IP Verse

Dual Pump Fuel Flow System For A Gas Turbine Engine And Method Of Controlling

Patent No. EP2500552 (titled "Dual Pump Fuel Flow System For A Gas Turbine Engine And Method Of Controlling") was filed by Hamilton Sundstrand on Mar 19, 2012. The application was issued on Jun 21, 2023.

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
SAFRAN AIRCRAFT ENGINES	Mar 28, 2018	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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May 25, 2023
Decision to maintain the European patent in amended form
May 25, 2023
Decision to maintain the European patent in amended form
May 19, 2023
Termination of the opposition proceedings with maintenance of patent
May 16, 2023
(Electronic) Receipt
May 16, 2023
Description
May 16, 2023
Filing of the translation of the amended claims
May 16, 2023
French translation of claims
May 16, 2023
German translation of the claims
May 16, 2023
Letter accompanying subsequently filed items
Feb 6, 2023
Communication of bibliographic data
Feb 6, 2023
Communication to opponent concerning maintenance
Feb 6, 2023
Communication with request to file translations
Jan 30, 2023
Maintenance of the patent with the documents specified in the final decision
Jan 30, 2023
OPPODREX with handwritten amendments
Jan 26, 2023
Decision of the Board of Appeal
Jan 26, 2023
F3032 Notification(s) of the decision
Jan 26, 2023
F3032 Notification(s) of the decision
Dec 23, 2022
Description submitted during oral proceedings
Dec 23, 2022
F3013 Oral Proceedings: Forwarding minutes
Dec 23, 2022
F3013 Oral Proceedings: Forwarding minutes
Dec 23, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Dec 6, 2022
F3345 Forwarding of submissions to parties
Dec 2, 2022
(Electronic) Receipt
Dec 2, 2022
Letter accompanying subsequently filed items
Nov 18, 2022
Advice of delivery
Nov 18, 2022
F3345 Forwarding of submissions to parties
Nov 15, 2022
(Electronic) Receipt
Nov 15, 2022
Letter accompanying subsequently filed items
Nov 10, 2022
F3345 Forwarding of submissions to parties
Nov 4, 2022
(Electronic) Receipt
Nov 4, 2022
Letter accompanying subsequently filed items
Nov 3, 2022
F3018 Oral proceedings: Confirmation interpreters
Nov 3, 2022
F3018 Oral proceedings: Confirmation interpreters
Nov 3, 2022
F3345 Forwarding of submissions to parties
Nov 3, 2022
Oral proceedings: change of venue
Nov 3, 2022
Oral proceedings: change of venue
Oct 28, 2022
(Electronic) Receipt
Oct 28, 2022
Letter accompanying subsequently filed items
Oct 28, 2022
Letter dealing with oral proceedings during the appeal procedure
Oct 4, 2022
F3345 Forwarding of submissions to parties
Sep 26, 2022
(Electronic) Receipt
Sep 26, 2022
Letter dealing with oral proceedings during the appeal procedure
Sep 26, 2022
Written submission in preparation to/during oral proceedings
Sep 22, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 22, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 21, 2022
Advice of delivery
Mar 14, 2022
F3011.1 Oral Proceedings: summons
Mar 14, 2022
F3011.1 Oral Proceedings: summons
Mar 9, 2022
F3010 Oral proceedings: order for summons
May 3, 2021
F3345 Forwarding of submissions to parties
Apr 28, 2021
(Electronic) Receipt
Apr 28, 2021
Letter accompanying subsequently filed items
Apr 28, 2021
Letter relating to Appeal Procedure
Mar 24, 2021
F3345 Forwarding of submissions to parties
Mar 19, 2021
(Electronic) Receipt
Mar 19, 2021
Letter accompanying subsequently filed items
Mar 19, 2021
Letter relating to Appeal Procedure
Nov 27, 2020
Composition of the board (T)
Oct 7, 2020
F3345 Forwarding of submissions to parties
Oct 2, 2020
(Electronic) Receipt
Oct 2, 2020
Letter accompanying subsequently filed items
Oct 2, 2020
Letter relating to Appeal Procedure
Aug 27, 2020
F3345 Forwarding of submissions to parties
Aug 5, 2020
(Electronic) Receipt
Aug 5, 2020
Amended claims with annotations
Aug 5, 2020
Amended claims with annotations
Aug 5, 2020
Amended claims with annotations
Aug 5, 2020
Amended claims with annotations
Aug 5, 2020
Amended claims with annotations
Aug 5, 2020
Claims
Aug 5, 2020
Claims
Aug 5, 2020
Claims
Aug 5, 2020
Claims
Aug 5, 2020
Claims
Aug 5, 2020
Letter accompanying subsequently filed items
Aug 5, 2020
Reply to appeal
Mar 26, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 20, 2020
(Electronic) Receipt
Mar 20, 2020
Letter accompanying subsequently filed items
Mar 20, 2020
Statement of grounds of appeal
Feb 5, 2020
F3204 Communication of the file number to the parties
Feb 5, 2020
F3204 Communication of the file number to the parties
Jan 27, 2020
(Electronic) Receipt
Jan 27, 2020
Letter accompanying subsequently filed items
Jan 27, 2020
Notice of appeal
Jan 6, 2020
Advice of delivery
Jan 3, 2020
Communication about missing advice of delivery
Dec 2, 2019
Advice of delivery
Nov 27, 2019
Acknowledgement of a document
Nov 27, 2019
Acknowledgement of a document
Nov 27, 2019
Annex to the communication - opposition
Nov 27, 2019
Decision of the Opposition Division and instruction
Nov 27, 2019
Druckexemplar in opposition procedure
Nov 27, 2019
Grounds for the decision (Annex) - opposition
Nov 27, 2019
Interlocutory decision in opposition proceedings
Nov 27, 2019
Internal form - Opposition/addressees
Nov 27, 2019
Internal form - Opposition/addressees
Nov 27, 2019
Means of redress
Nov 27, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 27, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 27, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 27, 2019
Provision of a copy of the minutes - opposition procedure
Nov 27, 2019
Scanned annex to a communication - opposition procedure
Sep 25, 2019
Information about the result of oral proceedings
Jul 30, 2019
Brief communication - Opposition proceedings
Jul 26, 2019
Brief communication - Opposition proceedings
Jul 23, 2019
(Electronic) Receipt
Jul 23, 2019
Request for interpreters during oral proceedings
Jul 23, 2019
Written submission in preparation to/during oral proceedings
Jul 22, 2019
Brief communication - Opposition proceedings
Jul 18, 2019
(Electronic) Receipt
Jul 18, 2019
Letter accompanying subsequently filed items
Jul 18, 2019
Written submission in preparation to/during oral proceedings
Jul 16, 2019
Brief communication - Opposition proceedings
Jul 12, 2019
(Electronic) Receipt
Jul 12, 2019
Request for interpreters during oral proceedings
Jul 10, 2019
Brief communication - Opposition proceedings
Jul 8, 2019
(Electronic) Receipt
Jul 8, 2019
Request for interpreters during oral proceedings
Jun 11, 2019
Brief communication - Opposition proceedings
Jun 11, 2019
Brief communication - Opposition proceedings
Mar 28, 2019
Advice of delivery
Mar 11, 2019
Communication about missing advice of delivery
Feb 11, 2019
Advice of delivery
Feb 4, 2019
Advice of delivery
Jan 28, 2019
Acknowledgement of a document
Jan 28, 2019
Acknowledgement of a document
Jan 28, 2019
Annex to the communication - opposition
Jan 28, 2019
Information concerning oral proceedings
Jan 28, 2019
Summons to attend oral proceedings
Jan 28, 2019
Summons to attend oral proceedings
Jan 21, 2019
Information about the result of oral proceedings
Aug 31, 2018
Brief communication - Opposition proceedings
Aug 23, 2018
(Electronic) Receipt
Aug 23, 2018
Amended claims with annotations
Aug 23, 2018
Amended claims with annotations
Aug 23, 2018
Claims
Aug 23, 2018
Claims
Aug 23, 2018
Letter accompanying subsequently filed items
Aug 23, 2018
Reply of the patent proprietor to the notice(s) of opposition
May 28, 2018
Communication of amended entries concerning the representative
May 17, 2018
Submission concerning change of applicant's representative
Apr 13, 2018
Communication of a notice of opposition and request to file observations
Apr 13, 2018
Notice of further oppositions to opponent(s)
Apr 9, 2018
Communication of a notice of opposition - first information to patent proprietor
Mar 28, 2018
(Electronic) Receipt
Mar 28, 2018
Notice of opposition
Mar 28, 2018
Notice of opposition
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Mar 28, 2018
Patent document cited during the opposition procedure
Jun 28, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 1, 2017
Decision to grant a European patent
May 17, 2017
(Electronic) Receipt
May 17, 2017
Filing of the translations of the claims
May 17, 2017
French translation of claims
May 17, 2017
German translation of the claims
May 17, 2017
Letter accompanying subsequently filed items
Mar 15, 2017
Bibliographic data of the European patent application
Mar 15, 2017
Communication about intention to grant a European patent
Mar 15, 2017
Intention to grant (signatures)
Mar 15, 2017
Text intended for grant (clean copy)
Mar 15, 2017
Text intended for grant (version for approval)
Jan 23, 2017
Examination started
Aug 9, 2016
Communication of amended entries concerning the representative
Aug 1, 2016
Submission concerning change of applicant's representative
Jul 26, 2016
Response to enquiry for communication from the Examining Division
Jul 20, 2016
Enquiry as to when a communication from the Examining Division can be expected
Aug 12, 2015
Communication of amended entries concerning the representative
Jul 29, 2015
Annexes in respect of a client data request
Jul 29, 2015
Submission concerning change of applicant's representative
Feb 6, 2014
Decision to allow further processing
Jan 22, 2014
(Electronic) Receipt
Jan 22, 2014
Amended claims filed after receipt of (European) search report
Jan 22, 2014
Amended claims with annotations
Jan 22, 2014
Amended description filed after receipt of (European) search report
Jan 22, 2014
Amended description with annotations
Jan 22, 2014
Letter accompanying subsequently filed items
Jan 22, 2014
Request for further processing
Nov 27, 2013
Application deemed to be withdrawn (non-reply to Written Opinion)
Oct 17, 2013
(Electronic) Receipt
Oct 17, 2013
Letter concerning fees and payments
Jul 11, 2013
CDS Clean up - amended data concerning the representative for the applicant
Apr 22, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Mar 20, 2013
Communication regarding the transmission of the European search report
Mar 20, 2013
European search opinion
Mar 20, 2013
European search report
Aug 22, 2012
Notification of forthcoming publication
May 25, 2012
Confirmation of receipt of (electronically) transmitted priority document
May 21, 2012
Priority document (electronically transmitted)
Mar 19, 2012
Abstract
Mar 19, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 19, 2012
Claims
Mar 19, 2012
Description
Mar 19, 2012
Designation of inventor
Mar 19, 2012
Drawings
Mar 19, 2012
Request for grant of a European patent

EP2500552

HAMILTON SUNDSTRAND

Application Number: EP12160237A
Filing Date: Mar 19, 2012
Status: Patent Maintained As Amended; May 19, 2023
Publication Date: Jun 21, 2023
External Links: Slate, Register , Google Patents