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Rotary Wing Aircraft Provided With A Rear Rotor, And Method For Optimising The Operation Of A Rear Rotor

Patent No. EP2631174 (titled "Rotary Wing Aircraft Provided With A Rear Rotor, And Method For Optimising The Operation Of A Rear Rotor") was filed by Airbus Helicopters on Jan 21, 2013. The application was issued on Mar 15, 2017.

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
LEONARDO	Dec 15, 2017	DI SCIUVA

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 8, 2022
Refund of fees
Feb 4, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 4, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 1, 2022
Termination of the opposition proceedings with maintenance of patent
Jan 31, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 31, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 31, 2022
Oral proceedings: change of venue
Jan 31, 2022
Oral proceedings: change of venue
Jan 28, 2022
(Electronic) Receipt
Jan 28, 2022
F3014 Oral Proceedings: Order cancelling/postponing
Jan 28, 2022
Letter accompanying subsequently filed items
Jan 28, 2022
Withdrawal of an appeal
Dec 22, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 22, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 14, 2021
Advice of delivery
Jun 8, 2021
F3011.1 Oral Proceedings: summons
Jun 8, 2021
F3011.1 Oral Proceedings: summons
Jun 2, 2021
F3010 Oral proceedings: order for summons
Feb 26, 2021
Communication of amended entries concerning the representative
Feb 1, 2021
Submission concerning change of applicant's representative
Jul 14, 2020
Composition of the board (T)
Jan 21, 2020
F3345 Forwarding of submissions to parties
Jan 16, 2020
(Electronic) Receipt
Jan 16, 2020
Letter accompanying subsequently filed items
Jan 16, 2020
Reply to appeal
Sep 20, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 13, 2019
(Electronic) Receipt
Sep 13, 2019
Letter accompanying subsequently filed items
Sep 13, 2019
Non-Patent Literature cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Patent Document cited during the appeal procedure
Sep 13, 2019
Statement of grounds of appeal
Jul 15, 2019
F3204 Communication of the file number to the parties
Jul 15, 2019
F3204 Communication of the file number to the parties
Jul 9, 2019
Processing of an appeal
Jul 5, 2019
(Electronic) Receipt
Jul 5, 2019
Letter accompanying subsequently filed items
Jul 5, 2019
Notice of appeal
May 31, 2019
Advice of delivery
May 16, 2019
Advice of delivery
May 15, 2019
Advice of delivery
May 13, 2019
Advice of delivery
May 6, 2019
Acknowledgement of a document
May 6, 2019
Acknowledgement of a document
May 6, 2019
Annex to the communication - opposition
May 6, 2019
Decision of the Opposition Division and instruction
May 6, 2019
Decision rejecting the opposition
May 6, 2019
Grounds for the decision (Annex) - opposition
May 6, 2019
Internal form - Opposition/addressees
May 6, 2019
Internal form - Opposition/addressees
May 6, 2019
Means of redress
May 6, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 6, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 6, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 6, 2019
Provision of a copy of the minutes - opposition procedure
Apr 8, 2019
Information about the result of oral proceedings
Apr 4, 2019
Brief communication - Opposition proceedings
Apr 1, 2019
(Electronic) Receipt
Apr 1, 2019
Letter accompanying subsequently filed items
Apr 1, 2019
Letter dealing with oral proceedings
Mar 12, 2019
Brief communication - Opposition proceedings
Mar 7, 2019
(Electronic) Receipt
Mar 7, 2019
Letter accompanying subsequently filed items
Mar 7, 2019
Written submission in preparation to/during oral proceedings
Feb 14, 2019
Brief communication - Opposition proceedings
Feb 8, 2019
(Electronic) Receipt
Feb 8, 2019
Letter accompanying subsequently filed items
Feb 8, 2019
Non-patent literature cited during the opposition procedure
Feb 8, 2019
Non-patent literature cited during the opposition procedure
Feb 8, 2019
Non-patent literature cited during the opposition procedure
Feb 8, 2019
Non-patent literature cited during the opposition procedure
Feb 8, 2019
Non-patent literature cited during the opposition procedure
Feb 8, 2019
Non-patent literature cited during the opposition procedure
Feb 8, 2019
Non-patent literature cited during the opposition procedure
Feb 8, 2019
Patent document cited during the opposition procedure
Feb 8, 2019
Patent document cited during the opposition procedure
Feb 8, 2019
Patent document cited during the opposition procedure
Feb 8, 2019
Written submission in preparation to/during oral proceedings
Feb 7, 2019
Brief communication - Opposition proceedings
Feb 7, 2019
Brief communication - Opposition proceedings
Feb 4, 2019
(Electronic) Receipt
Feb 4, 2019
Letter accompanying subsequently filed items
Nov 16, 2018
(Electronic) Receipt
Nov 16, 2018
Letter accompanying subsequently filed items
Nov 16, 2018
Request for interpreters during oral proceedings
Oct 19, 2018
Advice of delivery
Oct 1, 2018
Advice of delivery
Sep 27, 2018
Advice of delivery
Sep 24, 2018
Advice of delivery
Sep 18, 2018
Acknowledgement of a document
Sep 18, 2018
Acknowledgement of a document
Sep 18, 2018
Annex to the communication - opposition
Sep 18, 2018
Information concerning oral proceedings
Sep 18, 2018
Preparation for oral proceedings
Sep 18, 2018
Summons to attend oral proceedings
Sep 18, 2018
Summons to attend oral proceedings
May 11, 2018
Brief communication - Opposition proceedings
May 4, 2018
(Electronic) Receipt
May 4, 2018
Letter accompanying subsequently filed items
May 4, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jan 9, 2018
Communication of a notice of opposition and request to file observations
Jan 9, 2018
Notice of further oppositions to opponent(s)
Dec 21, 2017
Communication of a notice of opposition - first information to patent proprietor
Dec 15, 2017
(Electronic) Receipt
Dec 15, 2017
Any annexes (other than citation) to an opposition letter
Dec 15, 2017
Non-patent literature cited during the opposition procedure
Dec 15, 2017
Non-patent literature cited during the opposition procedure
Dec 15, 2017
Non-patent literature cited during the opposition procedure
Dec 15, 2017
Non-patent literature cited during the opposition procedure
Dec 15, 2017
Notice of opposition
Dec 15, 2017
Notice of opposition
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Submission concerning representation
Mar 16, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 16, 2017
Decision to grant a European patent
Feb 3, 2017
English translation of the claims
Feb 3, 2017
Filing of the translations of the claims
Feb 3, 2017
German translation of the claims
Feb 3, 2017
Letter concerning fees and payments
Nov 11, 2016
Bibliographic data of the European patent application
Nov 11, 2016
Communication about intention to grant a European patent
Nov 11, 2016
Intention to grant (signatures)
Nov 11, 2016
Text intended for grant (clean copy)
Nov 11, 2016
Text intended for grant (version for approval)
Jul 1, 2016
Amended claims with annotations
Jul 1, 2016
Claims
Jul 1, 2016
Reply to communication from the Examining Division
Apr 22, 2016
Annex to the communication
Apr 22, 2016
Communication from the Examining Division
Sep 24, 2015
Examination started
Dec 5, 2014
Transmittal of third party observations to applicant
Nov 20, 2014
Observations by third parties
Nov 20, 2014
Patent document filed by a Third party
Nov 20, 2014
Patent document filed by a Third party
Nov 20, 2014
Patent document filed by a Third party
Jun 4, 2014
CDS Clean up - amended data concerning the representative for the applicant
Feb 11, 2014
Submission concerning change of applicant's name
Feb 7, 2014
Communication of the registration of a transfer or change of name and/or address
Feb 4, 2014
Submission concerning change of applicant's name
Jan 21, 2014
Amended claims filed after receipt of (European) search report
Jan 21, 2014
Amended claims with annotations
Jan 21, 2014
Amendments received before examination
Jan 21, 2014
Payment of fees and costs
Jan 21, 2014
Payment of fees and costs
Sep 2, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jul 31, 2013
Notification of forthcoming publication
Apr 3, 2013
Refund of fees
Mar 15, 2013
Communication to designated inventor
Mar 13, 2013
Communication regarding the transmission of the European search report
Mar 13, 2013
European search opinion
Mar 13, 2013
European search report
Mar 7, 2013
Modified abstract
Feb 5, 2013
Priority search results copy provided by EPO
Jan 30, 2013
Abstract
Jan 30, 2013
Claims
Jan 30, 2013
Description
Jan 30, 2013
Designation of inventor
Jan 30, 2013
Drawings
Jan 30, 2013
Letter concerning search matters
Jan 30, 2013
Payment of fees and costs
Jan 30, 2013
Priority document
Jan 30, 2013
Request for grant of a European patent
Jan 21, 2013
Designation of inventor
Jan 21, 2013
Matter concerning the application
Jan 21, 2013
Payment of fees and costs
Jan 21, 2013
Priority search results
Jan 21, 2013
Request for grant of a European patent
Jan 21, 2013
Specification filed by fax and/or in non-official language

EP2631174

AIRBUS HELICOPTERS

Application Number: EP13000285A
Filing Date: Jan 21, 2013
Status: Opposition Rejected; Feb 4, 2022
Publication Date: Mar 15, 2017
External Links: Slate, Register , Google Patents