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The patent EP2622238 was granted to Aktiebolaget SKF on Jul 11, 2018. The application was filed on Sep 22, 2011 under application number EP11829675A. 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 |
|---|---|---|---|
| THYSSENKRUPP ROTHE ERDE GERMANY | Aug 12, 2020 | THYSSENKRUPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3619547 |
| DESCRIPTION | US3692374 |
| INTERNATIONAL-SEARCH-REPORT | DE102005014967 |
| INTERNATIONAL-SEARCH-REPORT | GB1141901 |
| INTERNATIONAL-SEARCH-REPORT | US3387900 |
| INTERNATIONAL-SEARCH-REPORT | US7604416 |
| OPPOSITION | DE102005014967 |
| OPPOSITION | DE1075446 |
| OPPOSITION | DE1794482U |
| OPPOSITION | DE2932704 |
| OPPOSITION | GB1141901 |
| OPPOSITION | JP2010013039 |
| OPPOSITION | US1931161 |
| OPPOSITION | US3262185 |
| OPPOSITION | US3387900 |
| OPPOSITION | US3619547 |
| OPPOSITION | US3692374 |
| OPPOSITION | US7604416 |
| SEARCH | JP2010013039 |
| SEARCH | US1931161 |
| SEARCH | US3262185 |
| SEARCH | US3619547 |
| SEARCH | US3692374 |
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
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Jul 23, 2018
Jun 14, 2018
Decision to grant a European patent
Search/Exam
May 29, 2018
(Electronic) Receipt
Search/Exam
May 29, 2018
French translation of claims
Search/Exam
May 29, 2018
German translation of the claims
Search/Exam
May 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2018
Feb 13, 2018
Feb 13, 2018
Intention to grant (signatures)
Search/Exam
Feb 13, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 13, 2018
Jan 11, 2018
Examination started
Search/Exam
Dec 22, 2017
Dec 4, 2017
Nov 28, 2017
Apr 28, 2017
Apr 10, 2017
Dec 22, 2016
(Electronic) Receipt
Search/Exam
Dec 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 22, 2016
Dec 22, 2016
Nov 18, 2016
Nov 15, 2016
Nov 9, 2016
Refund of fees
Search/Exam
Nov 8, 2016
Oct 24, 2016
(Electronic) Receipt
Search/Exam
Oct 24, 2016
Oct 24, 2016
Amended claims with annotations
Search/Exam
Oct 24, 2016
Oct 24, 2016
Amended description with annotations
Search/Exam
Oct 24, 2016
Amendments received before examination
Search/Exam
Oct 24, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 15, 2016
Mar 30, 2016
Mar 30, 2016
European search opinion
Search/Exam
Mar 30, 2016
Information on Search Strategy
Search/Exam
Mar 30, 2016
Supplementary European search report
Search/Exam
Mar 14, 2016
Search started
Search/Exam
Nov 4, 2015
Refund of fees
Search/Exam
Oct 28, 2013
Refund of fees
Search/Exam
Jul 10, 2013
Jul 2, 2013
Jun 18, 2013
Letter which had not been notified
Search/Exam
May 31, 2013
May 22, 2013
Communication to designated inventor
Search/Exam
May 16, 2013
Authorisation
Search/Exam
May 16, 2013
Matter concerning the application
Search/Exam
May 14, 2013
Annex
Search/Exam
May 14, 2013
Letter concerning fees and payments
Search/Exam
Apr 15, 2013
Mar 8, 2013
Annex
Search/Exam
Mar 8, 2013
Annex
Search/Exam
Mar 8, 2013
Annex
Search/Exam
Mar 8, 2013
Annex
Search/Exam
Mar 8, 2013
Annex
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Mar 8, 2013
Annex
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Mar 8, 2013
Annex
Search/Exam
Mar 8, 2013
Request for entry into the European phase
Search/Exam
Feb 8, 2013
Information on entry into European phase
Search/Exam
Apr 25, 2012
Apr 5, 2012
Copy of the international search report
Search/Exam
Apr 5, 2012
Published international application - A1
Search/Exam