The weekly litigation news digest is live. Subscribe now
The patent EP3060456 was granted to RIO Tinto Alcan on Jul 9, 2025. The application was filed on Oct 23, 2014 under application number EP14855653A. 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 |
|---|---|---|---|
| SEW EURODRIVE | Aug 14, 2020 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE29724786U |
| DESCRIPTION | US2011077814 |
| INTERNATIONAL-SEARCH-REPORT | CA2827735 |
| INTERNATIONAL-SEARCH-REPORT | CN2795178Y |
| INTERNATIONAL-SEARCH-REPORT | EP0916615 |
| INTERNATIONAL-SEARCH-REPORT | EP2336075 |
| INTERNATIONAL-SEARCH-REPORT | US2008071429 |
| INTERNATIONAL-SEARCH-REPORT | US5938710 |
| OPPOSITION | CN2795178Y |
| OPPOSITION | DE102004047209 |
| OPPOSITION | DE102011085019 |
| OPPOSITION | DE102011109532 |
| OPPOSITION | DE202005004466U |
| OPPOSITION | DE29724786U |
| OPPOSITION | DE4218041 |
| OPPOSITION | DE4234375 |
| OPPOSITION | EP2302416 |
| OPPOSITION | EP2386876 |
| OPPOSITION | EP2428862 |
| OPPOSITION | EP2515143 |
| OPPOSITION | US2008071429 |
| OPPOSITION | US2011077814 |
| SEARCH | CN2795178Y |
| SEARCH | DE102011109532 |
| SEARCH | DE29724786U |
| SEARCH | DE4234375 |
| SEARCH | US2008071429 |
| SEARCH | US2011077814 |
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
Get instant alerts for new documents
Jun 13, 2025
Jun 13, 2025
Jun 2, 2025
Jun 2, 2025
Description
OPPO
Jun 2, 2025
May 13, 2025
May 13, 2025
Description
OPPO
May 13, 2025
May 13, 2025
May 13, 2025
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Feb 4, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Nov 20, 2024
(Electronic) Receipt
Appeal
Nov 20, 2024
Oct 21, 2024
Oct 21, 2024
Sep 5, 2024
Sep 3, 2024
(Electronic) Receipt
Appeal
Sep 3, 2024
Sep 3, 2024
Aug 9, 2024
Aug 6, 2024
(Electronic) Receipt
Appeal
Aug 6, 2024
Jul 15, 2024
Jul 15, 2024
May 14, 2024
(Electronic) Receipt
Appeal
May 14, 2024
Apr 17, 2024
Apr 17, 2024
Apr 12, 2024
Feb 21, 2024
Jun 2, 2023
May 26, 2023
(Electronic) Receipt
Appeal
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
Reply to appeal
Appeal
Feb 8, 2023
Feb 2, 2023
(Electronic) Receipt
Appeal
Feb 2, 2023
Feb 2, 2023
Feb 2, 2023
Dec 20, 2022
Dec 20, 2022
Dec 12, 2022
(Electronic) Receipt
Appeal
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Notice of appeal
Appeal
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Means of redress
OPPO
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Apr 14, 2022
Mar 29, 2022
Mar 23, 2022
Mar 23, 2022
Authorisation
OPPO
Mar 23, 2022
Mar 23, 2022
Feb 22, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 8, 2022
Jan 31, 2022
Jan 31, 2022
Jan 25, 2022
Jan 21, 2022
Jan 5, 2022
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 8, 2021
Dec 6, 2021
Dec 6, 2021
Dec 6, 2021
Dec 3, 2021
Dec 3, 2021
Dec 2, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 11, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Aug 11, 2021
Aug 9, 2021
Aug 5, 2021
Aug 5, 2021
Aug 4, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Jul 19, 2021
Jul 13, 2021
Jul 13, 2021
Jul 13, 2021
Jul 13, 2021
Jul 13, 2021
Jul 13, 2021
Feb 9, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Oct 8, 2020
Oct 8, 2020
Aug 25, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Jan 2, 2020
Nov 21, 2019
Decision to grant a European patent
Search/Exam
Nov 12, 2019
Nov 8, 2019
(Electronic) Receipt
Search/Exam
Nov 8, 2019
English translation of the claims
Search/Exam
Nov 8, 2019
Filing of the translations of the claims
Search/Exam
Nov 8, 2019
German translation of the claims
Search/Exam
Nov 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2019
Authorisation
Search/Exam
Oct 21, 2019
Aug 5, 2019
Invitation to file an authorisation
Search/Exam
Jul 26, 2019
(Electronic) Receipt
Search/Exam
Jul 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Intention to grant (signatures)
Search/Exam
Jul 11, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 11, 2019
Jun 17, 2019
Examination started
Search/Exam
Jan 26, 2018
(Electronic) Receipt
Search/Exam
Jan 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 26, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Aug 31, 2017
Aug 23, 2017
Refund of fees
Search/Exam
Aug 14, 2017
Aug 14, 2017
European search opinion
Search/Exam
Aug 14, 2017
Information on Search Strategy
Search/Exam
Aug 14, 2017
Supplementary European search report
Search/Exam
Feb 28, 2017
Priority search results copy provided by EPO
Search/Exam
Oct 17, 2016
Oct 4, 2016
Aug 3, 2016
Jun 22, 2016
Jun 20, 2016
Communication to designated inventor
Search/Exam
Jun 20, 2016
Communication to designated inventor
Search/Exam
Jun 20, 2016
Communication to designated inventor
Search/Exam
May 18, 2016
May 13, 2016
May 13, 2016
Amended claims with annotations
Search/Exam
May 13, 2016
Amendments received before examination
Search/Exam
May 13, 2016
Payment of fees and costs
Search/Exam
May 13, 2016
Request for entry into the European phase
Search/Exam
Mar 4, 2016
Information on entry into European phase
Search/Exam
May 19, 2015
Apr 30, 2015
Copy of the international search report
Search/Exam
Apr 30, 2015
Copy of the international search report
Search/Exam
Apr 30, 2015
Published international application - A1
Search/Exam