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Engine Combustion Chamber Structure And Method For Producing The Same

Patent No. EP2420658 (titled "Engine Combustion Chamber Structure And Method For Producing The Same") was filed by Toyota Jidosha Kabushiki Kaisha on Apr 14, 2010. The application was issued on May 20, 2015.

Patent Summary

Patent Family

Patent Oppositions

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
KS KOLBENSCHMIDT	Feb 22, 2016	GREIF

Dossier Documents

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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Apr 25, 2018
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Apr 25, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 20, 2018
Termination of the opposition proceedings with maintenance of patent
Jan 25, 2018
Advice of delivery
Jan 22, 2018
Advice of delivery
Jan 17, 2018
Advice of delivery
Jan 11, 2018
Acknowledgement of a document
Jan 11, 2018
Acknowledgement of a document
Jan 11, 2018
Annex to the communication - opposition
Jan 11, 2018
Decision of the Opposition Division and instruction
Jan 11, 2018
Decision rejecting the opposition
Jan 11, 2018
Grounds for the decision (Annex) - opposition
Jan 11, 2018
Internal form - Opposition/addressees
Jan 11, 2018
Internal form - Opposition/addressees
Jan 11, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 11, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 11, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 11, 2018
Provision of a copy of the minutes - opposition procedure
Dec 7, 2017
Information about the result of oral proceedings
Nov 13, 2017
Brief communication - Opposition proceedings
Nov 7, 2017
(Electronic) Receipt
Nov 7, 2017
Claims
Nov 7, 2017
Claims
Nov 7, 2017
Letter accompanying subsequently filed items
Nov 7, 2017
Written submission in preparation to/during oral proceedings
Oct 18, 2017
Brief communication - Opposition proceedings
Oct 12, 2017
(Electronic) Receipt
Oct 12, 2017
Letter accompanying subsequently filed items
Oct 12, 2017
Request for interpreters during oral proceedings
Jun 12, 2017
Communication of amended entries concerning the representative
Jun 7, 2017
Submission concerning change of applicant's representative
Jun 6, 2017
Submission concerning change of applicant's representative
Apr 7, 2017
Brief communication - Opposition proceedings
Mar 31, 2017
Request for interpreters during oral proceedings
Mar 29, 2017
Advice of delivery
Mar 23, 2017
Advice of delivery
Mar 14, 2017
Advice of delivery
Mar 13, 2017
Annex to the communication - opposition
Mar 13, 2017
Information concerning oral proceedings
Mar 13, 2017
Preparation for oral proceedings
Mar 13, 2017
Summons to attend oral proceedings
Mar 13, 2017
Summons to attend oral proceedings
Sep 28, 2016
Brief communication - Opposition proceedings
Sep 20, 2016
(Electronic) Receipt
Sep 20, 2016
Letter accompanying subsequently filed items
Sep 20, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jun 3, 2016
Brief communication - Opposition proceedings
Jun 3, 2016
Brief communication - Opposition proceedings
May 23, 2016
Brief communication - Opposition proceedings
May 23, 2016
Communication of a notice of opposition and request to file observations
May 23, 2016
Notice of further oppositions to opponent(s)
May 11, 2016
(Electronic) Receipt
May 11, 2016
Letter accompanying subsequently filed items
May 11, 2016
Letter regarding the opposition procedure (no time limit)
Mar 1, 2016
Communication of a notice of opposition - first information to patent proprietor
Feb 22, 2016
(Electronic) Receipt
Feb 22, 2016
Non-patent literature cited during the opposition procedure
Feb 22, 2016
Non-patent literature cited during the opposition procedure
Feb 22, 2016
Notice of opposition
Feb 22, 2016
Notice of opposition
Feb 22, 2016
Patent document cited during the opposition procedure
Feb 22, 2016
Patent document cited during the opposition procedure
May 21, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 23, 2015
Decision to grant a European patent
Mar 10, 2015
(Electronic) Receipt
Mar 10, 2015
Filing of the translations of the claims
Mar 10, 2015
French translation of claims
Mar 10, 2015
German translation of the claims
Mar 10, 2015
Letter accompanying subsequently filed items
Nov 20, 2014
Bibliographic data of the European patent application
Nov 20, 2014
Communication about intention to grant a European patent
Nov 20, 2014
Intention to grant (signatures)
Nov 20, 2014
Text intended for grant
Oct 2, 2014
Examination started
Feb 12, 2014
(Electronic) Receipt
Feb 12, 2014
Amended description filed after receipt of (European) search report
Feb 12, 2014
Amended description with annotations
Feb 12, 2014
Amendments received before examination
Feb 12, 2014
Letter accompanying subsequently filed items
Oct 25, 2013
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 9, 2013
Communication regarding the transmission of the European search report
Oct 9, 2013
European search opinion
Oct 9, 2013
Supplementary European search report
Sep 19, 2013
Search started
Jan 29, 2013
Communication of the registration of a transfer or change of name and/or address
Jan 18, 2013
Submission concerning change of applicant's name
Mar 12, 2012
Submission concerning representation
Jan 25, 2012
Notification of forthcoming publication
Dec 6, 2011
Communication regarding possible amendment of the application/payment of claims fee
Nov 22, 2011
Translation of the international preliminary examination report
Nov 14, 2011
(Electronic) Receipt
Nov 14, 2011
Abstract
Nov 14, 2011
Claims
Nov 14, 2011
Description
Nov 14, 2011
Drawings
Nov 14, 2011
Letter concerning fees and payments
Nov 14, 2011
Request for entry into the European phase
Nov 14, 2011
Translation of the annexes to the International Preliminary Examination Report
Oct 26, 2011
Annexes to the international preliminary examination report
Oct 26, 2011
Copy of the international preliminary examination report
Aug 26, 2011
Information on entry into European phase
Apr 20, 2011
Notification of election of EPO
Nov 9, 2010
Priority document (electronically transmitted)
Oct 21, 2010
Copy of the international search report
Oct 21, 2010
Copy of the translated international search report
Oct 21, 2010
International publication pamphlet

EP2420658

TOYOTA JIDOSHA KABUSHIKI KAISHA

Application Number: EP10764559A
Filing Date: Apr 14, 2010
Status: Opposition Rejected; Apr 27, 2018
Publication Date: May 20, 2015
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