Rotating Labyrinth M-Seal

Patent No. EP3078809 (titled "Rotating Labyrinth M-Seal") was filed by Raytheon on Apr 11, 2016. The application was issued on Apr 30, 2025.

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 1, 2020	CABINET BEAU DE LOMENIE

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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Apr 3, 2025
Decision to maintain the European patent in amended form
Apr 3, 2025
Decision to maintain the European patent in amended form
Mar 20, 2025
(Electronic) Receipt
Mar 20, 2025
Filing of the translation of the amended claims
Mar 20, 2025
French translation of claims
Mar 20, 2025
German translation of the claims
Mar 20, 2025
Letter accompanying subsequently filed items
Jan 22, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 22, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 20, 2024
Communication of bibliographic data
Dec 20, 2024
Communication to opponent concerning maintenance
Dec 20, 2024
Communication with request to file translations
Dec 17, 2024
Maintenance of the patent with the documents specified in the final decision
Dec 13, 2024
Refund of fees
Dec 9, 2024
F3013 Oral Proceedings: Forwarding minutes
Dec 9, 2024
F3013 Oral Proceedings: Forwarding minutes
Dec 9, 2024
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Dec 2, 2024
F3345 Forwarding of submissions to parties
Nov 28, 2024
(Electronic) Receipt
Nov 28, 2024
Letter accompanying subsequently filed items
Nov 28, 2024
Letter dealing with oral proceedings during the appeal procedure
Nov 8, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 8, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 7, 2024
F3018 Oral proceedings: Confirmation interpreters
Nov 7, 2024
F3018 Oral proceedings: Confirmation interpreters
Nov 4, 2024
F3345 Forwarding of submissions to parties
Oct 28, 2024
(Electronic) Receipt
Oct 28, 2024
Letter accompanying subsequently filed items
Oct 28, 2024
Letter dealing with oral proceedings during the appeal procedure
Oct 2, 2024
F3345 Forwarding of submissions to parties
Sep 26, 2024
(Electronic) Receipt
Sep 26, 2024
Letter accompanying subsequently filed items
Sep 24, 2024
F3345 Forwarding of submissions to parties
Sep 18, 2024
(Electronic) Receipt
Sep 18, 2024
F3022 Oral proceedings: change of board composition
Sep 18, 2024
F3022 Oral proceedings: change of board composition
Sep 18, 2024
Letter accompanying subsequently filed items
Sep 13, 2024
F3303.16 Change of composition of the Board (T)
May 24, 2024
F3022 Oral proceedings: change of board composition
May 24, 2024
F3022 Oral proceedings: change of board composition
May 21, 2024
F3303.16 Change of composition of the Board (T)
Apr 22, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 22, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 17, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Jan 10, 2024
F3345 Forwarding of submissions to parties
Jan 5, 2024
(Electronic) Receipt
Jan 5, 2024
Letter relating to Appeal Procedure
Jan 5, 2024
Written submission in preparation to/during oral proceedings
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
Jul 21, 2023
F3345 Forwarding of submissions to parties
Jul 17, 2023
(Electronic) Receipt
Jul 17, 2023
Letter accompanying subsequently filed items
Jul 17, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 29, 2023
F3345 Forwarding of submissions to parties
Jun 28, 2023
(Electronic) Receipt
Jun 28, 2023
Advice of delivery
Jun 28, 2023
Letter accompanying subsequently filed items
Jun 23, 2023
(Electronic) Receipt
Jun 23, 2023
Letter accompanying subsequently filed items
Jun 23, 2023
Letter relating to Appeal Procedure
Jun 14, 2023
F3011.1 Oral Proceedings: summons
Jun 14, 2023
F3011.1 Oral Proceedings: summons
Jun 9, 2023
F3010 Oral proceedings: order for summons
May 22, 2023
Composition of the board (T)
Nov 18, 2022
F3345 Forwarding of submissions to parties
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Reply to appeal
Jul 15, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 4, 2022
(Electronic) Receipt
Jul 4, 2022
Amended claims with annotations
Jul 4, 2022
Amended claims with annotations
Jul 4, 2022
Auxiliary request during appeals procedure - 01
Jul 4, 2022
Auxiliary request during appeals procedure - 02
Jul 4, 2022
Letter accompanying subsequently filed items
Jul 4, 2022
Statement of grounds of appeal
May 11, 2022
F3204 Communication of the file number to the parties
May 11, 2022
F3204 Communication of the file number to the parties
May 3, 2022
(Electronic) Receipt
May 3, 2022
Letter accompanying subsequently filed items
May 3, 2022
Notice of appeal
Feb 28, 2022
(Electronic) Receipt
Feb 28, 2022
Advice of delivery
Feb 28, 2022
Letter accompanying subsequently filed items
Feb 21, 2022
Annex to the communication - opposition
Feb 21, 2022
Decision of the Opposition Division and instruction
Feb 21, 2022
Decision of the Opposition Division and instruction
Feb 21, 2022
Druckexemplar in opposition procedure
Feb 21, 2022
Grounds for the decision (Annex) - opposition
Feb 21, 2022
Interlocutory decision in opposition proceedings
Feb 21, 2022
Interlocutory decision in opposition proceedings
Feb 21, 2022
Means of redress
Feb 21, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 21, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 21, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 21, 2022
Provision of a copy of the minutes - opposition procedure
Feb 21, 2022
Provision of a copy of the minutes - opposition procedure
Feb 21, 2022
Provision of a copy of the minutes - opposition procedure
Feb 21, 2022
Scanned annex to a communication - opposition procedure
Feb 21, 2022
Transmittal of decision / summons - opposition
Feb 21, 2022
Transmittal of decision / summons - opposition
Feb 7, 2022
Information about the result of oral proceedings
Dec 10, 2021
(Electronic) Receipt
Dec 10, 2021
Advice of delivery
Dec 10, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Annex to the communication - opposition
Dec 7, 2021
Information concerning oral proceedings
Dec 7, 2021
Summons to attend oral proceedings
Dec 7, 2021
Summons to attend oral proceedings
Dec 7, 2021
Transmittal of decision / summons - opposition
Dec 7, 2021
Transmittal of decision / summons - opposition
Nov 25, 2021
(Electronic) Receipt
Nov 25, 2021
Brief communication - Opposition proceedings
Nov 25, 2021
Notification concerning the date of oral proceedings
Nov 25, 2021
Notification concerning the date of oral proceedings
Nov 25, 2021
Notification concerning the date of oral proceedings
Nov 22, 2021
(Electronic) Receipt
Nov 22, 2021
Letter accompanying subsequently filed items
Nov 22, 2021
Oral proceedings: Request for postponement
Oct 4, 2021
Brief communication - Opposition proceedings
Sep 27, 2021
Brief communication - Opposition proceedings
Sep 24, 2021
(Electronic) Receipt
Sep 24, 2021
(Electronic) Receipt
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure
Sep 24, 2021
Auxiliary request during Opposition procedure - 01
Sep 24, 2021
Auxiliary request during Opposition procedure - 02
Sep 24, 2021
Auxiliary request during Opposition procedure - 03
Sep 24, 2021
Auxiliary request during Opposition procedure - 04
Sep 24, 2021
Auxiliary request during Opposition procedure - 05
Sep 24, 2021
Auxiliary request during Opposition procedure - 06
Sep 24, 2021
Auxiliary request during Opposition procedure - 07
Sep 24, 2021
Auxiliary request during Opposition procedure - 08
Sep 24, 2021
Auxiliary request during Opposition procedure - 09
Sep 24, 2021
Auxiliary request during Opposition procedure - 10
Sep 24, 2021
Auxiliary request during Opposition procedure - 11
Sep 24, 2021
Auxiliary request during Opposition procedure - 12
Sep 24, 2021
Auxiliary request during Opposition procedure - 13
Sep 24, 2021
Auxiliary request during Opposition procedure - 14
Sep 24, 2021
Auxiliary request during Opposition procedure - 15
Sep 24, 2021
Letter accompanying subsequently filed items
Sep 24, 2021
Written submission in preparation to/during oral proceedings
Sep 24, 2021
Written submission in preparation to/during oral proceedings
Sep 22, 2021
(Electronic) Receipt
Sep 22, 2021
Letter accompanying subsequently filed items
Sep 22, 2021
Written submission in preparation to/during oral proceedings
Sep 17, 2021
(Electronic) Receipt
Sep 17, 2021
Request for interpreters during oral proceedings
Sep 17, 2021
Written submission in preparation to/during oral proceedings
Jul 1, 2021
Notification concerning the date of oral proceedings
Jul 1, 2021
Notification concerning the date of oral proceedings
Apr 8, 2021
(Electronic) Receipt
Apr 8, 2021
Advice of delivery
Apr 8, 2021
Annex to the communication - opposition
Apr 8, 2021
Information concerning oral proceedings
Apr 8, 2021
Letter accompanying subsequently filed items
Apr 8, 2021
Summons to attend oral proceedings
Apr 8, 2021
Summons to attend oral proceedings
Apr 8, 2021
Transmittal of decision / summons - opposition
Apr 8, 2021
Transmittal of decision / summons - opposition
Feb 9, 2021
Brief communication - Opposition proceedings
Jan 22, 2021
(Electronic) Receipt
Jan 22, 2021
Letter accompanying subsequently filed items
Jan 22, 2021
Reply from the opponent to submission of proprietor
Nov 26, 2020
Annex to the communication - opposition
Nov 26, 2020
Communication inviting the parties to file observations
Nov 26, 2020
Internal form - Opposition/addressees
Nov 19, 2020
Communication inviting the parties to file observations
Nov 6, 2020
Brief communication - Opposition proceedings
Nov 5, 2020
Communication of the registration of a transfer or change of name and/or address
Oct 29, 2020
(Electronic) Receipt
Oct 29, 2020
Annexes in respect of a client data request
Oct 29, 2020
Auxiliary request during Opposition procedure
Oct 29, 2020
Auxiliary request during Opposition procedure - 01
Oct 29, 2020
Letter accompanying subsequently filed items
Oct 29, 2020
Reply of the patent proprietor to the notice(s) of opposition
Oct 29, 2020
Submission concerning change of proprietor's name
Jun 19, 2020
Communication of a notice of opposition and request to file observations
Jun 19, 2020
Notice of further oppositions to opponent(s)
Apr 7, 2020
Communication of a notice of opposition - first information to patent proprietor
Apr 2, 2020
Consolidated list of cited opposition documents
Apr 1, 2020
(Electronic) Receipt
Apr 1, 2020
Citation in opposition procedure - 001
Apr 1, 2020
Citation in opposition procedure - 002
Apr 1, 2020
Citation in opposition procedure - 003
Apr 1, 2020
Citation in opposition procedure - 004
Apr 1, 2020
Citation in opposition procedure - 005
Apr 1, 2020
Citation in opposition procedure - 006
Apr 1, 2020
Citation in opposition procedure - 007
Apr 1, 2020
Citation in opposition procedure - 008
Apr 1, 2020
Citation in opposition procedure - 009
Apr 1, 2020
Notice of opposition
Apr 1, 2020
Notice of opposition
Jul 15, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 6, 2019
Decision to grant a European patent
May 22, 2019
(Electronic) Receipt
May 22, 2019
Filing of the translations of the claims
May 22, 2019
French translation of claims
May 22, 2019
German translation of the claims
May 22, 2019
Letter accompanying subsequently filed items
Jan 14, 2019
Bibliographic data of the European patent application
Jan 14, 2019
Communication about intention to grant a European patent
Jan 14, 2019
Intention to grant (signatures)
Jan 14, 2019
Text intended for grant (clean copy)
Jan 14, 2019
Text intended for grant (version for approval)
Oct 10, 2018
(Electronic) Receipt
Oct 10, 2018
Amended claims with annotations
Oct 10, 2018
Amended description with annotations
Oct 10, 2018
Claims
Oct 10, 2018
Description
Oct 10, 2018
Letter accompanying subsequently filed items
Oct 10, 2018
Reply to communication from the Examining Division
Jun 8, 2018
Annex to the communication
Jun 8, 2018
Communication from the Examining Division
Jun 1, 2018
(Electronic) Receipt
Jun 1, 2018
Matter concerning the application
May 31, 2018
Annex to the communication
May 31, 2018
Communication from the Examining Division
May 28, 2018
Communication of amended entries concerning the representative
May 24, 2018
Examination started
May 17, 2018
Submission concerning change of applicant's representative
Apr 12, 2017
(Electronic) Receipt
Apr 12, 2017
Amended claims filed after receipt of (European) search report
Apr 12, 2017
Amended claims with annotations
Apr 12, 2017
Amended description filed after receipt of (European) search report
Apr 12, 2017
Amended description with annotations
Apr 12, 2017
Amendments received before examination
Apr 12, 2017
Letter accompanying subsequently filed items
Oct 17, 2016
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
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 14, 2016
Notification of forthcoming publication
Aug 16, 2016
Communication regarding the transmission of the European search report
Aug 16, 2016
European search opinion
Aug 16, 2016
European search report
Aug 16, 2016
Information on Search Strategy
Aug 9, 2016
Search started
Jun 20, 2016
Confirmation of receipt of (electronically) transmitted priority document
Jun 13, 2016
Priority document (electronically transmitted)
Jun 3, 2016
Communication to designated inventor
Jun 3, 2016
Communication to designated inventor
Apr 11, 2016
Abstract
Apr 11, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 11, 2016
Claims
Apr 11, 2016
Description
Apr 11, 2016
Designation of inventor
Apr 11, 2016
Drawings
Apr 11, 2016
Request for grant of a European patent

EP3078809

RAYTHEON

Application Number: EP16164679A
Filing Date: Apr 11, 2016
Status: Patent Maintained As Amended; Mar 28, 2025
Publication Date: Apr 30, 2025
External Links: Slate, Register , Google Patents

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Rotating Labyrinth M-Seal

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Dossier Documents

EP3078809