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Cooling System For Gas Turbine Blades Comprising A Compressor Positioned Aft Of The Turbine Stage In Flow Direction

Patent No. EP2568115 (titled "Cooling System For Gas Turbine Blades Comprising A Compressor Positioned Aft Of The Turbine Stage In Flow Direction") was filed by Alstom Technology on Sep 4, 2012. The application was issued on Nov 27, 2024.

Patent Summary

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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	Jul 20, 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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Oct 31, 2024
Decision to maintain the European patent in amended form
Oct 31, 2024
Decision to maintain the European patent in amended form
Oct 22, 2024
(Electronic) Receipt
Oct 22, 2024
Filing of the translation of the amended claims
Oct 22, 2024
French translation of claims
Oct 22, 2024
Letter accompanying subsequently filed items
Oct 16, 2024
(Electronic) Receipt
Oct 16, 2024
Claims
Oct 16, 2024
Filing of the translation of the amended claims
Oct 16, 2024
French translation of claims
Oct 16, 2024
German translation of the claims
Jul 25, 2024
Communication of bibliographic data
Jul 25, 2024
Communication to opponent concerning maintenance
Jul 25, 2024
Communication with request to file translations
Jul 9, 2024
Maintenance of the patent with the documents specified in the final decision
Apr 8, 2024
Brief communication - Opposition proceedings
Apr 8, 2024
Brief communication - Opposition proceedings
Apr 8, 2024
Grounds for the decision (Annex) - opposition
Apr 8, 2024
Interlocutory decision in opposition proceedings
Apr 8, 2024
Interlocutory decision in opposition proceedings
Apr 8, 2024
Means of redress
Apr 8, 2024
OPPODREX with handwritten amendments
Apr 4, 2024
Decision of the Opposition Division and instruction
Sep 7, 2023
Communication of amended entries concerning the representative
Aug 31, 2023
Submission concerning change of applicant's representative
Jul 26, 2023
Brief communication - Opposition proceedings
Jul 26, 2023
Brief communication - Opposition proceedings
Jul 26, 2023
Communication inviting the parties to file observations
Jul 26, 2023
Communication inviting the parties to file observations
May 31, 2023
Brief communication - Opposition proceedings
May 23, 2023
(Electronic) Receipt
May 23, 2023
Amended description with annotations
May 23, 2023
Description
May 23, 2023
Letter accompanying subsequently filed items
May 23, 2023
Reply to an examination report in opposition proceedings
Jan 23, 2023
Annex to the communication - opposition
Jan 23, 2023
Brief communication - Opposition proceedings
Jan 23, 2023
Brief communication - Opposition proceedings
Jan 23, 2023
Communication inviting the parties to file observations
Jan 23, 2023
Communication inviting the parties to file observations
Nov 22, 2022
Annexes in respect of a client data request
Nov 22, 2022
Annexes in respect of a client data request
Nov 22, 2022
Submission concerning representation
Nov 22, 2022
Submission concerning representation
Nov 18, 2022
Advice of delivery
Nov 11, 2022
Decision of the Board of Appeal
Nov 11, 2022
F3032 Notification(s) of the decision
Nov 11, 2022
F3032 Notification(s) of the decision
Oct 24, 2022
Amended claims with annotations
Oct 24, 2022
F3013 Oral Proceedings: Forwarding minutes
Oct 24, 2022
F3013 Oral Proceedings: Forwarding minutes
Oct 24, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Aug 23, 2022
F3345 Forwarding of submissions to parties
Aug 18, 2022
(Electronic) Receipt
Aug 18, 2022
Letter accompanying subsequently filed items
Aug 18, 2022
Letter dealing with oral proceedings during the appeal procedure
Jul 26, 2022
F3345 Forwarding of submissions to parties
Jul 20, 2022
(Electronic) Receipt
Jul 20, 2022
Letter accompanying subsequently filed items
Jul 20, 2022
Letter dealing with oral proceedings during the appeal procedure
Jun 10, 2022
F3345 Forwarding of submissions to parties
Jun 3, 2022
(Electronic) Receipt
Jun 3, 2022
Letter accompanying subsequently filed items
Jun 3, 2022
Letter relating to Appeal Procedure
Mar 21, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 21, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 4, 2021
Advice of delivery
May 28, 2021
Advice of delivery
May 21, 2021
F3011.1 Oral Proceedings: summons
May 21, 2021
F3011.1 Oral Proceedings: summons
May 18, 2021
F3010 Oral proceedings: order for summons
Nov 27, 2018
Composition of the board (T)
Nov 26, 2018
F3345 Forwarding of submissions to parties
Nov 21, 2018
(Electronic) Receipt
Nov 21, 2018
Letter accompanying subsequently filed items
Nov 21, 2018
Reply to appeal
Nov 14, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 9, 2018
(Electronic) Receipt
Nov 9, 2018
Amended claims with annotations
Nov 9, 2018
Letter accompanying subsequently filed items
Nov 9, 2018
Statement of grounds of appeal
Sep 20, 2018
F3204 Communication of the file number to the parties
Sep 14, 2018
Processing of an appeal
Sep 12, 2018
(Electronic) Receipt
Sep 12, 2018
Letter accompanying subsequently filed items
Sep 12, 2018
Notice of appeal
Jul 27, 2018
Advice of delivery
Jul 12, 2018
Advice of delivery
Jul 9, 2018
Advice of delivery
Jul 5, 2018
Advice of delivery
Jul 2, 2018
Acknowledgement of a document
Jul 2, 2018
Acknowledgement of a document
Jul 2, 2018
Annex to the communication - opposition
Jul 2, 2018
Decision of the Opposition Division and instruction
Jul 2, 2018
Druckexemplar in opposition procedure
Jul 2, 2018
Grounds for the decision (Annex) - opposition
Jul 2, 2018
Interlocutory decision in opposition proceedings
Jul 2, 2018
Internal form - Opposition/addressees
Jul 2, 2018
Internal form - Opposition/addressees
Jul 2, 2018
Means of redress
Jul 2, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 2, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 2, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 2, 2018
Provision of a copy of the minutes - opposition procedure
Jul 2, 2018
Scanned annex to a communication - opposition procedure
Jul 2, 2018
Scanned annex to a communication - opposition procedure
May 16, 2018
Information about the result of oral proceedings
May 14, 2018
Brief communication - Opposition proceedings
May 8, 2018
(Electronic) Receipt
May 8, 2018
Brief communication - Opposition proceedings
May 8, 2018
Letter accompanying subsequently filed items
May 8, 2018
Letter regarding the opposition procedure (no time limit)
Mar 22, 2018
Brief communication - Opposition proceedings
Mar 16, 2018
(Electronic) Receipt
Mar 16, 2018
Brief communication - Opposition proceedings
Mar 16, 2018
Letter accompanying subsequently filed items
Mar 16, 2018
Letter regarding the opposition procedure (no time limit)
Mar 12, 2018
(Electronic) Receipt
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Authorisation
Mar 12, 2018
Claims
Mar 12, 2018
Claims
Mar 12, 2018
Claims
Mar 12, 2018
Letter accompanying subsequently filed items
Mar 12, 2018
Letter dealing with oral proceedings
Jan 15, 2018
Brief communication - Opposition proceedings
Jan 9, 2018
Letter accompanying subsequently filed items
Jan 9, 2018
Request for interpreters during oral proceedings
Jul 24, 2017
Request for a change of address - opponent
Jun 22, 2017
Advice of delivery
Jun 19, 2017
Advice of delivery
Jun 2, 2017
Advice of delivery
Jun 1, 2017
Advice of delivery
May 31, 2017
Acknowledgement of a document
May 31, 2017
Acknowledgement of a document
May 31, 2017
Annex to the communication - opposition
May 31, 2017
Information concerning oral proceedings
May 31, 2017
Preparation for oral proceedings
May 31, 2017
Summons to attend oral proceedings
May 31, 2017
Summons to attend oral proceedings
Apr 24, 2017
Communication of the registration of a transfer or change of name and/or address
Apr 6, 2017
Authorisation
Apr 6, 2017
Authorisation
Apr 6, 2017
Letter accompanying subsequently filed items
Mar 8, 2017
Payment of fees and costs
Mar 8, 2017
Payment of fees and costs
Mar 8, 2017
Submission concerning a transfer of rights (applicant)
Dec 5, 2016
Brief communication - Opposition proceedings
Nov 30, 2016
(Electronic) Receipt
Nov 30, 2016
Letter accompanying subsequently filed items
Nov 30, 2016
Letter regarding the opposition procedure (no time limit)
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 18, 2016
Brief communication - Opposition proceedings
Nov 14, 2016
(Electronic) Receipt
Nov 14, 2016
Amended claims with annotations
Nov 14, 2016
Amended claims with annotations
Nov 14, 2016
Amended claims with annotations
Nov 14, 2016
Claims
Nov 14, 2016
Claims
Nov 14, 2016
Claims
Nov 14, 2016
Letter accompanying subsequently filed items
Nov 14, 2016
Reply of the patent proprietor to the notice(s) of opposition
Oct 25, 2016
Communication of a notice of opposition and request to file observations
Oct 25, 2016
Notice of further oppositions to opponent(s)
Jul 27, 2016
Communication of a notice of opposition - first information to patent proprietor
Jul 20, 2016
(Electronic) Receipt
Jul 20, 2016
Non-patent literature cited during the opposition procedure
Jul 20, 2016
Notice of opposition
Jul 20, 2016
Notice of opposition
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 20, 2016
Patent document cited during the opposition procedure
Jul 19, 2016
Communication of the registration of a transfer or change of name and/or address
Jul 19, 2016
Submission concerning change of applicant's name
Jul 11, 2016
Submission concerning change of applicant's name
Feb 11, 2016
Communication of amended entries concerning the representative
Feb 8, 2016
Submission concerning change of applicant's representative
Feb 2, 2016
Submission concerning change of applicant's representative
Dec 17, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 19, 2015
Decision to grant a European patent
Nov 11, 2015
Submission concerning representation
Oct 21, 2015
(Electronic) Receipt
Oct 21, 2015
Filing of the translations of the claims
Oct 21, 2015
French translation of claims
Oct 21, 2015
German translation of the claims
Oct 13, 2015
Communication of amended entries concerning the representative
Oct 6, 2015
Submission concerning change of applicant's representative
Sep 28, 2015
Submission concerning change of applicant's representative
Aug 4, 2015
Bibliographic data of the European patent application
Aug 4, 2015
Communication about intention to grant a European patent
Aug 4, 2015
Intention to grant (signatures)
Aug 4, 2015
Text intended for grant
Jul 16, 2015
Examination started
Apr 24, 2015
Communication of amended entries concerning the representative
Apr 17, 2015
Submission concerning representation
Sep 17, 2013
Amended claims filed after receipt of (European) search report
Sep 17, 2013
Amended claims with annotations
Sep 17, 2013
Amended description filed after receipt of (European) search report
Sep 17, 2013
Amended description with annotations
Sep 17, 2013
Amendments received before examination
Sep 12, 2013
Amended claims filed after receipt of (European) search report
Sep 12, 2013
Amended description filed after receipt of (European) search report
Sep 12, 2013
Amendments received before examination
Mar 18, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Feb 13, 2013
Notification of forthcoming publication
Jan 30, 2013
Refund of fees
Jan 4, 2013
Communication regarding the transmission of the European search report
Jan 4, 2013
European search opinion
Jan 4, 2013
European search report
Oct 31, 2012
Communication to designated inventor
Oct 31, 2012
Communication to designated inventor
Oct 31, 2012
Communication to designated inventor
Oct 31, 2012
Communication to designated inventor
Sep 12, 2012
Priority search results copy provided by EPO
Sep 11, 2012
Letter concerning the priority
Sep 11, 2012
Priority document
Sep 4, 2012
Abstract
Sep 4, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Sep 4, 2012
Claims
Sep 4, 2012
Description
Sep 4, 2012
Description
Sep 4, 2012
Designation of inventor
Sep 4, 2012
Designation of inventor
Sep 4, 2012
Designation of inventor
Sep 4, 2012
Designation of inventor
Sep 4, 2012
Drawings
Sep 4, 2012
General authorisation
Sep 4, 2012
Request for grant of a European patent

EP2568115

ALSTOM TECHNOLOGY

Application Number: EP12182870A
Filing Date: Sep 4, 2012
Status: Patent Maintained As Amended; Oct 25, 2024
Publication Date: Nov 27, 2024
External Links: Slate, Register , Google Patents