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The patent EP2252404 was granted to Soane Energy on Dec 5, 2018. The application was filed on Feb 2, 2009 under application number EP09709653A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|
| EXAMINATION | US4569768 |
| EXAMINATION | US4906386 |
| INTERNATIONAL-SEARCH-REPORT | US2006151360 |
| INTERNATIONAL-SEARCH-REPORT | US2007085055 |
| INTERNATIONAL-SEARCH-REPORT | US5393435 |
| OPPOSITION | EP0069435 |
| OPPOSITION | US2006006116 |
| OPPOSITION | US3868318 |
| OPPOSITION | US5073272 |
| OPPOSITION | US5543056 |
| OPPOSITION | WO8800927 |
| SEARCH | US2004026657 |
| SEARCH | US5071587 |
| SEARCH | US6184302 |
| SEARCH | WO0071471 |
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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Jan 4, 2024
Refund of fees
Search/Exam
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Means of redress
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Dec 17, 2018
Nov 8, 2018
Decision to grant a European patent
Search/Exam
Oct 26, 2018
(Electronic) Receipt
Search/Exam
Oct 26, 2018
French translation of claims
Search/Exam
Oct 26, 2018
German translation of the claims
Search/Exam
Oct 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 4, 2018
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Intention to grant (signatures)
Search/Exam
Jul 4, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 4, 2018
Nov 16, 2017
(Electronic) Receipt
Search/Exam
Nov 16, 2017
Amended description with annotations
Search/Exam
Nov 16, 2017
Description
Search/Exam
Nov 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 16, 2017
Sep 29, 2017
Annex to the communication
Search/Exam
Sep 29, 2017
Communication from the Examining Division
Search/Exam
Sep 14, 2017
Submission concerning representation
Search/Exam
Dec 14, 2016
(Electronic) Receipt
Search/Exam
Dec 14, 2016
Amended claims with annotations
Search/Exam
Dec 14, 2016
Claims
Search/Exam
Dec 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 14, 2016
Oct 26, 2016
Oct 20, 2016
(Electronic) Receipt
Search/Exam
Oct 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 20, 2016
Jun 23, 2016
Annex to the communication
Search/Exam
Jun 23, 2016
Communication from the Examining Division
Search/Exam
Jun 17, 2016
Examination started
Search/Exam
Apr 26, 2016
Mar 30, 2016
(Electronic) Receipt
Search/Exam
Mar 30, 2016
Annexes in respect of a client data request
Search/Exam
Mar 30, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 30, 2016
Oct 29, 2015
Oct 22, 2015
(Electronic) Receipt
Search/Exam
Oct 22, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 22, 2015
Oct 14, 2015
Sep 24, 2015
Apr 14, 2014
(Electronic) Receipt
Search/Exam
Apr 14, 2014
Apr 14, 2014
Apr 14, 2014
Amendments received before examination
Search/Exam
Apr 14, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2013
Sep 24, 2013
Sep 24, 2013
European search opinion
Search/Exam
Sep 24, 2013
Supplementary European search report
Search/Exam
Jun 27, 2012
(Electronic) Receipt
Search/Exam
Jun 27, 2012
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2012
Apr 24, 2012
Annex to the communication
Search/Exam
Apr 24, 2012
Nov 16, 2010
Oct 27, 2010
Oct 22, 2010
Letter which had not been notified
Search/Exam
Sep 28, 2010
Sep 13, 2010
(Electronic) Receipt
Search/Exam
Sep 13, 2010
Annex
Search/Exam
Sep 13, 2010
Request for entry into the European phase
Search/Exam
Sep 13, 2010
Submission concerning representation
Search/Exam
Sep 1, 2010
Jun 25, 2010
Information on entry into European phase
Search/Exam
Sep 8, 2009
Sep 8, 2009
Sep 8, 2009
Sep 8, 2009
Aug 20, 2009
Copy of the international search report
Search/Exam
Aug 20, 2009
Published international application - A1
Search/Exam