Gas Turbine Blade Comprising Bended Leading And Trailing Edges

Patent No. EP2921648 (titled "Gas Turbine Blade Comprising Bended Leading And Trailing Edges") was filed by Alstom Technology on Feb 25, 2015. The application was issued on Dec 26, 2018.

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 ENERGY	Sep 25, 2019	-

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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Jun 4, 2024
Decision of the Board of Appeal
Jun 4, 2024
F3032 Notification(s) of the decision
Jun 4, 2024
F3032 Notification(s) of the decision
Apr 22, 2024
F3004 Communication of the Registry
Apr 22, 2024
F3004 Communication of the Registry
Apr 17, 2024
Authorisation
Apr 17, 2024
F3013 Oral Proceedings: Forwarding minutes
Apr 17, 2024
F3013 Oral Proceedings: Forwarding minutes
Apr 17, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 27, 2024
Refund of fees
Mar 22, 2024
Communication of amended entries concerning opponents
Mar 22, 2024
F3345 Forwarding of submissions to parties
Mar 21, 2024
F3345 Forwarding of submissions to parties
Mar 18, 2024
(Electronic) Receipt
Mar 18, 2024
(Electronic) Receipt
Mar 18, 2024
Letter accompanying subsequently filed items
Mar 18, 2024
Letter accompanying subsequently filed items
Mar 18, 2024
Letter dealing with oral proceedings during the appeal procedure
Mar 18, 2024
Withdrawal of an appeal
Mar 7, 2024
F3326 Communication with time limit (inter partes)
Mar 7, 2024
F3326 Communication with time limit (inter partes)
Mar 6, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 6, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 15, 2024
F3345 Forwarding of submissions to parties
Feb 9, 2024
(Electronic) Receipt
Feb 9, 2024
Letter accompanying subsequently filed items
Feb 9, 2024
Oral proceedings: reply to date proposed
Jan 25, 2024
F3022 Oral proceedings: change of board composition
Jan 25, 2024
F3022 Oral proceedings: change of board composition
Jan 22, 2024
F3303.16 Change of composition of the Board (T)
Dec 19, 2023
Communication of the registration of a transfer or change of name and/or address
Dec 19, 2023
F3345 Forwarding of submissions to parties
Dec 13, 2023
Annexes in respect of a client data request
Dec 13, 2023
Letter accompanying subsequently filed items
Dec 13, 2023
Submission concerning change of applicant's address
Sep 7, 2023
Communication of amended entries concerning the representative
Aug 31, 2023
Submission concerning change of applicant's representative
Jul 26, 2023
(Electronic) Receipt
Jul 26, 2023
Letter accompanying subsequently filed items
Jul 26, 2023
Letter accompanying subsequently filed items
Jul 26, 2023
Non-public annex
Jul 26, 2023
Non-public annex
Jul 26, 2023
Request for transfer of rights - opponent
Jul 21, 2023
(Electronic) Receipt
Jul 21, 2023
Letter accompanying subsequently filed items
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Miscellaneous requests concerning client data
Jul 21, 2023
Request for change of opponent's representative
May 4, 2023
Advice of delivery
Apr 25, 2023
F3011.1 Oral Proceedings: summons
Apr 25, 2023
F3011.1 Oral Proceedings: summons
Apr 20, 2023
F3010 Oral proceedings: order for summons
Apr 20, 2023
F3303.16 Change of composition of the Board (T)
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
Mar 8, 2022
Composition of the board (T)
Mar 7, 2022
F3345 Forwarding of submissions to parties
Feb 28, 2022
(Electronic) Receipt
Feb 28, 2022
Letter accompanying subsequently filed items
Feb 28, 2022
Reply to appeal
Feb 18, 2022
F3345 Forwarding of submissions to parties
Feb 11, 2022
(Electronic) Receipt
Feb 11, 2022
Letter accompanying subsequently filed items
Feb 11, 2022
Reply to appeal
Oct 18, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 18, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 1, 2021
(Electronic) Receipt
Oct 1, 2021
Amended claims with annotations
Oct 1, 2021
Auxiliary request during appeals procedure - 01
Oct 1, 2021
Auxiliary request during appeals procedure - 02
Oct 1, 2021
Description
Oct 1, 2021
Letter accompanying subsequently filed items
Oct 1, 2021
Statement of grounds of appeal
Sep 29, 2021
(Electronic) Receipt
Sep 29, 2021
Letter accompanying subsequently filed items
Sep 29, 2021
Statement of grounds of appeal
Aug 6, 2021
F3204 Communication of the file number to the parties
Aug 6, 2021
F3204 Communication of the file number to the parties
Aug 5, 2021
F3204 Communication of the file number to the parties
Aug 5, 2021
F3204 Communication of the file number to the parties
Jul 26, 2021
(Electronic) Receipt
Jul 26, 2021
Letter accompanying subsequently filed items
Jul 26, 2021
Notice of appeal
Jul 23, 2021
(Electronic) Receipt
Jul 23, 2021
Letter accompanying subsequently filed items
Jul 23, 2021
Notice of appeal
Jun 1, 2021
Advice of delivery
May 25, 2021
Decision of the Opposition Division and instruction
May 25, 2021
Provision of a copy of the minutes - opposition procedure
May 25, 2021
Transmittal of decision / summons - opposition
May 25, 2021
Transmittal of decision / summons - opposition
Apr 21, 2021
Information about the result of oral proceedings
Mar 4, 2021
Brief communication - Opposition proceedings
Feb 24, 2021
(Electronic) Receipt
Feb 24, 2021
Brief communication - Opposition proceedings
Feb 24, 2021
Letter accompanying subsequently filed items
Feb 24, 2021
Request for interpreters during oral proceedings
Feb 19, 2021
Brief communication - Opposition proceedings
Feb 17, 2021
(Electronic) Receipt
Feb 17, 2021
Letter accompanying subsequently filed items
Feb 17, 2021
Written submission in preparation to/during oral proceedings
Feb 16, 2021
(Electronic) Receipt
Feb 16, 2021
(Electronic) Receipt
Feb 16, 2021
(Electronic) Receipt
Feb 16, 2021
Letter accompanying subsequently filed items
Feb 16, 2021
Letter accompanying subsequently filed items
Feb 16, 2021
Letter accompanying subsequently filed items
Feb 16, 2021
Written submission in preparation to/during oral proceedings
Feb 4, 2021
Brief communication - Opposition proceedings
Jan 29, 2021
Authorisation
Jan 29, 2021
Written submission in preparation to/during oral proceedings
Jan 15, 2021
Notification concerning the date of oral proceedings
Jan 15, 2021
Notification concerning the date of oral proceedings
Sep 21, 2020
Advice of delivery
Aug 21, 2020
Communication about missing advice of delivery
Jul 23, 2020
Advice of delivery
Jul 16, 2020
Acknowledgement of a document
Jul 16, 2020
Acknowledgement of a document
Jul 16, 2020
Annex to the communication - opposition
Jul 16, 2020
Information concerning oral proceedings
Jul 16, 2020
Summons to attend oral proceedings
Jul 16, 2020
Summons to attend oral proceedings
Feb 21, 2020
Brief communication - Opposition proceedings
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
Auxiliary request during Opposition procedure - 01
Feb 17, 2020
Auxiliary request during Opposition procedure - 02
Feb 17, 2020
Auxiliary request during Opposition procedure - 03
Feb 17, 2020
Auxiliary request during Opposition procedure - 04
Feb 17, 2020
Auxiliary request during Opposition procedure - 05
Feb 17, 2020
Clean copy of description pages in the opposition procedure
Feb 17, 2020
Letter accompanying subsequently filed items
Feb 17, 2020
Main request during Opposition procedure
Feb 17, 2020
Reply of the patent proprietor to the notice(s) of opposition
Oct 11, 2019
Communication of a notice of opposition and request to file observations
Oct 11, 2019
Notice of further oppositions to opponent(s)
Oct 1, 2019
Communication of a notice of opposition - first information to patent proprietor
Sep 25, 2019
(Electronic) Receipt
Sep 25, 2019
Citation in opposition procedure - 001
Sep 25, 2019
Citation in opposition procedure - 002
Sep 25, 2019
Citation in opposition procedure - 003
Sep 25, 2019
Citation in opposition procedure - 004
Sep 25, 2019
Citation in opposition procedure - 005
Sep 25, 2019
Citation in opposition procedure - 006
Sep 25, 2019
Citation in opposition procedure - 007
Sep 25, 2019
Citation in opposition procedure - 008
Sep 25, 2019
Citation in opposition procedure - 009
Sep 25, 2019
Citation in opposition procedure - 010
Sep 25, 2019
Citation in opposition procedure - 011
Sep 25, 2019
Citation in opposition procedure - 012
Sep 25, 2019
Citation in opposition procedure - 013
Sep 25, 2019
Citation in opposition procedure - 014
Sep 25, 2019
Citation in opposition procedure - 015
Sep 25, 2019
Citation in opposition procedure - 016
Sep 25, 2019
Citation in opposition procedure - 017
Sep 25, 2019
Citation in opposition procedure - 018
Sep 25, 2019
Citation in opposition procedure - 019
Sep 25, 2019
Consolidated list of cited opposition documents
Sep 25, 2019
International publication (Pamphlet)
Sep 25, 2019
Notice of opposition
Sep 25, 2019
Notice of opposition
Sep 25, 2019
Patent document cited during the examination procedure
Jan 9, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 29, 2018
Decision to grant a European patent
Nov 13, 2018
(Electronic) Receipt
Nov 13, 2018
French translation of claims
Nov 13, 2018
German translation of the claims
Nov 13, 2018
Letter accompanying subsequently filed items
Jul 12, 2018
Bibliographic data of the European patent application
Jul 12, 2018
Communication about intention to grant a European patent
Jul 12, 2018
Intention to grant (signatures)
Jul 12, 2018
Text intended for grant (clean copy)
Jul 12, 2018
Text intended for grant (version for approval)
Jun 5, 2018
Examination started
Apr 26, 2017
Communication of the registration of a transfer or change of name and/or address
Apr 6, 2017
Authorisation
Apr 6, 2017
Authorisation
Feb 9, 2017
Payment of fees and costs
Feb 9, 2017
Submission concerning a transfer of rights (applicant)
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
Mar 22, 2016
(Electronic) Receipt
Mar 22, 2016
Amended description filed after receipt of (European) search report
Mar 22, 2016
Amendments received before examination
Mar 22, 2016
Letter accompanying subsequently filed items
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
Nov 11, 2015
Submission concerning representation
Nov 4, 2015
Refund of fees
Oct 13, 2015
Communication of amended entries concerning the representative
Oct 6, 2015
Submission concerning change of applicant's representative
Sep 28, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 28, 2015
Submission concerning change of applicant's representative
Aug 26, 2015
Notification of forthcoming publication
Jul 20, 2015
Communication regarding the transmission of the European search report
Jul 20, 2015
European search opinion
Jul 20, 2015
European search report
Jul 15, 2015
Priority search results copy provided by EPO
Jul 9, 2015
Search started
May 4, 2015
Confirmation of receipt of (electronically) transmitted priority document
Apr 27, 2015
Priority document (electronically transmitted)
Apr 24, 2015
Communication of amended entries concerning the representative
Apr 20, 2015
Communication to designated inventor
Apr 20, 2015
Communication to designated inventor
Apr 17, 2015
Submission concerning representation
Feb 25, 2015
Abstract
Feb 25, 2015
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Feb 25, 2015
Claims
Feb 25, 2015
Description
Feb 25, 2015
Designation of inventor
Feb 25, 2015
Drawings
Feb 25, 2015
General authorisation
Feb 25, 2015
Request for grant of a European patent

EP2921648

ALSTOM TECHNOLOGY

Application Number: EP15156480A
Filing Date: Feb 25, 2015
Status: Revoked; Jun 4, 2024
Publication Date: Dec 26, 2018
External Links: Slate, Register , Google Patents

IP Verse

Gas Turbine Blade Comprising Bended Leading And Trailing Edges

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2921648