IP Verse

Gas Turbine Engine Architecture With Low Pressure Compressor Hub Between High And Low Rotor Thrust Bearings

Patent No. EP2597292 (titled "Gas Turbine Engine Architecture With Low Pressure Compressor Hub Between High And Low Rotor Thrust Bearings") was filed by Raytheon on Nov 15, 2012. The application was issued on Mar 19, 2025.

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
SAFRAN AIRCRAFT ENGINES	May 11, 2021	REGIMBEAU

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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Feb 20, 2025
Decision to maintain the European patent in amended form
Feb 20, 2025
Decision to maintain the European patent in amended form
Feb 11, 2025
(Electronic) Receipt
Feb 11, 2025
Filing of the translation of the amended claims
Feb 11, 2025
French translation of claims
Feb 11, 2025
German translation of the claims
Feb 11, 2025
Letter accompanying subsequently filed items
Nov 14, 2024
Communication of bibliographic data
Nov 14, 2024
Communication to opponent concerning maintenance
Nov 14, 2024
Communication with request to file translations
Nov 5, 2024
Maintenance of the patent with the documents specified in the final decision
Oct 28, 2024
Decision of the Board of Appeal
Oct 28, 2024
F3032 Notification(s) of the decision
Oct 28, 2024
F3032 Notification(s) of the decision
Oct 21, 2024
Refund of fees
Oct 11, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 11, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 11, 2024
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Jun 4, 2024
F3018 Oral proceedings: Confirmation interpreters
Jun 4, 2024
F3018 Oral proceedings: Confirmation interpreters
Apr 23, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 23, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 22, 2024
F3022 Oral proceedings: change of board composition
Apr 22, 2024
F3022 Oral proceedings: change of board composition
Apr 17, 2024
F3303.16 Change of composition of the Board (T)
Feb 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 9, 2024
F3345 Forwarding of submissions to parties
Jan 23, 2024
(Electronic) Receipt
Jan 23, 2024
Annexes (other than cited documents) regarding appeal procedure
Jan 23, 2024
Oral proceedings: Request for postponement
Jan 23, 2024
Written submission in preparation to/during oral proceedings
Jan 16, 2024
F3345 Forwarding of submissions to parties
Jan 11, 2024
(Electronic) Receipt
Jan 11, 2024
Letter relating to Appeal Procedure
Jan 11, 2024
Written submission in preparation to/during oral proceedings
Jan 9, 2024
F3345 Forwarding of submissions to parties
Jan 4, 2024
(Electronic) Receipt
Jan 4, 2024
Letter accompanying subsequently filed items
Nov 10, 2023
F3345 Forwarding of submissions to parties
Nov 9, 2023
F3345 Forwarding of submissions to parties
Nov 7, 2023
(Electronic) Receipt
Nov 7, 2023
Letter relating to Appeal Procedure
Nov 7, 2023
Written submission in preparation to/during oral proceedings
Nov 3, 2023
(Electronic) Receipt
Nov 3, 2023
Letter accompanying subsequently filed items
Nov 3, 2023
Letter relating to Appeal Procedure
Oct 27, 2023
Advice of delivery
Oct 25, 2023
F3011.1 Oral Proceedings: summons
Oct 25, 2023
F3011.1 Oral Proceedings: summons
Oct 25, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 25, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 20, 2023
F3010 Oral proceedings: order for summons
Oct 6, 2023
Composition of the board (T)
Oct 4, 2023
Communication of the registration of a transfer or change of name and/or address
Sep 27, 2023
Annexes in respect of a client data request
Sep 27, 2023
Letter accompanying subsequently filed items
Sep 27, 2023
Submission concerning change of applicant's name
Aug 10, 2023
F3345 Forwarding of submissions to parties
Jul 26, 2023
(Electronic) Receipt
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Amended claims with annotations
Jul 26, 2023
Auxiliary request during appeals procedure - 01
Jul 26, 2023
Auxiliary request during appeals procedure - 02
Jul 26, 2023
Auxiliary request during appeals procedure - 03
Jul 26, 2023
Auxiliary request during appeals procedure - 04
Jul 26, 2023
Auxiliary request during appeals procedure - 05
Jul 26, 2023
Auxiliary request during appeals procedure - 06
Jul 26, 2023
Auxiliary request during appeals procedure - 07
Jul 26, 2023
Auxiliary request during appeals procedure - 08
Jul 26, 2023
Auxiliary request during appeals procedure - 09
Jul 26, 2023
Auxiliary request during appeals procedure - 10
Jul 26, 2023
Auxiliary request during appeals procedure - 11
Jul 26, 2023
Letter accompanying subsequently filed items
Jul 26, 2023
Main request during appeals procedure
Jul 26, 2023
Reply to appeal
Jul 18, 2023
F3345 Forwarding of submissions to parties
Jul 13, 2023
(Electronic) Receipt
Jul 13, 2023
Letter accompanying subsequently filed items
Jul 13, 2023
Reply to appeal
Mar 16, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 16, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 13, 2023
(Electronic) Receipt
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Amended claims with annotations
Mar 13, 2023
Auxiliary request during appeals procedure - 01
Mar 13, 2023
Auxiliary request during appeals procedure - 02
Mar 13, 2023
Auxiliary request during appeals procedure - 03
Mar 13, 2023
Auxiliary request during appeals procedure - 04
Mar 13, 2023
Auxiliary request during appeals procedure - 05
Mar 13, 2023
Auxiliary request during appeals procedure - 06
Mar 13, 2023
Auxiliary request during appeals procedure - 07
Mar 13, 2023
Auxiliary request during appeals procedure - 08
Mar 13, 2023
Auxiliary request during appeals procedure - 09
Mar 13, 2023
Auxiliary request during appeals procedure - 10
Mar 13, 2023
Letter accompanying subsequently filed items
Mar 13, 2023
Main request during appeals procedure
Mar 13, 2023
Statement of grounds of appeal
Feb 24, 2023
(Electronic) Receipt
Feb 24, 2023
Letter regarding the opposition procedure (no time limit)
Feb 24, 2023
Statement of grounds of appeal
Jan 17, 2023
F3204 Communication of the file number to the parties
Jan 17, 2023
F3204 Communication of the file number to the parties
Jan 12, 2023
(Electronic) Receipt
Jan 12, 2023
F3204 Communication of the file number to the parties
Jan 12, 2023
F3204 Communication of the file number to the parties
Jan 12, 2023
Letter accompanying subsequently filed items
Jan 12, 2023
Notice of appeal
Jan 6, 2023
(Electronic) Receipt
Jan 6, 2023
Letter accompanying subsequently filed items
Jan 6, 2023
Notice of appeal
Nov 8, 2022
(Electronic) Receipt
Nov 8, 2022
Advice of delivery
Nov 8, 2022
Letter accompanying subsequently filed items
Nov 4, 2022
Advice of delivery
Nov 2, 2022
Annex to the communication - opposition
Nov 2, 2022
Decision of the Opposition Division and instruction
Nov 2, 2022
Druckexemplar in opposition procedure
Nov 2, 2022
Grounds for the decision (Annex) - opposition
Nov 2, 2022
Interlocutory decision in opposition proceedings
Nov 2, 2022
Interlocutory decision in opposition proceedings
Nov 2, 2022
Means of redress
Nov 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 2, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 2, 2022
Provision of a copy of the minutes - opposition procedure
Nov 2, 2022
Provision of a copy of the minutes - opposition procedure
Nov 2, 2022
Transmittal of decision / summons - opposition
Nov 2, 2022
Transmittal of decision / summons - opposition
Sep 9, 2022
Information about the result of oral proceedings
Jul 28, 2022
Brief communication - Opposition proceedings
Jul 21, 2022
(Electronic) Receipt
Jul 21, 2022
Letter accompanying subsequently filed items
Jul 21, 2022
Written submission in preparation to/during oral proceedings
Jul 15, 2022
Brief communication - Opposition proceedings
Jul 14, 2022
Brief communication - Opposition proceedings
Jul 11, 2022
Brief communication - Opposition proceedings
Jul 7, 2022
(Electronic) Receipt
Jul 7, 2022
(Electronic) Receipt
Jul 7, 2022
Citation in opposition procedure - 014
Jul 7, 2022
Citation in opposition procedure - 015
Jul 7, 2022
Consolidated list of cited opposition documents
Jul 7, 2022
Letter accompanying subsequently filed items
Jul 7, 2022
Letter accompanying subsequently filed items
Jul 7, 2022
Written submission in preparation to/during oral proceedings
Jul 7, 2022
Written submission in preparation to/during oral proceedings
May 11, 2022
Brief communication - Opposition proceedings
May 9, 2022
Brief communication - Opposition proceedings
May 3, 2022
(Electronic) Receipt
May 3, 2022
Letter accompanying subsequently filed items
May 3, 2022
Request for interpreters during oral proceedings
Apr 29, 2022
(Electronic) Receipt
Apr 29, 2022
Letter accompanying subsequently filed items
Apr 29, 2022
Request for interpreters during oral proceedings
Apr 21, 2022
Notification concerning the date of oral proceedings
Apr 21, 2022
Notification concerning the date of oral proceedings
Mar 15, 2022
(Electronic) Receipt
Mar 15, 2022
Advice of delivery
Mar 15, 2022
Letter accompanying subsequently filed items
Mar 1, 2022
Annex to the communication - opposition
Mar 1, 2022
Information concerning oral proceedings
Mar 1, 2022
Summons to attend oral proceedings
Mar 1, 2022
Summons to attend oral proceedings
Mar 1, 2022
Transmittal of decision / summons - opposition
Mar 1, 2022
Transmittal of decision / summons - opposition
Jan 11, 2022
Brief communication - Opposition proceedings
Dec 28, 2021
(Electronic) Receipt
Dec 28, 2021
Citation in opposition procedure - 013
Dec 28, 2021
Letter accompanying subsequently filed items
Dec 28, 2021
Reply from the opponent to submission of proprietor
Nov 11, 2021
Brief communication - Opposition proceedings
Nov 3, 2021
(Electronic) Receipt
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure - 01
Nov 3, 2021
Auxiliary request during Opposition procedure - 02
Nov 3, 2021
Auxiliary request during Opposition procedure - 03
Nov 3, 2021
Auxiliary request during Opposition procedure - 04
Nov 3, 2021
Auxiliary request during Opposition procedure - 05
Nov 3, 2021
Auxiliary request during Opposition procedure - 06
Nov 3, 2021
Auxiliary request during Opposition procedure - 07
Nov 3, 2021
Auxiliary request during Opposition procedure - 08
Nov 3, 2021
Auxiliary request during Opposition procedure - 09
Nov 3, 2021
Auxiliary request during Opposition procedure - 10
Nov 3, 2021
Auxiliary request during Opposition procedure - 11
Nov 3, 2021
Auxiliary request during Opposition procedure - 12
Nov 3, 2021
Auxiliary request during Opposition procedure - 13
Nov 3, 2021
Auxiliary request during Opposition procedure - 14
Nov 3, 2021
Auxiliary request during Opposition procedure - 15
Nov 3, 2021
Auxiliary request during Opposition procedure - 16
Nov 3, 2021
Letter accompanying subsequently filed items
Nov 3, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jun 23, 2021
Communication of a notice of opposition and request to file observations
Jun 23, 2021
Notice of further oppositions to opponent(s)
May 18, 2021
Communication of a notice of opposition - first information to patent proprietor
May 11, 2021
(Electronic) Receipt
May 11, 2021
Citation in opposition procedure - 001
May 11, 2021
Citation in opposition procedure - 002
May 11, 2021
Citation in opposition procedure - 003
May 11, 2021
Citation in opposition procedure - 004
May 11, 2021
Citation in opposition procedure - 005
May 11, 2021
Citation in opposition procedure - 006
May 11, 2021
Citation in opposition procedure - 007
May 11, 2021
Citation in opposition procedure - 008
May 11, 2021
Citation in opposition procedure - 009
May 11, 2021
Citation in opposition procedure - 010
May 11, 2021
Citation in opposition procedure - 011
May 11, 2021
Citation in opposition procedure - 012
May 11, 2021
Notice of opposition
May 11, 2021
Notice of opposition
Sep 21, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 16, 2020
Communication concerning a request to change bibliographic data after the decision to grant/decision to maintain the patent in a
Sep 14, 2020
Communication of the registration of a transfer or change of name and/or address
Sep 8, 2020
(Electronic) Receipt
Sep 8, 2020
Annexes in respect of a client data request
Sep 8, 2020
Submission concerning change of applicant's name
Aug 13, 2020
Decision to grant a European patent
Jul 31, 2020
(Electronic) Receipt
Jul 31, 2020
Filing of the translations of the claims
Jul 31, 2020
French translation of claims
Jul 31, 2020
German translation of the claims
Jul 31, 2020
Letter accompanying subsequently filed items
Mar 26, 2020
Bibliographic data of the European patent application
Mar 26, 2020
Communication about intention to grant a European patent
Mar 26, 2020
Intention to grant (signatures)
Mar 26, 2020
Text intended for grant (clean copy)
Mar 26, 2020
Text intended for grant (version for approval)
Jan 14, 2020
(Electronic) Receipt
Jan 14, 2020
Amended claims with annotations
Jan 14, 2020
Amended description with annotations
Jan 14, 2020
Claims
Jan 14, 2020
Description
Jan 14, 2020
Letter accompanying subsequently filed items
Jan 14, 2020
Reply to communication from the Examining Division
Nov 21, 2019
Grant of extension of time limit (examination procedure)
Nov 14, 2019
(Electronic) Receipt
Nov 14, 2019
Letter accompanying subsequently filed items
Jul 4, 2019
Annex to the communication
Jul 4, 2019
Communication from the Examining Division
Apr 25, 2019
Decision to allow further processing
Apr 12, 2019
(Electronic) Receipt
Apr 12, 2019
Amended claims with annotations
Apr 12, 2019
Amended description with annotations
Apr 12, 2019
Claims
Apr 12, 2019
Description
Apr 12, 2019
Letter accompanying subsequently filed items
Apr 12, 2019
Reply to communication from the Examining Division
Feb 4, 2019
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Nov 8, 2018
Grant of extension of time limit (examination procedure)
Nov 5, 2018
(Electronic) Receipt
Nov 5, 2018
Request for extension of time limit to communication from the Examining Division
Aug 30, 2018
Acknowledgement of receipt of third party observations
Aug 30, 2018
Transmittal of third party observations to applicant
Aug 24, 2018
(Electronic) Receipt
Aug 24, 2018
Citation filed by a third party
Aug 24, 2018
Letter accompanying subsequently filed items
Aug 24, 2018
Non-patent literature filed by a third party
Aug 24, 2018
Non-patent literature filed by a third party
Aug 24, 2018
Non-patent literature filed by a third party
Aug 24, 2018
Observations by third parties
Jun 26, 2018
Annex to the communication
Jun 26, 2018
Communication from the Examining Division
Jun 20, 2018
Examination started
May 28, 2018
Communication of amended entries concerning the representative
May 17, 2018
Submission concerning change of applicant's representative
Jun 21, 2017
(Electronic) Receipt
Jun 21, 2017
Amended claims filed after receipt of (European) search report
Jun 21, 2017
Amended claims with annotations
Jun 21, 2017
Amended description filed after receipt of (European) search report
Jun 21, 2017
Amended description with annotations
Jun 21, 2017
Amendments received before examination
Jun 21, 2017
Letter accompanying subsequently filed items
Jan 2, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Nov 18, 2016
Communication regarding the transmission of the European search report
Nov 18, 2016
European search opinion
Nov 18, 2016
European search report
Nov 18, 2016
Information on Search Strategy
Nov 11, 2016
Enquiry as to when the search report can be expected
Sep 21, 2016
Communication of the registration of a transfer or change of name and/or address
Sep 16, 2016
Submission concerning change of applicant's address
Sep 15, 2016
Submission concerning change of applicant's address
Aug 9, 2016
Communication regarding the transmission of the European search report
Aug 9, 2016
Information on Search Strategy
Aug 9, 2016
Partial European search report
Aug 2, 2016
Search started
Mar 10, 2016
Communication of expected date of establishment of search report
Mar 7, 2016
General enquiry
Feb 22, 2016
CDS Clean up - amended applicant details
May 3, 2013
Notification of forthcoming publication
Jan 21, 2013
Confirmation of receipt of (electronically) transmitted priority document
Jan 16, 2013
Priority document (electronically transmitted)
Jan 8, 2013
Communication to designated inventor
Jan 8, 2013
Communication to designated inventor
Jan 8, 2013
Communication to designated inventor
Nov 15, 2012
Abstract
Nov 15, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Nov 15, 2012
Claims
Nov 15, 2012
Description
Nov 15, 2012
Designation of inventor
Nov 15, 2012
Designation of inventor
Nov 15, 2012
Designation of inventor
Nov 15, 2012
Drawings
Nov 15, 2012
Request for grant of a European patent

EP2597292

RAYTHEON

Application Number: EP12192792A
Filing Date: Nov 15, 2012
Status: Patent Maintained As Amended; Feb 14, 2025
Publication Date: Mar 19, 2025
External Links: Slate, Register , Google Patents