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The patent EP2917466 was granted to Petrowell on Jun 14, 2017. The application was originally filed on Oct 10, 2013 under application number EP13811598A. The patent is currently recorded with a legal status of "Revoked".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2006051250 |
| DESCRIPTION | WO2007125335 |
| INTERNATIONAL-SEARCH-REPORT | US2004226721 |
| INTERNATIONAL-SEARCH-REPORT | US2009218095 |
| INTERNATIONAL-SEARCH-REPORT | US2009218104 |
| INTERNATIONAL-SEARCH-REPORT | US2012067594 |
| OPPOSITION | CA2808468 |
| OPPOSITION | EP2636844 |
| OPPOSITION | GB2500044 |
| OPPOSITION | US2004226721 |
| OPPOSITION | US2004231852 |
| OPPOSITION | US2005090985 |
| OPPOSITION | US2009044937 |
| OPPOSITION | US2011284214 |
| OPPOSITION | US2014083689 |
| OPPOSITION | US4796699 |
| OPPOSITION | US5273112 |
| OPPOSITION | US5579283 |
| OPPOSITION | US5803167 |
| OPPOSITION | WO2009050517 |
| OPPOSITION | WO2014046841 |
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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Jul 14, 2020
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OPPO
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Description
OPPO
Jul 23, 2018
Description
OPPO
Jul 23, 2018
Description
OPPO
Jul 23, 2018
Description
OPPO
Jul 23, 2018
Description
OPPO
Jul 23, 2018
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Oct 24, 2017
Submission concerning representation
Search/Exam
Sep 19, 2017
Sep 7, 2017
Jun 15, 2017
May 18, 2017
Decision to grant a European patent
Search/Exam
May 10, 2017
May 8, 2017
May 8, 2017
May 8, 2017
Intention to grant (signatures)
Search/Exam
May 8, 2017
Text intended for grant (clean copy)
Search/Exam
May 8, 2017
May 4, 2017
Apr 27, 2017
(Electronic) Receipt
Search/Exam
Apr 27, 2017
Annexes in respect of a client data request
Search/Exam
Apr 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 27, 2017
Mar 27, 2017
Mar 21, 2017
(Electronic) Receipt
Search/Exam
Mar 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2017
Mar 20, 2017
Mar 13, 2017
(Electronic) Receipt
Search/Exam
Mar 13, 2017
Amended claims with annotations
Search/Exam
Mar 13, 2017
Claims
Search/Exam
Mar 13, 2017
French translation of claims
Search/Exam
Mar 13, 2017
German translation of the claims
Search/Exam
Mar 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2017
Jan 27, 2017
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Jan 27, 2017
Intention to grant (signatures)
Search/Exam
Jan 27, 2017
Text intended for grant (clean copy)
Search/Exam
Jan 27, 2017
Dec 23, 2016
Examination started
Search/Exam
Aug 19, 2015
Aug 18, 2015
(Electronic) Receipt
Search/Exam
Aug 18, 2015
Aug 18, 2015
Amended claims with annotations
Search/Exam
Aug 18, 2015
Aug 18, 2015
Amended description with annotations
Search/Exam
Aug 18, 2015
Amendments received before examination
Search/Exam
Aug 18, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2015
Jul 29, 2015
Communication to designated inventor
Search/Exam
May 14, 2015
(Electronic) Receipt
Search/Exam
May 14, 2015
Request for entry into the European phase
Search/Exam
May 6, 2015
Mar 11, 2015
Submission concerning representation
Search/Exam
Feb 27, 2015
Information on entry into European phase
Search/Exam
Jan 15, 2015
Jan 8, 2015
Copy of the international search report
Search/Exam
Jan 8, 2015
Nov 21, 2014
Nov 21, 2014
Nov 21, 2014
Nov 5, 2014
(Electronic) Receipt
PCTISA
May 13, 2014
May 13, 2014
Apr 24, 2014
Published international application - A2
Search/Exam
Nov 8, 2013
Abstract
PCTISA
Nov 8, 2013
Claims
PCTISA
Nov 8, 2013
Description
PCTISA
Nov 8, 2013
Drawings
PCTISA