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The patent EP2550174 was granted to SEW Eurodrive on May 12, 2021. The application was filed on Mar 2, 2011 under application number EP11706758A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| IPT TECHNOLOGY | Feb 14, 2022 | PATENTANWALTE BRESSEL UND PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US2008297107 |
| INTERNATIONAL-SEARCH-REPORT | DE102006012562 |
| INTERNATIONAL-SEARCH-REPORT | DE102007033654 |
| INTERNATIONAL-SEARCH-REPORT | EP0788212 |
| INTERNATIONAL-SEARCH-REPORT | US2003030411 |
| OPPOSITION | DE102006012562 |
| OPPOSITION | DE10216422 |
| OPPOSITION | DE3916610 |
| OPPOSITION | EP0788212 |
| OPPOSITION | EP2066001 |
| OPPOSITION | JP2009089463 |
| OPPOSITION | JP2010051089 |
| OPPOSITION | US2002057075 |
| OPPOSITION | US2005094346 |
| OPPOSITION | US2008164839 |
| OPPOSITION | US2008197957 |
| OPPOSITION | US2008297107 |
| OPPOSITION | US2009015197 |
| OPPOSITION | US4742283 |
| OPPOSITION | US5548214 |
| OPPOSITION | US5963035 |
| OPPOSITION | WO2009040998 |
| OPPOSITION | WO2009081115 |
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.
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Description
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OPPO
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Description
OPPO
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May 26, 2021
Apr 15, 2021
Decision to grant a European patent
Search/Exam
Feb 9, 2021
English translation of the claims
Search/Exam
Feb 9, 2021
Filing of the translations of the claims
Search/Exam
Feb 9, 2021
French translation of claims
Search/Exam
Feb 5, 2021
English translation of the claims
Search/Exam
Feb 5, 2021
Filing of the translations of the claims
Search/Exam
Feb 5, 2021
French translation of claims
Search/Exam
Nov 3, 2020
Nov 3, 2020
Nov 3, 2020
Intention to grant (signatures)
Search/Exam
Nov 3, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 3, 2020
Jan 10, 2020
Claims
Search/Exam
Jan 10, 2020
Description
Search/Exam
Jan 10, 2020
Jan 9, 2020
Claims
Search/Exam
Jan 9, 2020
Description
Search/Exam
Jan 9, 2020
Oct 8, 2019
Annex to the communication
Search/Exam
Oct 8, 2019
Communication from the Examining Division
Search/Exam
Jul 24, 2019
Claims
Search/Exam
Jul 24, 2019
Description
Search/Exam
Jul 24, 2019
Jul 22, 2019
Claims
Search/Exam
Jul 22, 2019
Description
Search/Exam
Jul 22, 2019
Apr 23, 2019
Annex to the communication
Search/Exam
Apr 23, 2019
Communication from the Examining Division
Search/Exam
Aug 2, 2018
Claims
Search/Exam
Aug 2, 2018
Description
Search/Exam
Aug 2, 2018
Jul 31, 2018
Claims
Search/Exam
Jul 31, 2018
Description
Search/Exam
Jul 31, 2018
Apr 25, 2018
Annex to the communication
Search/Exam
Apr 25, 2018
Communication from the Examining Division
Search/Exam
Apr 12, 2018
Examination started
Search/Exam
Jan 25, 2018
Jan 4, 2013
Nov 14, 2012
Nov 14, 2012
Nov 14, 2012
Amendments received before examination
Search/Exam
Nov 12, 2012
Nov 12, 2012
Nov 12, 2012
Amendments received before examination
Search/Exam
Nov 2, 2012
Oct 30, 2012
Communication to designated inventor
Search/Exam
Oct 30, 2012
Communication to designated inventor
Search/Exam
Oct 30, 2012
Communication to designated inventor
Search/Exam
Oct 30, 2012
Communication to designated inventor
Search/Exam
Oct 10, 2012
Sep 22, 2012
Abstract
Search/Exam
Sep 22, 2012
Sep 22, 2012
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General authorisation
Search/Exam
Sep 22, 2012
Letter accompanying subsequently filed items
Search/Exam
Sep 22, 2012
Matter concerning the application
Search/Exam
Sep 22, 2012
Priority search results
Search/Exam
Sep 22, 2012
Request for entry into the European phase
Search/Exam
Sep 20, 2012
Abstract
Search/Exam
Sep 20, 2012
Sep 20, 2012
Sep 20, 2012
Sep 20, 2012
General authorisation
Search/Exam
Sep 20, 2012
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2012
Matter concerning the application
Search/Exam
Sep 20, 2012
Priority search results
Search/Exam
Sep 20, 2012
Request for entry into the European phase
Search/Exam
Aug 3, 2012
Information on entry into European phase
Search/Exam
Dec 22, 2011
Copy of the international search report
Search/Exam
Dec 22, 2011
Oct 21, 2011
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Oct 17, 2011
Sep 29, 2011
Published international application - A2
Search/Exam
Mar 5, 2011
Abstract
PCTRO
Mar 5, 2011
Claims
PCTRO
Mar 5, 2011
Description
PCTRO
Mar 5, 2011
Drawings
PCTRO