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The patent EP3847291 was granted to Neuman Aluminium Austria on Jan 18, 2023. The application was filed on Sep 3, 2019 under application number EP19765436A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| BALL | Oct 17, 2023 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1064413 |
| DESCRIPTION | FR2457328 |
| DESCRIPTION | JP2008169417 |
| DESCRIPTION | US2006021415 |
| DESCRIPTION | US2014298641 |
| INTERNATIONAL-SEARCH-REPORT | EP3031941 |
| INTERNATIONAL-SEARCH-REPORT | EP3075875 |
| INTERNATIONAL-SEARCH-REPORT | US2014227130 |
| OPPOSITION | CA1085189 |
| OPPOSITION | CN101804710 |
| OPPOSITION | EP3075875 |
| OPPOSITION | WO2013040339 |
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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Description
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(Electronic) Receipt
Appeal
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Description
Appeal
Sep 30, 2025
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Appeal
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Appeal
Sep 30, 2025
Description
Appeal
Sep 30, 2025
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Reply to appeal
Appeal
Jun 4, 2025
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May 30, 2025
(Electronic) Receipt
Appeal
May 30, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 27, 2025
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Notice of appeal
Appeal
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Means of redress
OPPO
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Description
OPPO
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Jan 31, 2023
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Decision to grant a European patent
Search/Exam
Dec 7, 2022
(Electronic) Receipt
Search/Exam
Dec 7, 2022
English translation of the claims
Search/Exam
Dec 7, 2022
Filing of the translations of the claims
Search/Exam
Dec 7, 2022
French translation of claims
Search/Exam
Dec 7, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 12, 2022
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Intention to grant (signatures)
Search/Exam
Aug 12, 2022
Text intended for grant (clean copy)
Search/Exam
Aug 12, 2022
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(Electronic) Receipt
Search/Exam
Jul 21, 2022
Amended description with annotations
Search/Exam
Jul 21, 2022
Description
Search/Exam
Jul 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 21, 2022
Mar 15, 2022
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Intention to grant (signatures)
Search/Exam
Mar 15, 2022
Text intended for grant (clean copy)
Search/Exam
Mar 15, 2022
Feb 28, 2022
Examination started
Search/Exam
Oct 13, 2021
(Electronic) Receipt
Search/Exam
Oct 13, 2021
Oct 13, 2021
Amended claims with annotations
Search/Exam
Oct 13, 2021
Amendments received before examination
Search/Exam
Oct 13, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 16, 2021
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(Electronic) Receipt
Search/Exam
Mar 23, 2021
Priority search results
Search/Exam
Mar 23, 2021
Request for entry into the European phase
Search/Exam
Mar 22, 2021
Jan 15, 2021
Information on entry into European phase
Search/Exam
Nov 24, 2020
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Notification of the recording of a change
Search/Exam
Mar 31, 2020
Mar 12, 2020
Copy of the international search report
Search/Exam
Mar 12, 2020
Copy of the international search report
Search/Exam
Mar 12, 2020
Published international application - A1
Search/Exam
Oct 7, 2019
ISR: cited documents
PCTISA
Oct 7, 2019
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Sep 3, 2019
(Electronic) Receipt
PCTRO
Sep 3, 2019
Abstract
PCTRO
Sep 3, 2019
Claims
PCTRO
Sep 3, 2019
Description
PCTRO
Sep 3, 2019
Sep 3, 2019