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The patent EP2955241 was granted to Maschinenfabrik Gustav Eirich on Jan 24, 2024. The application was filed on Jun 12, 2014 under application number EP14172142A. 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 |
|---|---|---|---|
| KENNAMETAL | Oct 23, 2024 | PRINZ & PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1153652 |
| DESCRIPTION | EP1724363 |
| DESCRIPTION | US5922978 |
| DESCRIPTION | US6878182 |
| EXAMINATION | EP0471123 |
| EXAMINATION | EP2647731 |
| EXAMINATION | JP2012052237 |
| EXAMINATION | US4478888 |
| EXAMINATION | US5619000 |
| OPPOSITION | CN102806346 |
| OPPOSITION | DE2323096 |
| OPPOSITION | DE2643954 |
| OPPOSITION | EP0264287 |
| OPPOSITION | EP0329475 |
| OPPOSITION | JP2001279363 |
| OPPOSITION | JP2012052237 |
| OPPOSITION | JPH04280903 |
| OPPOSITION | JPS61235533 |
| OPPOSITION | US2004238071 |
| OPPOSITION | US4478888 |
| OPPOSITION | WO2007147792 |
| OPPOSITION | WO2010071580 |
| OPPOSITION | WO9402273 |
| SEARCH | CN101892409 |
| SEARCH | US2003124017 |
| SEARCH | US4610931 |
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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Decision to grant a European patent
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Dec 15, 2023
(Electronic) Receipt
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Dec 15, 2023
Filing of the translations of the claims
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Dec 15, 2023
French translation of claims
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Dec 15, 2023
German translation of the claims
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Intention to grant (signatures)
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Aug 25, 2023
Text intended for grant (clean copy)
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Aug 25, 2023
Jun 7, 2023
(Electronic) Receipt
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Jun 7, 2023
Amended claims with annotations
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Jun 7, 2023
Claims
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Jun 7, 2023
Letter accompanying subsequently filed items
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Jun 7, 2023
Feb 20, 2023
Annex to the communication
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Feb 20, 2023
Communication from the Examining Division
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Oct 15, 2020
(Electronic) Receipt
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Oct 15, 2020
Amended claims with annotations
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Oct 15, 2020
Amended description with annotations
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Oct 15, 2020
Claims
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Oct 15, 2020
Description
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Oct 15, 2020
Letter accompanying subsequently filed items
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Annex to the communication
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Apr 28, 2020
Communication from the Examining Division
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Annex to a communication
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Annex to a communication
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Annex to a communication
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Annex to a communication
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Oct 18, 2018
(Electronic) Receipt
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Oct 18, 2018
Amended claims with annotations
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Oct 18, 2018
Amended description with annotations
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Oct 18, 2018
Claims
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Oct 18, 2018
Description
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Oct 18, 2018
Letter accompanying subsequently filed items
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Oct 18, 2018
Jun 8, 2018
Annex to the communication
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Jun 8, 2018
Communication from the Examining Division
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May 28, 2018
Examination started
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Feb 15, 2018
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Amended description with annotations
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Jun 14, 2016
Amendments received before examination
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Amended description with annotations
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Jun 13, 2016
Amendments received before examination
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Jun 6, 2016
(Electronic) Receipt
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Jun 6, 2016
Letter accompanying subsequently filed items
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May 25, 2016
(Electronic) Receipt
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May 25, 2016
Letter accompanying subsequently filed items
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May 25, 2016
May 17, 2016
Annexes in respect of a client data request
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May 17, 2016
Payment of fees and costs
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May 17, 2016
Payment of fees and costs
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May 17, 2016
Mar 2, 2016
Communication to designated inventor
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Feb 22, 2016
(Electronic) Receipt
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Feb 22, 2016
Letter accompanying subsequently filed items
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Feb 22, 2016
Letter concerning the inventor
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Dec 21, 2015
Nov 18, 2015
Notification of forthcoming publication
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Dec 4, 2014
Dec 4, 2014
European search opinion
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Dec 4, 2014
European search report
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Nov 19, 2014
Search started
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Sep 5, 2014
Communication to designated inventor
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Sep 5, 2014
Communication to designated inventor
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Sep 5, 2014
Communication to designated inventor
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Jul 14, 2014
Jun 12, 2014
Abstract
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Jun 12, 2014
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Claims
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Jun 12, 2014
Description
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Jun 12, 2014
Designation of inventor
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Jun 12, 2014
Designation of inventor
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Designation of inventor
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Jun 12, 2014
Drawings
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Jun 12, 2014
Request for grant of a European patent
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