Geared Turbofan Gas Turbine Engine Architecture

Patent No. EP2809922 (titled "Geared Turbofan Gas Turbine Engine Architecture") was filed by Raytheon on Jan 30, 2013. The application was issued on Jan 26, 2022.

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	Mar 20, 2019	REGIMBEAU
ROLLS ROYCE	Mar 19, 2019	ROLLS ROYCE

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 7, 2022
Decision to maintain the European patent in amended form
Jan 7, 2022
Decision to maintain the European patent in amended form
Jan 7, 2022
Decision to maintain the European patent in amended form
Jan 3, 2022
Termination of the opposition proceedings with maintenance of patent
Dec 15, 2021
(Electronic) Receipt
Dec 15, 2021
Filing of the translation of the amended claims
Dec 15, 2021
French translation of claims
Dec 15, 2021
German translation of the claims
Dec 15, 2021
Letter accompanying subsequently filed items
Sep 22, 2021
Communication to opponent concerning maintenance
Sep 22, 2021
Communication to opponent concerning maintenance
Sep 22, 2021
Communication with request to file translations
Aug 26, 2021
Maintenance of the patent with the documents specified in the final decision
Jul 9, 2021
(Electronic) Receipt
Jul 9, 2021
Advice of delivery
Jul 9, 2021
Letter accompanying subsequently filed items
Jun 3, 2021
Advice of delivery
May 20, 2021
(Electronic) Receipt
May 20, 2021
Advice of delivery
May 20, 2021
Letter accompanying subsequently filed items
May 17, 2021
Annex to the communication - opposition
May 17, 2021
Decision of the Opposition Division and instruction
May 17, 2021
Druckexemplar in opposition procedure
May 17, 2021
Grounds for the decision (Annex) - opposition
May 17, 2021
Interlocutory decision in opposition proceedings
May 17, 2021
Internal form - Opposition/addressees
May 17, 2021
Internal form - Opposition/addressees
May 17, 2021
Means of redress
May 17, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 17, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 17, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 17, 2021
Provision of a copy of the minutes - opposition procedure
May 17, 2021
Transmittal of decision / summons - opposition
May 17, 2021
Transmittal of decision / summons - opposition
May 17, 2021
Transmittal of decision / summons - opposition
Apr 8, 2021
Authorisation
Feb 19, 2021
Communication of the registration of a transfer or change of name and/or address
Feb 8, 2021
Authorisation
Feb 8, 2021
Submission concerning change of applicant's name
Feb 2, 2021
Information about the result of oral proceedings
Jan 27, 2021
(Electronic) Receipt
Jan 27, 2021
Letter accompanying subsequently filed items
Jan 27, 2021
Oral proceedings: reply to date proposed
Jan 21, 2021
Notification concerning the date of oral proceedings
Jan 21, 2021
Notification concerning the date of oral proceedings
Jan 21, 2021
Notification concerning the date of oral proceedings
Jan 18, 2021
Indication of deficiencies in a request for entry of a change in personal particulars and invitation to correct them
Dec 9, 2020
Brief communication - Opposition proceedings
Dec 9, 2020
Brief communication - Opposition proceedings
Dec 4, 2020
Notification concerning the date of oral proceedings
Dec 4, 2020
Notification concerning the date of oral proceedings
Dec 4, 2020
Notification concerning the date of oral proceedings
Dec 2, 2020
(Electronic) Receipt
Dec 2, 2020
(Electronic) Receipt
Dec 2, 2020
Letter accompanying subsequently filed items
Dec 2, 2020
Letter accompanying subsequently filed items
Dec 2, 2020
Oral proceedings: reply to date proposed
Dec 2, 2020
Written submission in preparation to/during oral proceedings
Jul 31, 2020
(Electronic) Receipt
Jul 31, 2020
Letter accompanying subsequently filed items
Jul 31, 2020
Oral proceedings: reply to date proposed
Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
Advice of delivery
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 21, 2020
Notification concerning the date of oral proceedings
Jul 21, 2020
Notification concerning the date of oral proceedings
Jul 21, 2020
Notification concerning the date of oral proceedings
Jul 7, 2020
Communication about missing advice of delivery
Jul 7, 2020
Communication about missing advice of delivery
Jun 29, 2020
Advice of delivery
Jun 10, 2020
(Electronic) Receipt
Jun 10, 2020
Advice of delivery
Jun 10, 2020
Letter accompanying subsequently filed items
May 29, 2020
Acknowledgement of a document
May 29, 2020
Acknowledgement of a document
May 29, 2020
Acknowledgement of a document
May 29, 2020
Information concerning oral proceedings
May 29, 2020
Notification concerning the date of oral proceedings
May 29, 2020
Notification concerning the date of oral proceedings
May 29, 2020
Notification concerning the date of oral proceedings
May 29, 2020
Summons to attend oral proceedings
May 29, 2020
Summons to attend oral proceedings
May 29, 2020
Summons to attend oral proceedings
May 15, 2020
Brief communication - Opposition proceedings
May 15, 2020
Brief communication - Opposition proceedings
May 11, 2020
(Electronic) Receipt
May 11, 2020
Brief communication - Opposition proceedings
May 11, 2020
Brief communication - Opposition proceedings
May 11, 2020
Letter accompanying subsequently filed items
May 11, 2020
Oral proceedings: Request for postponement
Apr 29, 2020
(Electronic) Receipt
Apr 29, 2020
Citation in opposition procedure
Apr 29, 2020
Letter accompanying subsequently filed items
Apr 29, 2020
Written submission in preparation to/during oral proceedings
Apr 15, 2020
Brief communication - Opposition proceedings
Apr 15, 2020
Brief communication - Opposition proceedings
Apr 14, 2020
Brief communication - Opposition proceedings
Apr 14, 2020
Brief communication - Opposition proceedings
Apr 14, 2020
Brief communication - Opposition proceedings
Apr 3, 2020
(Electronic) Receipt
Apr 3, 2020
Auxiliary request during Opposition procedure
Apr 3, 2020
Auxiliary request during Opposition procedure
Apr 3, 2020
Auxiliary request during Opposition procedure
Apr 3, 2020
Auxiliary request during Opposition procedure - 01
Apr 3, 2020
Auxiliary request during Opposition procedure - 02
Apr 3, 2020
Auxiliary request during Opposition procedure - 03
Apr 3, 2020
Letter accompanying subsequently filed items
Apr 3, 2020
Written submission in preparation to/during oral proceedings
Apr 2, 2020
(Electronic) Receipt
Apr 2, 2020
(Electronic) Receipt
Apr 2, 2020
Citation in opposition procedure
Apr 2, 2020
Citation in opposition procedure
Apr 2, 2020
Letter accompanying subsequently filed items
Apr 2, 2020
Letter accompanying subsequently filed items
Apr 2, 2020
Non-patent literature cited during the opposition procedure
Apr 2, 2020
Non-patent literature cited during the opposition procedure
Apr 2, 2020
Written submission in preparation to/during oral proceedings
Apr 2, 2020
Written submission in preparation to/during oral proceedings
Feb 12, 2020
Brief communication - Opposition proceedings
Feb 12, 2020
Brief communication - Opposition proceedings
Jan 31, 2020
(Electronic) Receipt
Jan 31, 2020
(Electronic) Receipt
Jan 31, 2020
Advice of delivery
Jan 31, 2020
Letter accompanying subsequently filed items
Jan 31, 2020
Letter accompanying subsequently filed items
Jan 31, 2020
Request for interpreters during oral proceedings
Jan 30, 2020
Communication of amended entries
Jan 20, 2020
Letter accompanying subsequently filed items
Jan 20, 2020
Submission concerning change of applicant's address
Jan 20, 2020
Submission concerning change of applicant's address
Jan 20, 2020
Submission concerning change of applicant's address
Jan 20, 2020
Submission concerning change of applicant's address
Jan 8, 2020
Communication about missing advice of delivery
Dec 24, 2019
Advice of delivery
Dec 12, 2019
Advice of delivery
Dec 11, 2019
Advice of delivery
Dec 2, 2019
Acknowledgement of a document
Dec 2, 2019
Acknowledgement of a document
Dec 2, 2019
Acknowledgement of a document
Dec 2, 2019
Annex to the communication - opposition
Dec 2, 2019
Information concerning oral proceedings
Dec 2, 2019
Summons to attend oral proceedings
Dec 2, 2019
Summons to attend oral proceedings
Dec 2, 2019
Summons to attend oral proceedings
Aug 21, 2019
Brief communication - Opposition proceedings
Aug 21, 2019
Brief communication - Opposition proceedings
Aug 13, 2019
(Electronic) Receipt
Aug 13, 2019
Amended claims with annotations
Aug 13, 2019
Amended claims with annotations
Aug 13, 2019
Amended claims with annotations
Aug 13, 2019
Claims
Aug 13, 2019
Claims
Aug 13, 2019
Claims
Aug 13, 2019
Letter accompanying subsequently filed items
Aug 13, 2019
Reply of the patent proprietor to the notice(s) of opposition
Apr 3, 2019
Communication of a notice of opposition and request to file observations
Apr 3, 2019
Notice of further oppositions to opponent(s)
Apr 3, 2019
Notice of further oppositions to opponent(s)
Apr 2, 2019
Brief communication - Opposition proceedings
Mar 28, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 28, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 25, 2019
Letter regarding the opposition procedure (no time limit)
Mar 20, 2019
(Electronic) Receipt
Mar 20, 2019
Citation in opposition procedure
Mar 20, 2019
Citation in opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Non-patent literature cited during the opposition procedure
Mar 20, 2019
Notice of opposition
Mar 20, 2019
Notice of opposition
Mar 20, 2019
Patent document cited during the opposition procedure
Mar 20, 2019
Patent document cited during the opposition procedure
Mar 19, 2019
(Electronic) Receipt
Mar 19, 2019
Citation in opposition procedure
Mar 19, 2019
Citation in opposition procedure
Mar 19, 2019
Non-patent literature cited during the opposition procedure
Mar 19, 2019
Non-patent literature cited during the opposition procedure
Mar 19, 2019
Non-patent literature cited during the opposition procedure
Mar 19, 2019
Non-patent literature cited during the opposition procedure
Mar 19, 2019
Notice of opposition
Mar 19, 2019
Notice of opposition
Jul 2, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 28, 2018
Communication of amended entries concerning the representative
May 25, 2018
Decision to grant a European patent
May 17, 2018
Submission concerning change of applicant's representative
May 10, 2018
(Electronic) Receipt
May 10, 2018
Filing of the translations of the claims
May 10, 2018
Letter accompanying subsequently filed items
May 7, 2018
Bibliographic data of the European patent application
May 7, 2018
Communication about intention to grant a European patent
May 7, 2018
Intention to grant (signatures)
May 7, 2018
Text intended for grant (clean copy)
May 7, 2018
Text intended for grant (version for approval)
May 2, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Apr 11, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Apr 9, 2018
(Electronic) Receipt
Apr 9, 2018
Amended claims with annotations
Apr 9, 2018
Claims
Apr 9, 2018
Letter accompanying subsequently filed items
Apr 9, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 30, 2017
Bibliographic data of the European patent application
Nov 30, 2017
Communication about intention to grant a European patent
Nov 30, 2017
Intention to grant (signatures)
Nov 30, 2017
Text intended for grant (clean copy)
Nov 30, 2017
Text intended for grant (version for approval)
Nov 15, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Oct 10, 2017
(Electronic) Receipt
Oct 10, 2017
Amended claims with annotations
Oct 10, 2017
Claims
Oct 10, 2017
French translation of claims
Oct 10, 2017
German translation of the claims
Oct 10, 2017
Letter accompanying subsequently filed items
Oct 10, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 31, 2017
Bibliographic data of the European patent application
May 31, 2017
Communication about intention to grant a European patent
May 31, 2017
Intention to grant (signatures)
May 31, 2017
Text intended for grant (clean copy)
May 31, 2017
Text intended for grant (version for approval)
Jan 10, 2017
(Electronic) Receipt
Jan 10, 2017
Amended description with annotations
Jan 10, 2017
Description
Jan 10, 2017
Letter accompanying subsequently filed items
Jan 10, 2017
Reply to communication from the Examining Division
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
Sep 1, 2016
Annex to the communication
Sep 1, 2016
Communication from the Examining Division
Aug 25, 2016
Examination started
May 11, 2016
(Electronic) Receipt
May 11, 2016
Amended claims filed after receipt of (European) search report
May 11, 2016
Amended claims with annotations
May 11, 2016
Amended description filed after receipt of (European) search report
May 11, 2016
Amended description with annotations
May 11, 2016
Amendments received before examination
May 11, 2016
Letter accompanying subsequently filed items
Feb 22, 2016
CDS Clean up - amended applicant details
Nov 3, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 15, 2015
Communication regarding the transmission of the European search report
Oct 15, 2015
European search opinion
Oct 15, 2015
Supplementary European search report
Oct 5, 2015
Search started
Mar 19, 2015
(Electronic) Receipt
Mar 19, 2015
Amended claims filed after receipt of (European) search report
Mar 19, 2015
Amended claims with annotations
Mar 19, 2015
Amendments received before examination
Mar 19, 2015
Letter accompanying subsequently filed items
Nov 12, 2014
Notification on forthcoming publication of bibliographic data
Sep 9, 2014
Communication regarding possible amendment of the application/payment of claims fee
Sep 5, 2014
Communication to designated inventor
Sep 5, 2014
Communication to designated inventor
Aug 20, 2014
Copy of the international preliminary report on patentability
Aug 18, 2014
(Electronic) Receipt
Aug 18, 2014
Request for entry into the European phase
Nov 13, 2013
Priority document (electronically transmitted)
Nov 13, 2013
Priority document (electronically transmitted)
Nov 13, 2013
Priority document (electronically transmitted)
Oct 24, 2013
Copy of the international search report
Oct 24, 2013
Published international application - A1

EP2809922

RAYTHEON

Application Number: EP13778330A
Filing Date: Jan 30, 2013
Status: Patent Maintained As Amended; Dec 24, 2021
Publication Date: Jan 26, 2022
External Links: Slate, Register , Google Patents

IP Verse

Geared Turbofan Gas Turbine Engine Architecture

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2809922