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The patent EP2867012 was granted to Weidmann Holding on Jul 22, 2020. The application was filed on Jun 21, 2013 under application number EP13730274A. 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 |
|---|---|---|---|
| ZIMMERMANN & PARTNER PATENTANWALTE MBB | Jun 13, 2018 | ZIMMERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CH579812 |
| DESCRIPTION | DE19911579 |
| DESCRIPTION | DE2443398 |
| DESCRIPTION | DE3000418 |
| DESCRIPTION | EP1150313 |
| DESCRIPTION | WO2012003166 |
| INTERNATIONAL-SEARCH-REPORT | WO2012003166 |
| OPPOSITION | EP1150313 |
| OPPOSITION | US3710293 |
| OPPOSITION | WO2011056135 |
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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Description
OPPO
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Refund of fees
Appeal
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Appeal
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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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OPPO
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
Jun 23, 2017
English translation of the claims
Search/Exam
Jun 23, 2017
Filing of the translations of the claims
Search/Exam
Jun 23, 2017
French translation of claims
Search/Exam
Jun 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2017
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Submission concerning representation
Search/Exam
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Intention to grant (signatures)
Search/Exam
Feb 21, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 21, 2017
Dec 20, 2016
Examination started
Search/Exam
Jun 14, 2016
Payment of fees and costs
Search/Exam
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Payment of fees and costs
Search/Exam
Jul 16, 2015
Payment of fees and costs
Search/Exam
Jul 16, 2015
Payment of fees and costs
Search/Exam
Jul 9, 2015
(Electronic) Receipt
Search/Exam
Jul 9, 2015
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Amended claims with annotations
Search/Exam
Jul 9, 2015
Amendments received before examination
Search/Exam
Jul 9, 2015
Letter accompanying subsequently filed items
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Jun 11, 2015
Payment of fees and costs
Search/Exam
Jun 11, 2015
Payment of fees and costs
Search/Exam
Apr 9, 2015
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Letter which had not been notified
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Mar 16, 2015
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Communication to designated inventor
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Mar 5, 2015
Letter which had not been notified
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Feb 20, 2015
Letter concerning the inventor
Search/Exam
Feb 10, 2015
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Communication to designated inventor
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Communication to designated inventor
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Feb 3, 2015
Priority search results copy provided by EPO
Search/Exam
Jan 12, 2015
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(Electronic) Receipt
Search/Exam
Jan 6, 2015
Request for entry into the European phase
Search/Exam
Nov 7, 2014
Information on entry into European phase
Search/Exam
Jan 21, 2014
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Copy of the international search report
Search/Exam
Jan 3, 2014
Copy of the international search report
Search/Exam
Jan 3, 2014
Published international application - A1
Search/Exam
Jul 25, 2013
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Jun 21, 2013
(Electronic) Receipt
PCTRO
Jun 21, 2013
Abstract
PCTRO
Jun 21, 2013
Claims
PCTRO
Jun 21, 2013
Description
PCTRO
Jun 21, 2013
Drawings
PCTRO
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