The weekly litigation news digest is live. Subscribe now
The patent EP3502300 was granted to JFE Steel on Jan 13, 2021. The application was filed on Sep 14, 2017 under application number EP17864391A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| TATA STEEL NEDERLAND TECHNOLOGY | Oct 13, 2021 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2004211157 |
| DESCRIPTION | JP2005060742 |
| DESCRIPTION | JP2007291498 |
| DESCRIPTION | JP2016053211 |
| DESCRIPTION | JPH04202630 |
| DESCRIPTION | JPH04202631 |
| DESCRIPTION | JPH04202632 |
| DESCRIPTION | JPH04202633 |
| DESCRIPTION | JPH04254531 |
| DESCRIPTION | JPH04254532 |
| DESCRIPTION | JPH0734210 |
| DESCRIPTION | JPS55122865 |
| INTERNATIONAL-SEARCH-REPORT | JP2016053211 |
| INTERNATIONAL-SEARCH-REPORT | WO2016038801 |
| OPPOSITION | EP2112247 |
| OPPOSITION | EP2716773 |
| OPPOSITION | EP3000908 |
| OPPOSITION | EP3428303 |
| OPPOSITION | US2016304982 |
| OPPOSITION | US9096919 |
| OPPOSITION | WO2016152018 |
| SEARCH | EP2716773 |
| SEARCH | EP3428303 |
| SEARCH | JP2016053211 |
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
Feb 12, 2025
Feb 12, 2025
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Means of redress
OPPO
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 6, 2024
Oct 11, 2024
Oct 8, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Aug 9, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 1, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Jan 23, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Sep 5, 2022
Aug 31, 2022
Aug 31, 2022
Aug 31, 2022
Jul 1, 2022
Jun 21, 2022
Jun 21, 2022
Jun 21, 2022
Mar 8, 2022
Mar 3, 2022
Mar 3, 2022
Mar 3, 2022
Mar 3, 2022
Mar 3, 2022
Oct 25, 2021
Oct 25, 2021
Oct 18, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Jan 25, 2021
Dec 17, 2020
Decision to grant a European patent
Search/Exam
Oct 29, 2020
(Electronic) Receipt
Search/Exam
Oct 29, 2020
French translation of claims
Search/Exam
Oct 29, 2020
German translation of the claims
Search/Exam
Oct 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2020
Sep 3, 2020
Sep 3, 2020
Intention to grant (signatures)
Search/Exam
Sep 3, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 3, 2020
Jul 3, 2020
(Electronic) Receipt
Search/Exam
Jul 3, 2020
Amended description with annotations
Search/Exam
Jul 3, 2020
Description
Search/Exam
Jul 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2020
Feb 27, 2020
Feb 27, 2020
Feb 27, 2020
Intention to grant (signatures)
Search/Exam
Feb 27, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 27, 2020
Jan 29, 2020
Examination started
Search/Exam
Jan 9, 2020
(Electronic) Receipt
Search/Exam
Jan 9, 2020
Jan 9, 2020
Amended claims with annotations
Search/Exam
Jan 9, 2020
Amendments received before examination
Search/Exam
Jan 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 16, 2019
Jun 28, 2019
Jun 28, 2019
European search opinion
Search/Exam
Jun 28, 2019
Information on Search Strategy
Search/Exam
Jun 28, 2019
Supplementary European search report
Search/Exam
Jun 13, 2019
Search started
Search/Exam
May 29, 2019
Notification of forthcoming publication
Search/Exam
May 20, 2019
May 20, 2019
Apr 25, 2019
Submission concerning representation
Search/Exam
Apr 24, 2019
Apr 24, 2019
Reply by International Bureau
Search/Exam
Apr 24, 2019
Apr 24, 2019
Apr 16, 2019
Enquiry with the International Bureau
Search/Exam
Apr 5, 2019
Refund of fees
Search/Exam
Apr 2, 2019
Communication to designated inventor
Search/Exam
Apr 2, 2019
Communication to designated inventor
Search/Exam
Apr 2, 2019
Communication to designated inventor
Search/Exam
Apr 2, 2019
Communication to designated inventor
Search/Exam
Apr 2, 2019
Communication to designated inventor
Search/Exam
Apr 2, 2019
Apr 2, 2019
Mar 21, 2019
(Electronic) Receipt
Search/Exam
Mar 21, 2019
Abstract
Search/Exam
Mar 21, 2019
Mar 21, 2019
Amended description with annotations
Search/Exam
Mar 21, 2019
Annex
Search/Exam
Mar 21, 2019
Claims
Search/Exam
Mar 21, 2019
Description
Search/Exam
Mar 21, 2019
Drawings
Search/Exam
Mar 21, 2019
Request for entry into the European phase
Search/Exam
Mar 8, 2019
Information on entry into European phase
Search/Exam
May 22, 2018
May 3, 2018
Copy of the international search report
Search/Exam
May 3, 2018
May 3, 2018
International publication pamphlet
Search/Exam