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The patent EP2976184 was granted to Elgan Diamantwerkzeuge on Nov 11, 2020. The application was filed on Mar 10, 2014 under application number EP14708570A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| GEHRING | Jul 4, 2018 | DREISS PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE1652074 |
| EXAMINATION | WO0176817 |
| INTERNATIONAL-SEARCH-REPORT | EP1321229 |
| INTERNATIONAL-SEARCH-REPORT | EP1815944 |
| OPPOSITION | DE1576404 |
| OPPOSITION | DE1652074 |
| OPPOSITION | EP1321229 |
| OPPOSITION | GB2310704 |
| OPPOSITION | JPH0210274Y |
| OPPOSITION | JPS57126539 |
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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OPPO
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OPPO
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OPPO
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OPPO
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Oct 12, 2017
Sep 7, 2017
Decision to grant a European patent
Search/Exam
Aug 24, 2017
English translation of the claims
Search/Exam
Aug 24, 2017
Filing of the translations of the claims
Search/Exam
Aug 24, 2017
French translation of claims
Search/Exam
Aug 24, 2017
Payment of fees and costs
Search/Exam
May 18, 2017
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Intention to grant (signatures)
Search/Exam
May 18, 2017
Text intended for grant (clean copy)
Search/Exam
May 18, 2017
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Amended claims with annotations
Search/Exam
Apr 19, 2017
Amended description with annotations
Search/Exam
Apr 19, 2017
Claims
Search/Exam
Apr 19, 2017
Description
Search/Exam
Apr 19, 2017
Feb 2, 2017
Annex to the communication
Search/Exam
Feb 2, 2017
Communication from the Examining Division
Search/Exam
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Amendments received before examination
Search/Exam
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Amendments received before examination
Search/Exam
Jan 7, 2016
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Oct 23, 2015
Communication to designated inventor
Search/Exam
Oct 23, 2015
Communication to designated inventor
Search/Exam
Oct 20, 2015
Oct 20, 2015
Notification of the recording of a change
Search/Exam
Oct 5, 2015
Sep 9, 2015
(Electronic) Receipt
Search/Exam
Sep 9, 2015
Priority search results
Search/Exam
Sep 9, 2015
Request for entry into the European phase
Search/Exam
Jul 29, 2015
Information on entry into European phase
Search/Exam
Oct 14, 2014
Sep 25, 2014
Copy of the international search report
Search/Exam
Sep 25, 2014
Copy of the international search report
Search/Exam
Sep 25, 2014
Published international application - A1
Search/Exam
Jun 2, 2014
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Mar 10, 2014
(Electronic) Receipt
PCTRO
Mar 10, 2014
Abstract
PCTRO
Mar 10, 2014
Claims
PCTRO
Mar 10, 2014
Description
PCTRO
Mar 10, 2014
Drawings
PCTRO