The weekly litigation news digest is live. Subscribe now
The patent EP2767799 was granted to Nippon Steel on Dec 12, 2018. The application was filed on Sep 13, 2011 under application number EP11872503A. 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 |
|---|---|---|---|
| VOESTALPINE TUBULARS | Sep 11, 2019 | KESCHMANN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2003248158 |
| DESCRIPTION | JP3552440B |
| DESCRIPTION | JPS63212808 |
| INTERNATIONAL-SEARCH-REPORT | JP2011203220 |
| INTERNATIONAL-SEARCH-REPORT | JPH01124282U |
| INTERNATIONAL-SEARCH-REPORT | JPH0357606U |
| INTERNATIONAL-SEARCH-REPORT | JPH0611881U |
| INTERNATIONAL-SEARCH-REPORT | JPS6115749 |
| OPPOSITION | DE102007017747 |
| OPPOSITION | EP0185167 |
| OPPOSITION | JPH0611881U |
| SEARCH | US6111601 |
| SEARCH | WO0216081 |
| SEARCH | WO9747394 |
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
Jul 29, 2021
Jul 29, 2021
Jul 26, 2021
Apr 21, 2021
Apr 19, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Means of redress
OPPO
Apr 14, 2021
Apr 14, 2021
Mar 4, 2021
Mar 4, 2021
Feb 12, 2021
Feb 12, 2021
Feb 2, 2021
Feb 1, 2021
Feb 1, 2021
Jan 28, 2021
Jan 28, 2021
Jan 28, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Oct 16, 2020
Oct 15, 2020
Oct 12, 2020
Oct 12, 2020
Oct 12, 2020
Oct 12, 2020
Oct 12, 2020
Sep 4, 2020
Sep 4, 2020
Sep 3, 2020
Sep 1, 2020
Aug 28, 2020
Aug 28, 2020
Aug 27, 2020
Aug 27, 2020
Aug 27, 2020
Aug 27, 2020
Aug 27, 2020
Aug 27, 2020
Aug 27, 2020
Jul 15, 2020
Jul 15, 2020
Apr 22, 2020
Apr 20, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Feb 11, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Oct 1, 2019
Oct 1, 2019
Sep 24, 2019
Sep 24, 2019
Sep 18, 2019
Sep 18, 2019
Sep 18, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
May 17, 2019
Apr 30, 2019
Apr 30, 2019
Jan 2, 2019
Nov 15, 2018
Decision to grant a European patent
Search/Exam
Oct 25, 2018
(Electronic) Receipt
Search/Exam
Oct 25, 2018
Filing of the translations of the claims
Search/Exam
Oct 25, 2018
French translation of claims
Search/Exam
Oct 25, 2018
German translation of the claims
Search/Exam
Oct 25, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 25, 2018
Jun 25, 2018
Jun 25, 2018
Intention to grant (signatures)
Search/Exam
Jun 25, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 25, 2018
May 8, 2018
Examination started
Search/Exam
Feb 15, 2018
Oct 5, 2015
(Electronic) Receipt
Search/Exam
Oct 5, 2015
Oct 5, 2015
Amended claims with annotations
Search/Exam
Oct 5, 2015
Oct 5, 2015
Amended description with annotations
Search/Exam
Oct 5, 2015
Amendments received before examination
Search/Exam
Oct 5, 2015
Matter concerning the application
Search/Exam
Jun 16, 2015
May 28, 2015
May 28, 2015
European search opinion
Search/Exam
May 28, 2015
Supplementary European search report
Search/Exam
May 11, 2015
Search started
Search/Exam
Mar 11, 2015
Mar 4, 2015
Submission concerning representation
Search/Exam
Jul 23, 2014
Notification of forthcoming publication
Search/Exam
May 23, 2014
May 21, 2014
Communication to designated inventor
Search/Exam
May 21, 2014
Communication to designated inventor
Search/Exam
May 21, 2014
Communication to designated inventor
Search/Exam
Apr 1, 2014
Apr 1, 2014
Mar 31, 2014
(Electronic) Receipt
Search/Exam
Mar 31, 2014
Abstract
Search/Exam
Mar 31, 2014
Mar 31, 2014
Amended claims with annotations
Search/Exam
Mar 31, 2014
Claims
Search/Exam
Mar 31, 2014
Description
Search/Exam
Mar 31, 2014
Drawings
Search/Exam
Mar 31, 2014
Request for entry into the European phase
Search/Exam
Jan 24, 2014
Information on entry into European phase
Search/Exam
Aug 7, 2013
Notification of the recording of a change
Search/Exam
Mar 21, 2013
Copy of the international search report
Search/Exam
Mar 21, 2013
Mar 21, 2013
International publication pamphlet
Search/Exam