Turbine Section Of High Bypass Turbofan

Patent No. EP2535548 (titled "Turbine Section Of High Bypass Turbofan") was filed by Raytheon on Jun 15, 2012. The application was issued on Aug 1, 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
SAFRAN AIRCRAFT ENGINES	Apr 29, 2019	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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Jul 24, 2023
Termination of the opposition proceedings with revocation of patent
Jul 20, 2023
Decision of the Board of Appeal
Jul 20, 2023
F3032 Notification(s) of the decision
Jul 20, 2023
F3032 Notification(s) of the decision
Jun 27, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 27, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 26, 2023
(Electronic) Receipt
Jun 26, 2023
F3014 Oral Proceedings: Order cancelling/postponing
Jun 26, 2023
Letter accompanying subsequently filed items
Jun 26, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 19, 2023
F3018 Oral proceedings: Confirmation interpreters
Jun 19, 2023
F3018 Oral proceedings: Confirmation interpreters
Jun 15, 2023
F3004 Communication of the Registry
Jun 15, 2023
F3004 Communication of the Registry
May 15, 2023
F3345 Forwarding of submissions to parties
May 12, 2023
(Electronic) Receipt
May 12, 2023
Letter accompanying subsequently filed items
May 12, 2023
Letter dealing with oral proceedings during the appeal procedure
Mar 3, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 3, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 11, 2022
F3345 Forwarding of submissions to parties
Nov 8, 2022
(Electronic) Receipt
Nov 8, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 8, 2022
Written submission in preparation to/during oral proceedings
Oct 10, 2022
Advice of delivery
Oct 10, 2022
F3011.1 Oral Proceedings: summons
Oct 10, 2022
F3011.1 Oral Proceedings: summons
Oct 10, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 10, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 5, 2022
F3010 Oral proceedings: order for summons
Sep 22, 2022
F3345 Forwarding of submissions to parties
Sep 19, 2022
(Electronic) Receipt
Sep 19, 2022
Letter regarding the opposition procedure (no time limit)
Sep 19, 2022
Letter relating to Appeal Procedure
Sep 12, 2022
F3303.14 Composition of the Board (T), in case Chairman is a legal member
May 27, 2022
F3345 Forwarding of submissions to parties
May 20, 2022
(Electronic) Receipt
May 20, 2022
Amended claims with annotations
May 20, 2022
Amended claims with annotations
May 20, 2022
Amended claims with annotations
May 20, 2022
Amended claims with annotations
May 20, 2022
Auxiliary request during appeals procedure - 01
May 20, 2022
Auxiliary request during appeals procedure - 02
May 20, 2022
Auxiliary request during appeals procedure - 03
May 20, 2022
Claims
May 20, 2022
Letter accompanying subsequently filed items
May 20, 2022
Reply to appeal
Jan 10, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Dec 24, 2021
(Electronic) Receipt
Dec 24, 2021
Citation in appeal procedure - 023
Dec 24, 2021
Citation in appeal procedure - 024
Dec 24, 2021
Letter accompanying subsequently filed items
Dec 24, 2021
Statement of grounds of appeal
Nov 2, 2021
F3204 Communication of the file number to the parties
Nov 2, 2021
F3204 Communication of the file number to the parties
Oct 26, 2021
(Electronic) Receipt
Oct 26, 2021
Letter accompanying subsequently filed items
Oct 26, 2021
Notice of appeal
Sep 27, 2021
Brief communication - Opposition proceedings
Sep 27, 2021
Brief communication - Opposition proceedings
Sep 6, 2021
(Electronic) Receipt
Sep 6, 2021
Advice of delivery
Sep 6, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
Advice of delivery
Aug 27, 2021
Annex to a communication
Aug 27, 2021
Annex to the communication - opposition
Aug 27, 2021
Druckexemplar in opposition procedure
Aug 27, 2021
Grounds for the decision (Annex) - opposition
Aug 27, 2021
Interlocutory decision in opposition proceedings
Aug 27, 2021
Interlocutory decision in opposition proceedings
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Means of redress
Aug 27, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 27, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 27, 2021
Provision of a copy of the minutes - opposition procedure
Aug 27, 2021
Provision of a copy of the minutes - opposition procedure
Aug 27, 2021
Transmittal of decision / summons - opposition
Aug 27, 2021
Transmittal of decision / summons - opposition
Apr 15, 2021
Information about the result of oral proceedings
Mar 19, 2021
Brief communication - Opposition proceedings
Mar 19, 2021
Brief communication - Opposition proceedings
Mar 1, 2021
(Electronic) Receipt
Mar 1, 2021
Brief communication - Opposition proceedings
Mar 1, 2021
Letter accompanying subsequently filed items
Mar 1, 2021
Written submission in preparation to/during oral proceedings
Feb 26, 2021
Letter accompanying subsequently filed items
Feb 26, 2021
Written submission in preparation to/during oral proceedings
Feb 19, 2021
Brief communication - Opposition proceedings
Feb 19, 2021
Communication of the registration of a transfer or change of name and/or address
Feb 15, 2021
(Electronic) Receipt
Feb 15, 2021
Letter accompanying subsequently filed items
Feb 15, 2021
Oral proceedings: reply to date proposed
Feb 11, 2021
Brief communication - Opposition proceedings
Feb 8, 2021
(Electronic) Receipt
Feb 8, 2021
Authorisation
Feb 8, 2021
Letter accompanying subsequently filed items
Feb 8, 2021
Submission concerning change of applicant's name
Feb 8, 2021
Written submission in preparation to/during 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 18, 2020
Annexes in respect of a client data request
Dec 18, 2020
Annexes in respect of a client data request
Dec 18, 2020
Notification concerning the date of oral proceedings
Dec 18, 2020
Notification concerning the date of oral proceedings
Dec 18, 2020
Submission concerning change of applicant's name
Dec 17, 2020
(Electronic) Receipt
Dec 17, 2020
Advice of delivery
Dec 17, 2020
Letter accompanying subsequently filed items
Nov 20, 2020
Brief communication - Opposition proceedings
Nov 17, 2020
(Electronic) Receipt
Nov 17, 2020
Citation in opposition procedure - 021
Nov 17, 2020
Consolidated list of cited opposition documents
Nov 17, 2020
Letter accompanying subsequently filed items
Nov 17, 2020
Written submission in preparation to/during oral proceedings
Nov 3, 2020
Communication about missing advice of delivery
Sep 28, 2020
Advice of delivery
Sep 24, 2020
Acknowledgement of a document
Sep 24, 2020
Acknowledgement of a document
Sep 24, 2020
Information about the result of oral proceedings
Sep 24, 2020
Summons to attend oral proceedings
Sep 24, 2020
Summons to attend oral proceedings
Sep 18, 2020
Brief communication - Opposition proceedings
Sep 18, 2020
Notification concerning the date of oral proceedings
Sep 18, 2020
Notification concerning the date of oral proceedings
Sep 10, 2020
(Electronic) Receipt
Sep 10, 2020
Auxiliary request during Opposition procedure
Sep 10, 2020
Auxiliary request during Opposition procedure - 03
Sep 10, 2020
Letter accompanying subsequently filed items
Sep 10, 2020
Written submission in preparation to/during oral proceedings
Aug 5, 2020
Brief communication - Opposition proceedings
Jul 28, 2020
(Electronic) Receipt
Jul 28, 2020
Letter accompanying subsequently filed items
Jul 28, 2020
Written submission in preparation to/during oral proceedings
Jul 20, 2020
Notification concerning the date of oral proceedings
Jul 20, 2020
Notification concerning the date of oral proceedings
Apr 17, 2020
Brief communication - Opposition proceedings
Apr 17, 2020
Transmittal of third party observations to applicant
Apr 15, 2020
Acknowledgement of receipt of third party observations
Apr 7, 2020
(Electronic) Receipt
Apr 7, 2020
Letter accompanying subsequently filed items
Apr 7, 2020
Observations by third parties
Mar 3, 2020
(Electronic) Receipt
Mar 3, 2020
Advice of delivery
Mar 3, 2020
Letter accompanying subsequently filed items
Mar 2, 2020
Advice of delivery
Feb 21, 2020
Acknowledgement of a document
Feb 21, 2020
Acknowledgement of a document
Feb 21, 2020
Annex to the communication - opposition
Feb 21, 2020
Information concerning oral proceedings
Feb 21, 2020
Summons to attend oral proceedings
Feb 21, 2020
Summons to attend oral proceedings
Oct 8, 2019
Brief communication - Opposition proceedings
Sep 25, 2019
(Electronic) Receipt
Sep 25, 2019
Auxiliary request during Opposition procedure
Sep 25, 2019
Auxiliary request during Opposition procedure
Sep 25, 2019
Auxiliary request during Opposition procedure - 01
Sep 25, 2019
Auxiliary request during Opposition procedure - 02
Sep 25, 2019
Letter accompanying subsequently filed items
Sep 25, 2019
Reply of the patent proprietor to the notice(s) of opposition
May 15, 2019
Communication of a notice of opposition and request to file observations
May 15, 2019
Notice of further oppositions to opponent(s)
May 9, 2019
Communication of a notice of opposition - first information to patent proprietor
Apr 29, 2019
(Electronic) Receipt
Apr 29, 2019
Citation in opposition procedure - 001
Apr 29, 2019
Citation in opposition procedure - 002
Apr 29, 2019
Citation in opposition procedure - 003
Apr 29, 2019
Citation in opposition procedure - 004
Apr 29, 2019
Citation in opposition procedure - 005
Apr 29, 2019
Citation in opposition procedure - 006
Apr 29, 2019
Citation in opposition procedure - 007
Apr 29, 2019
Citation in opposition procedure - 008
Apr 29, 2019
Citation in opposition procedure - 009
Apr 29, 2019
Citation in opposition procedure - 010
Apr 29, 2019
Citation in opposition procedure - 011
Apr 29, 2019
Citation in opposition procedure - 012
Apr 29, 2019
Citation in opposition procedure - 013
Apr 29, 2019
Citation in opposition procedure - 014
Apr 29, 2019
Citation in opposition procedure - 015
Apr 29, 2019
Citation in opposition procedure - 016
Apr 29, 2019
Citation in opposition procedure - 017
Apr 29, 2019
Citation in opposition procedure - 018
Apr 29, 2019
Citation in opposition procedure - 019
Apr 29, 2019
Citation in opposition procedure - 020
Apr 29, 2019
Notice of opposition
Apr 29, 2019
Notice of opposition
Aug 13, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 5, 2018
Decision to grant a European patent
Jun 4, 2018
(Electronic) Receipt
Jun 4, 2018
Filing of the translations of the claims
Jun 4, 2018
French translation of claims
Jun 4, 2018
German translation of the claims
Jun 4, 2018
Letter accompanying subsequently filed items
May 28, 2018
Communication of amended entries concerning the representative
May 17, 2018
Submission concerning change of applicant's representative
Jan 23, 2018
Bibliographic data of the European patent application
Jan 23, 2018
Communication about intention to grant a European patent
Jan 23, 2018
Intention to grant (signatures)
Jan 23, 2018
Text intended for grant (clean copy)
Jan 23, 2018
Text intended for grant (version for approval)
Sep 14, 2017
(Electronic) Receipt
Sep 14, 2017
Amended claims with annotations
Sep 14, 2017
Amended description with annotations
Sep 14, 2017
Claims
Sep 14, 2017
Description
Sep 14, 2017
Letter accompanying subsequently filed items
Sep 14, 2017
Reply to communication from the Examining Division
May 4, 2017
Annex to the communication
May 4, 2017
Communication from the Examining Division
Jan 11, 2017
(Electronic) Receipt
Jan 11, 2017
Letter accompanying subsequently filed items
Jan 11, 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
Jun 27, 2016
(Electronic) Receipt
Jun 27, 2016
Amended claims with annotations
Jun 27, 2016
Amended description with annotations
Jun 27, 2016
Claims
Jun 27, 2016
Description
Jun 27, 2016
Letter accompanying subsequently filed items
Jun 27, 2016
Reply to communication from the Examining Division
Feb 22, 2016
CDS Clean up - amended applicant details
Feb 16, 2016
Annex to the communication
Feb 16, 2016
Communication from the Examining Division
Feb 8, 2016
Examination started
Oct 28, 2015
(Electronic) Receipt
Oct 28, 2015
Letter accompanying subsequently filed items
Oct 28, 2015
Reply to Written Opinion prepared by the EPO
May 6, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Mar 30, 2015
Communication regarding the transmission of the European search report
Mar 30, 2015
European search opinion
Mar 30, 2015
European search report
Mar 20, 2015
Search started
Jul 11, 2013
CDS Clean up - amended data concerning the representative for the applicant
Nov 21, 2012
Notification of forthcoming publication
Aug 27, 2012
Confirmation of receipt of (electronically) transmitted priority document
Aug 21, 2012
Confirmation of receipt of (electronically) transmitted priority document
Aug 21, 2012
Priority document (electronically transmitted)
Aug 16, 2012
Priority document (electronically transmitted)
Aug 16, 2012
Priority document (electronically transmitted)
Jun 15, 2012
Abstract
Jun 15, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jun 15, 2012
Claims
Jun 15, 2012
Description
Jun 15, 2012
Designation of inventor
Jun 15, 2012
Designation of inventor
Jun 15, 2012
Designation of inventor
Jun 15, 2012
Designation of inventor
Jun 15, 2012
Designation of inventor
Jun 15, 2012
Designation of inventor
Jun 15, 2012
Drawings
Jun 15, 2012
Request for grant of a European patent

EP2535548

RAYTHEON

Application Number: EP12172248A
Filing Date: Jun 15, 2012
Status: Revoked; Jul 24, 2023
Publication Date: Aug 1, 2018
External Links: Slate, Register , Google Patents

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Turbine Section Of High Bypass Turbofan

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Dossier Documents

EP2535548