The patent EP3140057 was granted to Novelis on Oct 12, 2022. The application was originally filed on May 8, 2015 under application number EP15722422A. 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 |
|---|---|
| EXAMINATION | JPH06335714 |
| INTERNATIONAL-SEARCH-REPORT | DE3419261 |
| INTERNATIONAL-SEARCH-REPORT | EP0794023 |
| INTERNATIONAL-SEARCH-REPORT | JP2005205432 |
| INTERNATIONAL-SEARCH-REPORT | JPH11267717 |
| INTERNATIONAL-SEARCH-REPORT | WO03002277 |
| OPPOSITION | DE3419261 |
| OPPOSITION | EP0794023 |
| OPPOSITION | JP2005205432 |
| OPPOSITION | JPH06335714 |
| OPPOSITION | JPH11267717 |
| OPPOSITION | JPS55147407 |
| OPPOSITION | JPS59169612 |
| OPPOSITION | US3911704 |
| OPPOSITION | WO03002277 |
| OPPOSITION | WO2006136570 |
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Date
Description
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Sep 15, 2022
Sep 15, 2022
Sep 9, 2022
Aug 31, 2022
Aug 31, 2022
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Aug 31, 2022
Jul 14, 2022
Jul 14, 2022
Jul 14, 2022
Jul 7, 2022
Jun 27, 2022
Refund of fees
Search/Exam
Jun 15, 2022
Jun 15, 2022
Jun 9, 2022
(Electronic) Receipt
Appeal
Jun 9, 2022
Jun 9, 2022
Jun 9, 2022
Withdrawal of an appeal
Appeal
May 31, 2022
May 24, 2022
(Electronic) Receipt
Appeal
May 24, 2022
May 24, 2022
May 24, 2022
May 24, 2022
Mar 28, 2022
Mar 28, 2022
Mar 23, 2022
(Electronic) Receipt
Appeal
Mar 23, 2022
Mar 23, 2022
Notice of appeal
Appeal
Jan 20, 2022
Jan 18, 2022
Jan 14, 2022
Jan 14, 2022
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Means of redress
OPPO
Jan 14, 2022
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Description
OPPO
Sep 28, 2021
Description
OPPO
Sep 28, 2021
Description
OPPO
Sep 28, 2021
Description
OPPO
Sep 28, 2021
Description
OPPO
Sep 28, 2021
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Sep 16, 2019
Aug 8, 2019
Decision to grant a European patent
Search/Exam
Jul 29, 2019
(Electronic) Receipt
Search/Exam
Jul 29, 2019
Filing of the translations of the claims
Search/Exam
Jul 29, 2019
French translation of claims
Search/Exam
Jul 29, 2019
German translation of the claims
Search/Exam
Apr 2, 2019
Apr 2, 2019
Apr 2, 2019
Intention to grant (signatures)
Search/Exam
Apr 2, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 2, 2019
Nov 13, 2018
(Electronic) Receipt
Search/Exam
Nov 13, 2018
Amended claims with annotations
Search/Exam
Nov 13, 2018
Claims
Search/Exam
Nov 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2018
Jul 10, 2018
Annex to the communication
Search/Exam
Jul 10, 2018
Communication from the Examining Division
Search/Exam
Jun 29, 2018
Examination started
Search/Exam
Jul 4, 2017
(Electronic) Receipt
Search/Exam
Jul 4, 2017
Jul 4, 2017
Amended claims with annotations
Search/Exam
Jul 4, 2017
Jul 4, 2017
Amendments received before examination
Search/Exam
Jul 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2017
Jan 26, 2017
Jan 12, 2017
(Electronic) Receipt
Search/Exam
Jan 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 12, 2017
Matter concerning the application
Search/Exam
Jan 9, 2017
Dec 14, 2016
Communication to designated inventor
Search/Exam
Dec 14, 2016
Communication to designated inventor
Search/Exam
Nov 28, 2016
Nov 14, 2016
(Electronic) Receipt
Search/Exam
Nov 14, 2016
Nov 14, 2016
Request for entry into the European phase
Search/Exam
Nov 14, 2016
Submission concerning representation
Search/Exam
Sep 16, 2016
Information on entry into European phase
Search/Exam
Dec 1, 2015
Nov 12, 2015
Copy of the international search report
Search/Exam
Nov 12, 2015
Published international application - A1
Search/Exam
Sep 3, 2015
Annex
PCTISA
Sep 3, 2015
Sep 3, 2015
Sep 3, 2015
Sep 3, 2015
Jul 29, 2015
Annex
PCTISA
Jul 20, 2015
Jul 20, 2015
Jul 20, 2015
May 18, 2015
Abstract
PCTISA
May 18, 2015
Annex
PCTISA
May 18, 2015
Claims
PCTISA
May 18, 2015
Description
PCTISA
May 18, 2015
Drawings
PCTISA