The patent EP3508595 was granted to Uacj on Feb 26, 2025. The application was originally filed on Aug 24, 2017 under application number EP17846282A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | JP2004358519 | 
| DESCRIPTION | JP2014233552 | 
| INTERNATIONAL-SEARCH-REPORT | JP2007152422 | 
| INTERNATIONAL-SEARCH-REPORT | JP2015528852 | 
| INTERNATIONAL-SEARCH-REPORT | JPH1053828 | 
| OPPOSITION | EP0492796 | 
| OPPOSITION | EP2848354 | 
| OPPOSITION | JPH11209837 | 
| OPPOSITION | JPS6488266 | 
| OPPOSITION | US2015165564 | 
| OPPOSITION | US6555251 | 
| SEARCH | EP1795294 | 
| SEARCH | EP2848354 | 
| SEARCH | EP2855063 | 
| SEARCH | JP2013123749 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| OPPOSITION | - Anonymous, "Applications - Power train - Heat exchangers", The Aluminium Automotive Manual, (20110101), The Aluminium Automotive Manual, (20190220), XP055559190 | 
| OPPOSITION | - ASTM E112-13 'Standard Test Methods for Determining Average Grain Size' | 
| OPPOSITION | - Cohen H.M., Et Al, "Rein- und Reinstaluminium", Werkstoff-Handbuch Nichteisenmetalle, VDI-Verlag , (19600101), pages 1 - 7, XP055701395 | 
| OPPOSITION | - Kammer, "Zustandsschaubilder des Aluminiums", Aluminium Taschenbuch, (20020101), pages 1 - 4 | 
| OPPOSITION | - Kammer, "Zustandsschaubilder des Aluminiums", Aluminium Taschenbuch, (20020101), pages 1 - 4, XP093026486 | 
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Decision to grant a European patent
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(Electronic) Receipt
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Apr 4, 2022
Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Jan 29, 2021
Amended description with annotations
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Jan 29, 2021
Description
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Jan 29, 2021
Letter accompanying subsequently filed items
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Jan 29, 2021
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Annex to the communication
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Communication from the Examining Division
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Examination started
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Jul 28, 2020
(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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European search opinion
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Information on Search Strategy
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Supplementary European search report
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Search started
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Jun 13, 2019
Notification of forthcoming publication
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Feb 26, 2019
Abstract
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Feb 26, 2019
Claims
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Feb 26, 2019
Description
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Feb 26, 2019
Drawings
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Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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International publication pamphlet
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