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The patent EP2345831 was granted to E Hawle Armaturenwerke on Jul 8, 2020. The application was filed on Dec 31, 2010 under application number EP10016220A. 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 |
|---|---|---|---|
| AVK HOLDING | Jun 19, 2018 | PATENTGRUPPEN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0171693 |
| DESCRIPTION | EP1516138 |
| DESCRIPTION | US4629160 |
| OPPOSITION | DE2942091 |
| OPPOSITION | EP1521021 |
| OPPOSITION | EP2345831 |
| OPPOSITION | GB2042683 |
| OPPOSITION | US1360164 |
| OPPOSITION | US2006097215 |
| OPPOSITION | US2009184279 |
| OPPOSITION | US2192331 |
| OPPOSITION | US3662778 |
| SEARCH | EP1516138 |
| SEARCH | US3957245 |
| SEARCH | US4138091 |
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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Jun 12, 2020
Jun 12, 2020
Jun 5, 2020
May 27, 2020
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Apr 17, 2020
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Apr 8, 2020
Apr 7, 2020
Refund of fees
Search/Exam
Apr 3, 2020
Apr 3, 2020
Mar 5, 2020
Mar 5, 2020
Feb 27, 2020
Feb 19, 2020
(Electronic) Receipt
Appeal
Feb 19, 2020
Feb 19, 2020
Withdrawal of an appeal
Appeal
Feb 12, 2020
Feb 5, 2020
(Electronic) Receipt
Appeal
Feb 5, 2020
Feb 5, 2020
Notice of appeal
Appeal
Dec 2, 2019
Nov 28, 2019
Nov 25, 2019
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Means of redress
OPPO
Nov 25, 2019
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Claims
OPPO
Aug 19, 2019
Claims
OPPO
Aug 19, 2019
Claims
OPPO
Aug 19, 2019
Claims
OPPO
Aug 19, 2019
Claims
OPPO
Aug 19, 2019
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Dec 21, 2018
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Claims
OPPO
Nov 5, 2018
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OPPO
Nov 5, 2018
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OPPO
Nov 5, 2018
Claims
OPPO
Nov 5, 2018
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Jul 13, 2018
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Sep 20, 2017
Aug 24, 2017
Decision to grant a European patent
Search/Exam
Aug 3, 2017
(Electronic) Receipt
Search/Exam
Aug 3, 2017
English translation of the claims
Search/Exam
Aug 3, 2017
Filing of the translations of the claims
Search/Exam
Aug 3, 2017
French translation of claims
Search/Exam
Aug 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 28, 2017
Apr 28, 2017
Apr 28, 2017
Intention to grant (signatures)
Search/Exam
Apr 28, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 28, 2017
Jan 17, 2017
(Electronic) Receipt
Search/Exam
Jan 17, 2017
Amended claims with annotations
Search/Exam
Jan 17, 2017
Amended description with annotations
Search/Exam
Jan 17, 2017
Claims
Search/Exam
Jan 17, 2017
Description
Search/Exam
Jan 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2017
Modified abstract
Search/Exam
Jan 17, 2017
Dec 12, 2016
(Electronic) Receipt
Search/Exam
Dec 12, 2016
Letter concerning fees and payments
Search/Exam
Nov 28, 2016
Submission concerning representation
Search/Exam
Oct 5, 2016
Annex to the communication
Search/Exam
Oct 5, 2016
Communication from the Examining Division
Search/Exam
Sep 26, 2016
Examination started
Search/Exam
Feb 18, 2016
Feb 10, 2016
Dec 3, 2015
Payment of fees and costs
Search/Exam
Dec 3, 2015
Payment of fees and costs
Search/Exam
Dec 4, 2014
Payment of fees and costs
Search/Exam
Dec 4, 2014
Payment of fees and costs
Search/Exam
Nov 11, 2011
(Electronic) Receipt
Search/Exam
Nov 11, 2011
Nov 11, 2011
Amendments received before examination
Search/Exam
Nov 11, 2011
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2011
Jun 22, 2011
Notification of forthcoming publication
Search/Exam
May 20, 2011
May 20, 2011
European search opinion
Search/Exam
May 20, 2011
European search report
Search/Exam
Dec 31, 2010
Abstract
Search/Exam
Dec 31, 2010
Claims
Search/Exam
Dec 31, 2010
Description
Search/Exam
Dec 31, 2010
Designation of inventor
Search/Exam
Dec 31, 2010
Drawings
Search/Exam
Dec 31, 2010
General authorisation
Search/Exam
Dec 31, 2010
Priority document
Search/Exam
Dec 31, 2010
Request for grant of a European patent
Search/Exam