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The patent EP2825686 was granted to Boehlerit on Apr 29, 2020. The application was filed on Dec 28, 2012 under application number EP12818870A. 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 |
|---|---|---|---|
| MITSUBISHI MATERIALS | Jan 27, 2021 | GILLE HRABAL | - |
| MITSUBISHI MATERIALS | Jan 27, 2021 | GILLE HRABAL PARTNERSCHAFTSGESELLSCHAFT MBB PATENTANWALTE | - |
| CERATIZIT AUSTRIA GESELLSCHAFT | Jan 21, 2021 | CIESLA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102007000512 |
| DESCRIPTION | US6238739 |
| DESCRIPTION | WO03085152 |
| INTERNATIONAL-SEARCH-REPORT | DE102005032860 |
| INTERNATIONAL-SEARCH-REPORT | EP0709483 |
| INTERNATIONAL-SEARCH-REPORT | EP1795628 |
| INTERNATIONAL-SEARCH-REPORT | EP2008743 |
| INTERNATIONAL-SEARCH-REPORT | US2008299366 |
| INTERNATIONAL-SEARCH-REPORT | WO2012126030 |
| OPPOSITION | DE102008013966 |
| OPPOSITION | WO2007003648 |
| OPPOSITION | WO2008031768 |
| OPPOSITION | WO2012126030 |
| OPPOSITION | WO2012126031 |
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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Claims
OPPO
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Description
OPPO
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Notice of appeal
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Apr 2, 2020
Decision to grant a European patent
Search/Exam
Mar 24, 2020
Mar 19, 2020
(Electronic) Receipt
Search/Exam
Mar 19, 2020
English translation of the claims
Search/Exam
Mar 19, 2020
Filing of the translations of the claims
Search/Exam
Mar 19, 2020
French translation of claims
Search/Exam
Mar 19, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 21, 2020
Feb 21, 2020
Feb 21, 2020
Intention to grant (signatures)
Search/Exam
Feb 21, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 21, 2020
Mar 13, 2019
(Electronic) Receipt
Search/Exam
Mar 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2019
Mar 13, 2019
Jan 7, 2019
Jan 2, 2019
(Electronic) Receipt
Search/Exam
Jan 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 2, 2019
Sep 3, 2018
Annex to the communication
Search/Exam
Sep 3, 2018
Communication from the Examining Division
Search/Exam
Jun 9, 2017
(Electronic) Receipt
Search/Exam
Jun 9, 2017
Amended claims with annotations
Search/Exam
Jun 9, 2017
Claims
Search/Exam
Jun 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2017
Jan 30, 2017
Annex to the communication
Search/Exam
Jan 30, 2017
Communication from the Examining Division
Search/Exam
Jan 24, 2017
Examination started
Search/Exam
Dec 14, 2016
Submission concerning representation
Search/Exam
Oct 11, 2016
May 15, 2015
(Electronic) Receipt
Search/Exam
May 15, 2015
Letter accompanying subsequently filed items
Search/Exam
May 15, 2015
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 14, 2015
Communication to designated inventor
Search/Exam
Jan 5, 2015
Dec 16, 2014
(Electronic) Receipt
Search/Exam
Dec 16, 2014
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2014
Letter concerning the inventor
Search/Exam
Dec 5, 2014
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Letter which had not been notified
Search/Exam
Oct 17, 2014
Communication to designated inventor
Search/Exam
Oct 17, 2014
Communication to designated inventor
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Oct 17, 2014
Communication to designated inventor
Search/Exam
Oct 1, 2014
Jul 22, 2014
Information regarding early processing
Search/Exam
Jul 9, 2014
(Electronic) Receipt
Search/Exam
Jul 9, 2014
Request for entry into the European phase
Search/Exam
Oct 9, 2013
Sep 19, 2013
Copy of the international search report
Search/Exam
Sep 19, 2013
Copy of the international search report
Search/Exam
Sep 19, 2013
Published international application - A1
Search/Exam
Aug 27, 2013
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Dec 28, 2012
Abstract
PCTISA
Dec 28, 2012
Claims
PCTISA
Dec 28, 2012
Description
PCTISA
Dec 28, 2012
Drawings
PCTISA