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The patent EP2874874 was granted to Mason Electric on Oct 3, 2018. The application was filed on Jul 17, 2013 under application number EP13844973A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| BAE SYSTEMS | Jul 3, 2019 | CMS CAMERON MCKENNA NABARRO OLSWANG | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2009314884 |
| INTERNATIONAL-SEARCH-REPORT | US2010025539 |
| INTERNATIONAL-SEARCH-REPORT | US5125602 |
| OPPOSITION | EP0384806 |
| OPPOSITION | US2009314884 |
| OPPOSITION | US2010025539 |
| OPPOSITION | US2906143 |
| OPPOSITION | US5125602 |
| OPPOSITION | WO2007132267 |
| OPPOSITION | WO2008023198 |
| SEARCH | EP0384806 |
| SEARCH | US2010025539 |
| SEARCH | WO2007132267 |
| SEARCH | WO2008023198 |
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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OPPO
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Oct 15, 2018
Sep 6, 2018
Decision to grant a European patent
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Aug 24, 2018
(Electronic) Receipt
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Aug 24, 2018
French translation of claims
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Aug 24, 2018
German translation of the claims
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Aug 24, 2018
Letter accompanying subsequently filed items
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Apr 16, 2018
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Intention to grant (signatures)
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Apr 16, 2018
Text intended for grant (clean copy)
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Apr 16, 2018
Mar 19, 2018
Examination started
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May 19, 2017
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Amended claims with annotations
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Amended description with annotations
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May 19, 2017
Amendments received before examination
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European search opinion
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Feb 18, 2016
Information on Search Strategy
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Feb 18, 2016
Supplementary European search report
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Feb 3, 2016
Search started
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Apr 30, 2015
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Submission concerning representation
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Feb 20, 2015
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Feb 20, 2015
Communication to designated inventor
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Feb 20, 2015
Communication to designated inventor
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Feb 4, 2015
(Electronic) Receipt
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Feb 4, 2015
Feb 4, 2015
Request for entry into the European phase
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Feb 2, 2015
May 7, 2014
Apr 17, 2014
Copy of the international search report
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Apr 17, 2014
Apr 17, 2014
Published international application - A1
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