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The patent EP2551529 was granted to TKR Spezialwerkzeuge on Apr 5, 2017. The application was filed on Jul 23, 2012 under application number EP12177508A. 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 |
|---|---|---|---|
| WS WIELANDER SCHILL ENGINEERING | Dec 21, 2017 | FRIDERICHS | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| SEARCH | EP0143730 |
| SEARCH | JPH11114855 |
| SEARCH | JPH11245177 |
| SEARCH | US3413018 |
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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Authorisation
OPPO
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Apr 5, 2017
Mar 9, 2017
Decision to grant a European patent
Search/Exam
Feb 14, 2017
Feb 7, 2017
Feb 1, 2017
(Electronic) Receipt
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Feb 1, 2017
English translation of the claims
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Feb 1, 2017
Filing of the translations of the claims
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Feb 1, 2017
French translation of claims
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Feb 1, 2017
Letter accompanying subsequently filed items
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Oct 25, 2016
Oct 25, 2016
Oct 25, 2016
Intention to grant (signatures)
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Oct 25, 2016
Text intended for grant (clean copy)
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Oct 25, 2016
Aug 18, 2016
(Electronic) Receipt
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Aug 18, 2016
Amended claims with annotations
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Aug 18, 2016
Amended description with annotations
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Aug 18, 2016
Claims
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Aug 18, 2016
Description
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Aug 18, 2016
Letter accompanying subsequently filed items
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Aug 18, 2016
Aug 12, 2016
Annex to the communication
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Aug 12, 2016
Communication from the Examining Division
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Jan 5, 2016
(Electronic) Receipt
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Jan 5, 2016
Amended claims with annotations
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Jan 5, 2016
Claims
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Jan 5, 2016
Letter accompanying subsequently filed items
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Jan 5, 2016
Aug 27, 2015
Annex to the communication
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Aug 27, 2015
Communication from the Examining Division
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Aug 20, 2015
Examination started
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May 29, 2015
May 20, 2015
May 20, 2014
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Amended claims with annotations
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May 20, 2014
Amended claims with annotations
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May 20, 2014
Amendments received before examination
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May 19, 2014
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May 19, 2014
Amended claims with annotations
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May 19, 2014
Amended claims with annotations
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May 19, 2014
Amendments received before examination
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Apr 7, 2014
Matter concerning the application
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Apr 7, 2014
Mar 4, 2014
Mar 4, 2014
European search opinion
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Mar 4, 2014
European search report
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Feb 24, 2014
Search started
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Feb 5, 2014
Jan 30, 2014
Jan 4, 2013
Notification of forthcoming publication
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Oct 8, 2012
Communication to designated inventor
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Aug 4, 2012
Letter concerning the priority
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Aug 4, 2012
Priority document
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Jul 23, 2012
Abstract
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Jul 23, 2012
Jul 23, 2012
Claims
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Jul 23, 2012
Description
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Jul 23, 2012
Designation of inventor
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Jul 23, 2012
Drawings
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Jul 23, 2012
Priority search results
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Jul 23, 2012
Request for grant of a European patent
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