The weekly litigation news digest is live. Subscribe now
The patent EP2749781 was granted to NTN on Jul 25, 2018. The application was filed on Aug 9, 2012 under application number EP12825668A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| SKF | Apr 25, 2019 | KUHSTREBE | ADMISSIBLE |
| THYSSENKRUPP ROTHE ERDE GERMANY | Mar 25, 2019 | THYSSENKRUPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2526195Y |
| DESCRIPTION | JPH0482431U |
| DESCRIPTION | JPH06313435 |
| DESCRIPTION | JPH07301241 |
| EXAMINATION | US2008187262 |
| EXAMINATION | USRE35860E |
| INTERNATIONAL-SEARCH-REPORT | JP2008069925 |
| INTERNATIONAL-SEARCH-REPORT | JP2008169959 |
| INTERNATIONAL-SEARCH-REPORT | JP2011007247 |
| OPPOSITION | DE102005020653 |
| OPPOSITION | DE102009017192 |
| OPPOSITION | JP2008069925 |
| OPPOSITION | JP2008169959 |
| OPPOSITION | JP2011007247 |
| OPPOSITION | US2005078897 |
| OPPOSITION | US2008187262 |
| OPPOSITION | US3862851 |
| OPPOSITION | USRE35860E |
| OPPOSITION | WO2008145163 |
| SEARCH | JP2011007247 |
| SEARCH | WO2008145163 |
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
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 13, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Jul 7, 2021
Jun 21, 2021
Jun 8, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Means of redress
OPPO
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Apr 13, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 6, 2021
Apr 6, 2021
Mar 30, 2021
Mar 30, 2021
Mar 30, 2021
Mar 29, 2021
Mar 29, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 5, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jul 24, 2020
Jul 20, 2020
Jul 17, 2020
Jul 14, 2020
Jul 14, 2020
Jul 14, 2020
Jul 14, 2020
Jul 14, 2020
Jul 14, 2020
Jul 14, 2020
Jul 14, 2020
Mar 26, 2020
Mar 20, 2020
Mar 20, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Oct 7, 2019
Oct 7, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 13, 2019
May 13, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 2, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 3, 2019
Apr 3, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Aug 6, 2018
Jun 28, 2018
Decision to grant a European patent
Search/Exam
Jun 14, 2018
(Electronic) Receipt
Search/Exam
Jun 14, 2018
Filing of the translations of the claims
Search/Exam
Jun 14, 2018
French translation of claims
Search/Exam
Jun 14, 2018
German translation of the claims
Search/Exam
Mar 15, 2018
Mar 15, 2018
Mar 15, 2018
Intention to grant (signatures)
Search/Exam
Mar 15, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 15, 2018
Oct 18, 2017
(Electronic) Receipt
Search/Exam
Oct 18, 2017
Claims
Search/Exam
Oct 18, 2017
Description
Search/Exam
Oct 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2017
Jun 9, 2017
Annex to the communication
Search/Exam
Jun 9, 2017
Communication from the Examining Division
Search/Exam
Mar 22, 2017
Mar 7, 2017
(Electronic) Receipt
Search/Exam
Mar 7, 2017
Enquiry as to the processing of the file
Search/Exam
Mar 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2016
(Electronic) Receipt
Search/Exam
Jan 13, 2016
Jan 13, 2016
Amended claims with annotations
Search/Exam
Jan 13, 2016
Jan 13, 2016
Amended description with annotations
Search/Exam
Jan 13, 2016
Amendments received before examination
Search/Exam
Jan 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 9, 2015
Jun 22, 2015
Jun 22, 2015
European search opinion
Search/Exam
Jun 22, 2015
Supplementary European search report
Search/Exam
Jun 4, 2014
Notification of forthcoming publication
Search/Exam
May 27, 2014
Communication to designated inventor
Search/Exam
May 27, 2014
Communication to designated inventor
Search/Exam
Apr 9, 2014
(Electronic) Receipt
Search/Exam
Apr 9, 2014
Apr 9, 2014
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2014
Letter concerning the inventor
Search/Exam
Apr 1, 2014
Deficiencies in designation of inventor
Search/Exam
Mar 7, 2014
(Electronic) Receipt
Search/Exam
Mar 7, 2014
Abstract
Search/Exam
Mar 7, 2014
Claims
Search/Exam
Mar 7, 2014
Mar 7, 2014
Description
Search/Exam
Mar 7, 2014
Drawings
Search/Exam
Mar 7, 2014
Request for entry into the European phase
Search/Exam
Mar 7, 2014
Jan 7, 2014
Information on entry into European phase
Search/Exam
Mar 19, 2013
Feb 28, 2013
Copy of the international search report
Search/Exam
Feb 28, 2013
Feb 28, 2013
International publication pamphlet
Search/Exam