION | GB605282 |
| OPPOSITION | US2005224145 |
| OPPOSITION | US3211547 |
| OPPOSITION | US4222830 |
| OPPOSITION | WO2005071127 |
| SEARCH | DE102009012073 |
| SEARCH | EP1612286 |
| SEARCH | EP2735621 |
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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Sep 11, 2024
Sep 11, 2024
Sep 11, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Jul 26, 2024
Jul 23, 2024
(Electronic) Receipt
Appeal
Jul 23, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Nov 14, 2023
Nov 14, 2023
Reply to appeal
Appeal
Jul 7, 2023
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Mar 28, 2023
Mar 27, 2023
Notice of appeal
Appeal
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Notice of appeal
Appeal
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OPPO
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Authorisation
OPPO
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Document concerning representation
Search/Exam
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Annex
OPPO
Aug 19, 2021
Annex
OPPO
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Annex
OPPO
Aug 19, 2021
Annex
OPPO
Aug 19, 2021
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Aug 6, 2021
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Annex
OPPO
Aug 6, 2021
Authorisation
OPPO
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Description
OPPO
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Aug 27, 2018
Jul 19, 2018
Decision to grant a European patent
Search/Exam
Jun 28, 2018
English translation of the claims
Search/Exam
Jun 28, 2018
Filing of the translations of the claims
Search/Exam
Jun 28, 2018
French translation of claims
Search/Exam
Jun 28, 2018
Letter concerning fees and payments
Search/Exam
Apr 26, 2018
Apr 26, 2018
Apr 26, 2018
Intention to grant (signatures)
Search/Exam
Apr 26, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 26, 2018
Mar 19, 2018
Examination started
Search/Exam
Oct 30, 2017
Sep 27, 2017
Notification of forthcoming publication
Search/Exam
Sep 12, 2017
Submission concerning representation
Search/Exam
Apr 25, 2017
Submission concerning representation
Search/Exam
Jan 17, 2017
Jan 17, 2017
Amended claims with annotations
Search/Exam
Jan 17, 2017
Amendments received before examination
Search/Exam
Jan 17, 2017
Payment of fees and costs
Search/Exam
Sep 21, 2016
Sep 21, 2016
European search opinion
Search/Exam
Sep 21, 2016
European search report
Search/Exam
Sep 21, 2016
Information on Search Strategy
Search/Exam
Sep 13, 2016
Search started
Search/Exam
Jun 10, 2016
Communication to designated inventor
Search/Exam
Apr 19, 2016
Abstract
Search/Exam
Apr 19, 2016
Apr 19, 2016
Claims
Search/Exam
Apr 19, 2016
Description
Search/Exam
Apr 19, 2016
Designation of inventor
Search/Exam
Apr 19, 2016
Request for grant of a European patent
Search/Exam