The patent EP3251763 was granted to Primetals Japan on Jan 12, 2022. The application was originally filed on Feb 22, 2017 under application number EP17157315A. 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 | JPH05237527 |
| DESCRIPTION | JPS61108405 |
| OPPOSITION | EP0618020 |
| OPPOSITION | JP2002011509 |
| OPPOSITION | JP2005313177 |
| OPPOSITION | JP2006239727 |
| OPPOSITION | JPH06304623 |
| OPPOSITION | JPH09141312 |
| OPPOSITION | JPS61129211 |
| SEARCH | JP2005313177 |
| SEARCH | JPH09141312 |
| SEARCH | JPS61129211 |
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportThe 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
Dec 16, 2021
Dec 16, 2021
Dec 10, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Nov 15, 2021
Nov 15, 2021
Nov 8, 2021
Nov 8, 2021
Aug 2, 2021
Jul 27, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Means of redress
OPPO
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
May 20, 2021
May 12, 2021
Apr 29, 2021
Apr 28, 2021
Apr 28, 2021
Apr 28, 2021
Apr 20, 2021
Apr 20, 2021
Authorisation
OPPO
Apr 20, 2021
Apr 8, 2021
Mar 29, 2021
Mar 29, 2021
Mar 29, 2021
Mar 26, 2021
Mar 24, 2021
Mar 23, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 18, 2021
Mar 17, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Feb 22, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 11, 2021
Feb 11, 2021
Oct 14, 2020
Oct 14, 2020
Oct 6, 2020
Oct 6, 2020
Oct 6, 2020
Jun 22, 2020
Jun 17, 2020
Jun 17, 2020
Jun 17, 2020
Feb 7, 2020
Feb 7, 2020
Jan 29, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Jan 23, 2020
Oct 7, 2019
Submission concerning representation
Search/Exam
May 7, 2019
Mar 28, 2019
Decision to grant a European patent
Search/Exam
Mar 13, 2019
(Electronic) Receipt
Search/Exam
Mar 13, 2019
Filing of the translations of the claims
Search/Exam
Mar 13, 2019
French translation of claims
Search/Exam
Mar 13, 2019
German translation of the claims
Search/Exam
Mar 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2019
Jan 18, 2019
Nov 5, 2018
Nov 5, 2018
Nov 5, 2018
Intention to grant (signatures)
Search/Exam
Nov 5, 2018
Text intended for grant (clean copy)
Search/Exam
Nov 5, 2018
Sep 20, 2018
Examination started
Search/Exam
Apr 5, 2018
(Electronic) Receipt
Search/Exam
Apr 5, 2018
Apr 5, 2018
Amended claims with annotations
Search/Exam
Apr 5, 2018
Apr 5, 2018
Amended description with annotations
Search/Exam
Apr 5, 2018
Amendments received before examination
Search/Exam
Apr 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2017
Nov 8, 2017
Notification of forthcoming publication
Search/Exam
Sep 11, 2017
Sep 11, 2017
European search opinion
Search/Exam
Sep 11, 2017
European search report
Search/Exam
Sep 11, 2017
Information on Search Strategy
Search/Exam
Sep 1, 2017
Search started
Search/Exam
Jun 23, 2017
Payment of fees and costs
Search/Exam
Jun 23, 2017
Payment of fees and costs
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
May 2, 2017
Apr 24, 2017
Feb 22, 2017
Abstract
Search/Exam
Feb 22, 2017
Feb 22, 2017
Claims
Search/Exam
Feb 22, 2017
Description
Search/Exam
Feb 22, 2017
Designation of inventor
Search/Exam
Feb 22, 2017
Drawings
Search/Exam
Feb 22, 2017
Request for grant of a European patent
Search/Exam