Low Noise Compressor Rotor For Geared Turbofan Engine

Patent No. EP2809881 (titled "Low Noise Compressor Rotor For Geared Turbofan Engine") was filed by MTU Aero Engines on Jan 18, 2013. The application was issued on Jan 10, 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	Oct 8, 2018	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

Get instant alerts for new documents

Jan 29, 2024
Refund of fees
Jan 25, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 25, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 15, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 15, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 10, 2024
(Electronic) Receipt
Jan 10, 2024
Advice of delivery
Jan 10, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Jan 10, 2024
Letter accompanying subsequently filed items
Dec 20, 2023
F3345 Forwarding of submissions to parties
Dec 14, 2023
F3018 Oral proceedings: Confirmation interpreters
Dec 14, 2023
F3018 Oral proceedings: Confirmation interpreters
Nov 22, 2023
F3345 Forwarding of submissions to parties
Nov 15, 2023
(Electronic) Receipt
Nov 15, 2023
Letter accompanying subsequently filed items
Nov 15, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 12, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 12, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
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
Sep 9, 2023
F3345 Forwarding of submissions to parties
Sep 5, 2023
F3011.1 Oral Proceedings: summons
Sep 5, 2023
F3011.1 Oral Proceedings: summons
Sep 4, 2023
(Electronic) Receipt
Sep 4, 2023
Letter accompanying subsequently filed items
Sep 4, 2023
Letter dealing with oral proceedings during the appeal procedure
Aug 31, 2023
F3010 Oral proceedings: order for summons
May 17, 2023
Composition of the board (T)
Mar 3, 2023
F3345 Forwarding of submissions to parties
Feb 24, 2023
(Electronic) Receipt
Feb 24, 2023
Letter accompanying subsequently filed items
Feb 24, 2023
Letter relating to Appeal Procedure
Nov 9, 2022
F3345 Forwarding of submissions to parties
Nov 3, 2022
(Electronic) Receipt
Nov 3, 2022
Amended claims with annotations
Nov 3, 2022
Amended claims with annotations
Nov 3, 2022
Auxiliary request during appeals procedure - 01
Nov 3, 2022
Auxiliary request during appeals procedure - 02
Nov 3, 2022
Letter accompanying subsequently filed items
Nov 3, 2022
Letter relating to Appeal Procedure
Jan 26, 2022
F3345 Forwarding of submissions to parties
Jan 20, 2022
(Electronic) Receipt
Jan 20, 2022
Letter accompanying subsequently filed items
Jan 20, 2022
Reply to appeal
Sep 30, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 24, 2021
(Electronic) Receipt
Sep 24, 2021
Letter accompanying subsequently filed items
Sep 24, 2021
Statement of grounds of appeal
Sep 7, 2021
F3204 Communication of the file number to the parties
Sep 7, 2021
F3204 Communication of the file number to the parties
Jul 23, 2021
(Electronic) Receipt
Jul 23, 2021
Letter accompanying subsequently filed items
Jul 23, 2021
Notice of appeal
May 21, 2021
Advice of delivery
May 14, 2021
Decision of the Opposition Division and instruction
May 14, 2021
Provision of a copy of the minutes - opposition procedure
May 14, 2021
Transmittal of decision / summons - opposition
Mar 12, 2021
Brief communication - Opposition proceedings
Mar 11, 2021
Brief communication - Opposition proceedings
Mar 11, 2021
Information about the result of oral proceedings
Mar 5, 2021
(Electronic) Receipt
Mar 5, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Written submission in preparation to/during oral proceedings
Mar 3, 2021
(Electronic) Receipt
Mar 3, 2021
Letter accompanying subsequently filed items
Mar 3, 2021
Written submission in preparation to/during oral proceedings
Feb 26, 2021
Brief communication - Opposition proceedings
Feb 19, 2021
Communication of the registration of a transfer or change of name and/or address
Feb 8, 2021
Authorisation
Feb 8, 2021
Miscellaneous requests concerning client data
Jan 18, 2021
Indication of deficiencies in a request for entry of a change in personal particulars and invitation to correct them
Jan 12, 2021
(Electronic) Receipt
Jan 12, 2021
Letter accompanying subsequently filed items
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
Request for interpreters during oral proceedings
Dec 22, 2020
Notification concerning the date of oral proceedings
Dec 22, 2020
Notification concerning the date of oral proceedings
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
Submission concerning change of proprietor's name
Jul 8, 2020
(Electronic) Receipt
Jul 8, 2020
Advice of delivery
Jul 8, 2020
Letter accompanying subsequently filed items
Jun 17, 2020
(Electronic) Receipt
Jun 17, 2020
Advice of delivery
Jun 17, 2020
Letter accompanying subsequently filed items
Jun 12, 2020
Acknowledgement of a document
Jun 12, 2020
Acknowledgement of a document
Jun 12, 2020
Annex to the communication - opposition
Jun 12, 2020
Information concerning oral proceedings
Jun 12, 2020
Summons to attend oral proceedings
Jun 12, 2020
Summons to attend oral proceedings
Mar 31, 2020
(Electronic) Receipt
Mar 31, 2020
Advice of delivery
Mar 31, 2020
Letter accompanying subsequently filed items
Mar 18, 2020
Brief communication - Opposition proceedings
Mar 16, 2020
Acknowledgement of a document
Mar 16, 2020
Acknowledgement of a document
Mar 16, 2020
Notification concerning the date of oral proceedings
Mar 16, 2020
Notification concerning the date of oral proceedings
Mar 12, 2020
Brief communication - Opposition proceedings
Mar 10, 2020
(Electronic) Receipt
Mar 10, 2020
Letter accompanying subsequently filed items
Mar 10, 2020
Written submission in preparation to/during oral proceedings
Mar 9, 2020
(Electronic) Receipt
Mar 9, 2020
Advice of delivery
Mar 9, 2020
Letter accompanying subsequently filed items
Mar 9, 2020
Notification concerning the date of oral proceedings
Mar 9, 2020
Notification concerning the date of oral proceedings
Mar 9, 2020
Written submission in preparation to/during oral proceedings
Mar 6, 2020
(Electronic) Receipt
Mar 6, 2020
Letter accompanying subsequently filed items
Mar 6, 2020
Oral proceedings: Request for postponement
Jan 21, 2020
Brief communication - Opposition proceedings
Jan 13, 2020
(Electronic) Receipt
Jan 13, 2020
Letter accompanying subsequently filed items
Jan 13, 2020
Written submission in preparation to/during oral proceedings
Aug 28, 2019
Brief communication - Opposition proceedings
Aug 28, 2019
Brief communication - Opposition proceedings
Aug 28, 2019
Information concerning oral proceedings
Aug 28, 2019
Information concerning oral proceedings
Aug 28, 2019
Summons to attend oral proceedings
Aug 28, 2019
Summons to attend oral proceedings
Aug 16, 2019
Brief communication - Opposition proceedings
Aug 1, 2019
(Electronic) Receipt
Aug 1, 2019
(Electronic) Receipt
Aug 1, 2019
Advice of delivery
Aug 1, 2019
Letter accompanying subsequently filed items
Aug 1, 2019
Request for interpreters during oral proceedings
Jul 30, 2019
Advice of delivery
Jul 30, 2019
Advice of delivery
Jul 22, 2019
Acknowledgement of a document
Jul 22, 2019
Acknowledgement of a document
Jul 22, 2019
Annex to the communication - opposition
Jul 22, 2019
Information concerning oral proceedings
Jul 22, 2019
Summons to attend oral proceedings
Jul 22, 2019
Summons to attend oral proceedings
Mar 12, 2019
Brief communication - Opposition proceedings
Mar 4, 2019
(Electronic) Receipt
Mar 4, 2019
Citation in opposition procedure - 006
Mar 4, 2019
Letter accompanying subsequently filed items
Mar 4, 2019
Reply of the patent proprietor to the notice(s) of opposition
Dec 17, 2018
Brief communication - Opposition proceedings
Dec 7, 2018
(Electronic) Receipt
Dec 7, 2018
Any annexes (other than citation) to an opposition letter
Dec 7, 2018
Letter accompanying subsequently filed items
Dec 7, 2018
Letter regarding the opposition procedure (no time limit)
Oct 25, 2018
Communication of a notice of opposition and request to file observations
Oct 25, 2018
Notice of further oppositions to opponent(s)
Oct 16, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 8, 2018
(Electronic) Receipt
Oct 8, 2018
Citation in opposition procedure - 001
Oct 8, 2018
Citation in opposition procedure - 002
Oct 8, 2018
Citation in opposition procedure - 003
Oct 8, 2018
Citation in opposition procedure - 004
Oct 8, 2018
Citation in opposition procedure - 005
Oct 8, 2018
Citation in opposition procedure - 006
Oct 8, 2018
Citation in opposition procedure - 007
Oct 8, 2018
Citation in opposition procedure - 008
Oct 8, 2018
Citation in opposition procedure - 009
Oct 8, 2018
Citation in opposition procedure - 010
Oct 8, 2018
Citation in opposition procedure - 011
Oct 8, 2018
Notice of opposition
Oct 8, 2018
Notice of opposition
May 28, 2018
Communication of amended entries concerning the representative
May 17, 2018
Submission concerning change of applicant's representative
Jan 26, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 14, 2017
Decision to grant a European patent
Nov 24, 2017
(Electronic) Receipt
Nov 24, 2017
Filing of the translations of the claims
Nov 24, 2017
French translation of claims
Nov 24, 2017
German translation of the claims
Nov 24, 2017
Letter accompanying subsequently filed items
Sep 22, 2017
Bibliographic data of the European patent application
Sep 22, 2017
Communication about intention to grant a European patent
Sep 22, 2017
Intention to grant (signatures)
Sep 22, 2017
Text intended for grant (clean copy)
Sep 22, 2017
Text intended for grant (version for approval)
May 2, 2017
(Electronic) Receipt
May 2, 2017
Amended claims with annotations
May 2, 2017
Amended description with annotations
May 2, 2017
Claims
May 2, 2017
Description
May 2, 2017
Letter accompanying subsequently filed items
May 2, 2017
Reply to communication from the Examining Division
Dec 19, 2016
Annex to the communication
Dec 19, 2016
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 12, 2016
(Electronic) Receipt
Sep 12, 2016
Amended claims with annotations
Sep 12, 2016
Amended description with annotations
Sep 12, 2016
Claims
Sep 12, 2016
Description
Sep 12, 2016
Letter accompanying subsequently filed items
Sep 12, 2016
Reply to communication from the Examining Division
May 2, 2016
Annex to the communication
May 2, 2016
Communication from the Examining Division
Feb 22, 2016
CDS Clean up - amended applicant details
Jan 21, 2016
(Electronic) Receipt
Jan 21, 2016
Amended claims with annotations
Jan 21, 2016
Amended description with annotations
Jan 21, 2016
Claims
Jan 21, 2016
Description
Jan 21, 2016
Letter accompanying subsequently filed items
Jan 21, 2016
Reply to communication from the Examining Division
Sep 11, 2015
Annex to the communication
Sep 11, 2015
Communication from the Examining Division
Jul 22, 2015
Communication regarding the transmission of the European search report
Jul 22, 2015
Supplementary European search report
Jul 15, 2015
Search started
Apr 14, 2015
(Electronic) Receipt
Apr 14, 2015
General enquiry
Apr 14, 2015
Letter accompanying subsequently filed items
Apr 10, 2015
Communication to applicant regarding observations by third parties
Mar 9, 2015
Non-patent literature filed by a third party
Mar 9, 2015
Non-patent literature filed by a third party
Mar 9, 2015
Non-patent literature filed by a third party
Mar 9, 2015
Non-patent literature filed by a third party
Mar 9, 2015
Observations by third parties
Mar 9, 2015
Patent document filed by a Third party
Mar 9, 2015
Patent document filed by a Third party
Mar 9, 2015
Patent document filed by a Third party
Mar 9, 2015
Patent document filed by a Third party
Nov 12, 2014
Notification on forthcoming publication of bibliographic data
Sep 5, 2014
Communication to designated inventor
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
Jun 27, 2014
Information on entry into European phase
Jun 19, 2014
Republication of front page of international application with corrected bibliographic data
Jun 17, 2014
(Electronic) Receipt
Jun 17, 2014
Amended claims filed after receipt of (European) search report
Jun 17, 2014
Amended claims with annotations
Jun 17, 2014
Amendments received before examination
Jun 17, 2014
Request for entry into the European phase
Jun 12, 2014
Communication in cases for which no other form is applicable
Jun 4, 2014
Reminder for payment period (examination fee/designation fees)
Jun 2, 2014
Priority document (electronically transmitted)
May 20, 2014
Notification of the recording of a change
May 20, 2014
Notification of the recording of a change
Sep 11, 2013
Priority document (electronically transmitted)
Sep 11, 2013
Priority document (electronically transmitted)

EP2809881

MTU AERO ENGINES

Application Number: EP13749721A
Filing Date: Jan 18, 2013
Status: Revoked; Jan 26, 2024
Publication Date: Jan 10, 2018
External Links: Slate, Register , Google Patents

IP Verse

Low Noise Compressor Rotor For Geared Turbofan Engine

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2809881