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The patent EP2037100 was granted to IHI on Nov 15, 2017. The application was filed on Jun 21, 2006 under application number EP06767072A. 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 |
|---|---|---|---|
| BORGWARNER | Aug 14, 2018 | PETERREINS SCHLEY | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | JPS6241837U |
| OPPOSITION | US4256441 |
| OPPOSITION | US4358253 |
| SEARCH | JPS6241837U |
| SEARCH | US6190048 |
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.
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Decision to grant a European patent
Search/Exam
Sep 25, 2017
(Electronic) Receipt
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Sep 25, 2017
French translation of claims
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German translation of the claims
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Sep 25, 2017
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Jul 19, 2016
Communication from the Examining Division
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Jul 8, 2016
Examination started
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Feb 26, 2016
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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European search opinion
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Nov 12, 2012
Supplementary European search report
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Oct 18, 2012
General enquiry
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Jun 18, 2009
Final instructions (loss of partial rights)
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Matter concerning the application
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Matter concerning the application
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Mar 9, 2009
Submission concerning representation
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Notification of forthcoming publication
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Abstract
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Claims
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Description
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Request for entry into the European phase
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Jan 15, 2009
Letter concerning fees and payments
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Information on entry into European phase
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Dec 27, 2007
Copy of the international search report
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International publication pamphlet
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