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Gas Turbine Component Having Thermal Barrier Coating And A Gas Turbine Using The Component

Patent No. EP2471974 (titled "Gas Turbine Component Having Thermal Barrier Coating And A Gas Turbine Using The Component") was filed by Hitachi on Dec 21, 2011. The application was issued on Feb 27, 2019.

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
SIEMENS	Oct 18, 2016	-

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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Jan 31, 2019
Decision to maintain the European patent in amended form
Jan 31, 2019
Decision to maintain the European patent in amended form
Jan 25, 2019
Termination of the opposition proceedings with maintenance of patent
Jan 16, 2019
(Electronic) Receipt
Jan 16, 2019
Filing of the translation of the amended claims
Jan 16, 2019
French translation of claims
Jan 16, 2019
German translation of the claims
Jan 16, 2019
Letter accompanying subsequently filed items
Oct 9, 2018
Communication of bibliographic data
Oct 9, 2018
Communication to opponent concerning maintenance
Oct 9, 2018
Communication with request to file translations
Sep 14, 2018
Maintenance of the patent with the documents specified in the final decision
Sep 11, 2018
Maintenance of the patent with the documents specified in the final decision
Jul 26, 2018
Advice of delivery
Jun 7, 2018
Advice of delivery
Jun 7, 2018
Advice of delivery
Jun 6, 2018
Advice of delivery
May 31, 2018
Acknowledgement of a document
May 31, 2018
Acknowledgement of a document
May 31, 2018
Annex to the communication - opposition
May 31, 2018
Decision of the Opposition Division and instruction
May 31, 2018
Druckexemplar in opposition procedure
May 31, 2018
Grounds for the decision (Annex) - opposition
May 31, 2018
Interlocutory decision in opposition proceedings
May 31, 2018
Internal form - Opposition/addressees
May 31, 2018
Internal form - Opposition/addressees
May 31, 2018
Means of redress
May 31, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 31, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 31, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 31, 2018
Provision of a copy of the minutes - opposition procedure
May 31, 2018
Scanned annex to a communication - opposition procedure
Apr 10, 2018
Information about the result of oral proceedings
Apr 6, 2018
Brief communication - Opposition proceedings
Apr 6, 2018
Brief communication - Opposition proceedings
Apr 6, 2018
Cover sheet for fax transmission
Apr 6, 2018
Letter regarding the opposition procedure (no time limit)
Feb 15, 2018
Brief communication - Opposition proceedings
Feb 9, 2018
(Electronic) Receipt
Feb 9, 2018
Amended claims with annotations
Feb 9, 2018
Amended claims with annotations
Feb 9, 2018
Claims
Feb 9, 2018
Claims
Feb 9, 2018
Letter accompanying subsequently filed items
Feb 9, 2018
Letter regarding the opposition procedure (no time limit)
Feb 7, 2018
Brief communication - Opposition proceedings
Feb 7, 2018
Brief communication - Opposition proceedings
Jan 30, 2018
Request for interpreters during oral proceedings
Nov 8, 2017
Communication of amended entries
Oct 18, 2017
(Electronic) Receipt
Oct 18, 2017
Letter accompanying subsequently filed items
Oct 18, 2017
Request for interpreters during oral proceedings
Oct 11, 2017
Advice of delivery
Oct 11, 2017
Advice of delivery
Oct 11, 2017
Advice of delivery
Oct 5, 2017
Acknowledgement of a document
Oct 5, 2017
Acknowledgement of a document
Oct 5, 2017
Annex to the communication - opposition
Oct 5, 2017
Information concerning oral proceedings
Oct 5, 2017
Preparation for oral proceedings
Oct 5, 2017
Summons to attend oral proceedings
Oct 5, 2017
Summons to attend oral proceedings
Jul 24, 2017
Request for a change of address - opponent
Jun 8, 2017
Brief communication - Opposition proceedings
Jun 1, 2017
(Electronic) Receipt
Jun 1, 2017
Letter accompanying subsequently filed items
Jun 1, 2017
Reply of the patent proprietor to the notice(s) of opposition
Feb 1, 2017
Communication of a notice of opposition and request to file observations
Feb 1, 2017
Notice of further oppositions to opponent(s)
Oct 25, 2016
Communication of a notice of opposition - first information to patent proprietor
Oct 18, 2016
(Electronic) Receipt
Oct 18, 2016
Non-patent literature cited during the opposition procedure
Oct 18, 2016
Notice of opposition
Oct 18, 2016
Notice of opposition
Oct 18, 2016
Patent document cited during the opposition procedure
Oct 18, 2016
Patent document cited during the opposition procedure
Oct 18, 2016
Patent document cited during the opposition procedure
Oct 18, 2016
Patent document cited during the opposition procedure
Oct 18, 2016
Patent document cited during the opposition procedure
Oct 18, 2016
Patent document cited during the opposition procedure
Oct 18, 2016
Patent document cited during the opposition procedure
Oct 18, 2016
Patent document cited during the opposition procedure
Mar 17, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 18, 2016
Decision to grant a European patent
Dec 4, 2015
Communication regarding the forthcoming grant
Nov 26, 2015
(Electronic) Receipt
Nov 26, 2015
Filing of the translations of the claims
Nov 26, 2015
French translation of claims
Nov 26, 2015
German translation of the claims
Nov 26, 2015
Letter accompanying subsequently filed items
Jul 17, 2015
Bibliographic data of the European patent application
Jul 17, 2015
Communication about intention to grant a European patent
Jul 17, 2015
Intention to grant (signatures)
Jul 17, 2015
Text intended for grant (clean copy)
Jul 17, 2015
Text intended for grant (version for approval)
Jun 19, 2015
Examination started
Mar 17, 2015
Communication of the registration of a transfer or change of name and/or address
Mar 11, 2015
Submission concerning a transfer of rights (applicant)
Jan 22, 2015
Response to enquiry for communication from the Examining Division
Jan 16, 2015
Enquiry as to when a communication from the Examining Division can be expected
Jan 2, 2015
Submission concerning representation
Aug 22, 2014
Communication of the registration of a transfer or change of name and/or address
Aug 11, 2014
Payment of fees and costs
Aug 11, 2014
Submission concerning a transfer of rights (applicant)
Dec 19, 2012
Amended claims filed after receipt of (European) search report
Dec 19, 2012
Amended claims with annotations
Dec 19, 2012
Amendments received before examination
Jul 9, 2012
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 6, 2012
Notification of forthcoming publication
Apr 4, 2012
Communication regarding the transmission of the European search report
Apr 4, 2012
European search opinion
Apr 4, 2012
European search report
Feb 23, 2012
Priority document (electronically transmitted)
Dec 21, 2011
Abstract
Dec 21, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Dec 21, 2011
Claims
Dec 21, 2011
Description
Dec 21, 2011
Designation of inventor
Dec 21, 2011
Designation of inventor
Dec 21, 2011
Designation of inventor
Dec 21, 2011
Designation of inventor
Dec 21, 2011
Designation of inventor
Dec 21, 2011
Drawings
Dec 21, 2011
Request for grant of a European patent

EP2471974

HITACHI

Application Number: EP11195047A
Filing Date: Dec 21, 2011
Status: Patent Maintained As Amended; Jan 25, 2019
Publication Date: Feb 27, 2019
External Links: Slate, Register , Google Patents