Pitch Control System

Patent No. EP3186146 (titled "Pitch Control System") was filed by Sikorsky Aircraft on Aug 27, 2015. The application was issued on Oct 9, 2019.

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
AIRBUS HELICOPTERS	May 27, 2020	GPI BREVETS

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 29, 2024
Decision of the Board of Appeal
Feb 29, 2024
F3032 Notification(s) of the decision
Feb 29, 2024
F3032 Notification(s) of the decision
Aug 22, 2022
F3345 Forwarding of submissions to parties
Aug 17, 2022
(Electronic) Receipt
Aug 17, 2022
Letter accompanying subsequently filed items
Aug 17, 2022
Letter relating to Appeal Procedure
Aug 3, 2022
Communication pursuant to R.84(1) EPC: patent lapsed
Aug 3, 2022
Communication pursuant to R.84(1) EPC: patent lapsed
Aug 3, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 3, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 28, 2022
Composition of the board (T)
May 30, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 23, 2022
(Electronic) Receipt
May 23, 2022
Letter accompanying subsequently filed items
May 23, 2022
Non-Patent Literature cited during the appeal procedure
May 23, 2022
Statement of grounds of appeal
Mar 2, 2022
F3204 Communication of the file number to the parties
Mar 2, 2022
F3204 Communication of the file number to the parties
Feb 24, 2022
(Electronic) Receipt
Feb 24, 2022
Letter accompanying subsequently filed items
Feb 24, 2022
Notice of appeal
Feb 17, 2022
Annex to the communication - opposition
Feb 17, 2022
Decision of the Opposition Division and instruction
Feb 17, 2022
Decision rejecting the opposition
Feb 17, 2022
Decision rejecting the opposition
Feb 17, 2022
Grounds for the decision (Annex) - opposition
Feb 17, 2022
Means of redress
Feb 17, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 17, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 17, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 17, 2022
Provision of a copy of the minutes - opposition procedure
Feb 17, 2022
Provision of a copy of the minutes - opposition procedure
Feb 17, 2022
Transmittal of decision / summons - opposition
Feb 17, 2022
Transmittal of decision / summons - opposition
Jan 20, 2022
Information about the result of oral proceedings
Dec 23, 2021
Notification concerning the date of oral proceedings
Dec 23, 2021
Notification concerning the date of oral proceedings
Dec 17, 2021
Brief communication - Opposition proceedings
Dec 10, 2021
Brief communication - Opposition proceedings
Dec 9, 2021
Letter regarding the opposition procedure (no time limit)
Dec 6, 2021
(Electronic) Receipt
Dec 6, 2021
Brief communication - Opposition proceedings
Dec 6, 2021
Brief communication - Opposition proceedings
Dec 6, 2021
Letter accompanying subsequently filed items
Dec 6, 2021
Request for interpreters during oral proceedings
Jul 5, 2021
Notification concerning the date of oral proceedings
Jul 5, 2021
Notification concerning the date of oral proceedings
May 25, 2021
Brief communication - Opposition proceedings
May 18, 2021
(Electronic) Receipt
May 18, 2021
Citation in opposition procedure - 015
May 18, 2021
Citation in opposition procedure - 016
May 18, 2021
Citation in opposition procedure - 017
May 18, 2021
Consolidated list of cited opposition documents
May 18, 2021
Letter accompanying subsequently filed items
May 18, 2021
Written submission in preparation to/during oral proceedings
Apr 9, 2021
Advice of delivery
Apr 7, 2021
Advice of delivery
Apr 1, 2021
Annex to the communication - opposition
Apr 1, 2021
Information concerning oral proceedings
Apr 1, 2021
Summons to attend oral proceedings
Apr 1, 2021
Summons to attend oral proceedings
Apr 1, 2021
Transmittal of decision / summons - opposition
Apr 1, 2021
Transmittal of decision / summons - opposition
Jul 21, 2020
Communication of a notice of opposition and request to file observations
Jul 21, 2020
Notice of further oppositions to opponent(s)
Jun 3, 2020
Communication of a notice of opposition - first information to patent proprietor
May 27, 2020
(Electronic) Receipt
May 27, 2020
Citation in opposition procedure - 001
May 27, 2020
Citation in opposition procedure - 002
May 27, 2020
Citation in opposition procedure - 003
May 27, 2020
Citation in opposition procedure - 004
May 27, 2020
Citation in opposition procedure - 005
May 27, 2020
Citation in opposition procedure - 006
May 27, 2020
Citation in opposition procedure - 007
May 27, 2020
Citation in opposition procedure - 008
May 27, 2020
Citation in opposition procedure - 009
May 27, 2020
Citation in opposition procedure - 010
May 27, 2020
Citation in opposition procedure - 011
May 27, 2020
Citation in opposition procedure - 012
May 27, 2020
Citation in opposition procedure - 013
May 27, 2020
Citation in opposition procedure - 014
May 27, 2020
International publication (Pamphlet)
May 27, 2020
Notice of opposition
May 27, 2020
Notice of opposition
Oct 21, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 12, 2019
Decision to grant a European patent
Jul 12, 2019
Filing of the translations of the claims
Jul 12, 2019
French translation of claims
Jul 12, 2019
German translation of the claims
Jul 12, 2019
Letter concerning the grant and printing fee
Mar 13, 2019
Bibliographic data of the European patent application
Mar 13, 2019
Communication about intention to grant a European patent
Mar 13, 2019
Intention to grant (signatures)
Mar 13, 2019
Text intended for grant (clean copy)
Mar 13, 2019
Text intended for grant (version for approval)
Feb 4, 2019
Examination started
Dec 14, 2018
Submission concerning representation
Oct 18, 2018
Amended claims filed after receipt of (European) search report
Oct 18, 2018
Amended claims with annotations
Oct 18, 2018
Amended description filed after receipt of (European) search report
Oct 18, 2018
Amended description with annotations
Oct 18, 2018
Amendments received before examination
Apr 13, 2018
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Mar 28, 2018
Communication regarding the transmission of the European search report
Mar 28, 2018
European search opinion
Mar 28, 2018
Information on Search Strategy
Mar 28, 2018
Supplementary European search report
Mar 9, 2018
Search started
Jun 8, 2017
Notification on forthcoming publication of bibliographic data
May 24, 2017
Communication of amended entries concerning the representative
May 10, 2017
Submission concerning change of applicant's representative
May 10, 2017
Submission concerning change of applicant's representative
Apr 4, 2017
Communication regarding possible amendment of the application/payment of claims fee
Mar 31, 2017
Communication to designated inventor
Mar 31, 2017
Communication to designated inventor
Mar 31, 2017
Communication to designated inventor
Mar 16, 2017
(Electronic) Receipt
Mar 16, 2017
Amended claims filed after receipt of (European) search report
Mar 16, 2017
Amended claims with annotations
Mar 16, 2017
Request for entry into the European phase
Mar 13, 2017
Copy of the international preliminary report on patentability
Jan 27, 2017
Information on entry into European phase
Jun 16, 2016
Copy of the international search report
Jun 16, 2016
International publication of the international search report
Apr 13, 2016
Priority document (electronically transmitted)
Mar 24, 2016
Published international application - A2

EP3186146

SIKORSKY AIRCRAFT

Application Number: EP15842277A
Filing Date: Aug 27, 2015
Status: Revoked; Mar 13, 2024
Publication Date: Oct 9, 2019
External Links: Slate, Register , Google Patents

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Pitch Control System

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Dossier Documents

EP3186146