Double-Fan Turbomachine

Patent No. EP2045460 (titled "Double-Fan Turbomachine") was filed by Safran Aircraft Engines on Jun 10, 2008. The application was issued on Jan 13, 2021.

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
UNITED	Jun 19, 2018	DEHNS

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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Dec 17, 2020
Decision to maintain the European patent in amended form
Dec 17, 2020
Decision to maintain the European patent in amended form
Dec 11, 2020
Termination of the opposition proceedings with maintenance of patent
Nov 27, 2020
(Electronic) Receipt
Nov 27, 2020
English translation of the claims
Nov 27, 2020
Filing of the translation of the amended claims
Nov 27, 2020
German translation of the claims
Nov 27, 2020
Letter accompanying subsequently filed items
Aug 27, 2020
Communication of bibliographic data
Aug 27, 2020
Communication to opponent concerning maintenance
Aug 27, 2020
Communication with request to file translations
Jul 14, 2020
Maintenance of the patent with the documents specified in the final decision
Apr 15, 2020
(Electronic) Receipt
Apr 15, 2020
Advice of delivery
Apr 15, 2020
Letter accompanying subsequently filed items
Apr 8, 2020
Communication of amended entries concerning the representative
Apr 2, 2020
Letter accompanying subsequently filed items
Apr 2, 2020
Submission concerning change of applicant's representative
Mar 31, 2020
Communication about missing advice of delivery
Feb 21, 2020
Advice of delivery
Feb 12, 2020
Acknowledgement of a document
Feb 12, 2020
Acknowledgement of a document
Feb 12, 2020
Decision of the Opposition Division and instruction
Feb 12, 2020
Druckexemplar in opposition procedure
Feb 12, 2020
Grounds for the decision (Annex) - opposition
Feb 12, 2020
Interlocutory decision in opposition proceedings
Feb 12, 2020
Internal form - Opposition/addressees
Feb 12, 2020
Means of redress
Feb 12, 2020
Scanned annex to a communication - opposition procedure
Nov 22, 2019
Brief communication - Opposition proceedings
Nov 15, 2019
(Electronic) Receipt
Nov 15, 2019
Letter accompanying subsequently filed items
Nov 15, 2019
Reply to an examination report in opposition proceedings
Oct 8, 2019
Annex to the communication - opposition
Oct 8, 2019
Communication inviting the parties to file observations
Oct 8, 2019
Internal form - Opposition/addressees
Oct 3, 2019
Brief communication - Opposition proceedings
Oct 3, 2019
Notification concerning the date of oral proceedings
Oct 3, 2019
Notification concerning the date of oral proceedings
Oct 2, 2019
Advice of delivery
Oct 2, 2019
Annex to the communication
Oct 2, 2019
Communication inviting the parties to file observations
Sep 25, 2019
(Electronic) Receipt
Sep 25, 2019
Amended description with annotations
Sep 25, 2019
Description
Sep 25, 2019
Letter accompanying subsequently filed items
Sep 25, 2019
Letter regarding the opposition procedure (no time limit)
Sep 25, 2019
Result of consultation by telephone/in person
Sep 13, 2019
Notification concerning the date of oral proceedings
Sep 13, 2019
Notification concerning the date of oral proceedings
Sep 10, 2019
Annex to the communication
Aug 30, 2019
Brief communication - Opposition proceedings
Aug 23, 2019
(Electronic) Receipt
Aug 23, 2019
Withdrawal of a request for oral proceedings
Aug 20, 2019
Brief communication - Opposition proceedings
Aug 20, 2019
Brief communication - Opposition proceedings
Aug 13, 2019
(Electronic) Receipt
Aug 13, 2019
Amended claims with annotations
Aug 13, 2019
Amended claims with annotations
Aug 13, 2019
Claims
Aug 13, 2019
Claims
Aug 13, 2019
Letter accompanying subsequently filed items
Aug 13, 2019
Request for interpreters during oral proceedings
Aug 9, 2019
(Electronic) Receipt
Aug 9, 2019
Request for interpreters during oral proceedings
Mar 25, 2019
Submission concerning change of applicant's representative
Mar 22, 2019
(Electronic) Receipt
Mar 22, 2019
Acknowledgement of a document
Mar 22, 2019
Advice of delivery
Mar 22, 2019
Letter accompanying subsequently filed items
Mar 8, 2019
Advice of delivery
Feb 22, 2019
Acknowledgement of a document
Feb 22, 2019
Acknowledgement of a document
Feb 22, 2019
Annex to the communication - opposition
Feb 22, 2019
Information concerning oral proceedings
Feb 22, 2019
Scanned annex to a communication - opposition procedure
Feb 22, 2019
Summons to attend oral proceedings
Feb 22, 2019
Summons to attend oral proceedings
Feb 15, 2019
Information about the result of oral proceedings
Nov 22, 2018
Brief communication - Opposition proceedings
Nov 14, 2018
(Electronic) Receipt
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Letter accompanying subsequently filed items
Nov 14, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jul 4, 2018
Communication of a notice of opposition and request to file observations
Jul 4, 2018
Notice of further oppositions to opponent(s)
Jun 26, 2018
Communication of a notice of opposition - first information to patent proprietor
Jun 19, 2018
(Electronic) Receipt
Jun 19, 2018
Notice of opposition
Jun 19, 2018
Notice of opposition
Jun 19, 2018
Patent document cited during the opposition procedure
Jun 19, 2018
Patent document cited during the opposition procedure
Jun 19, 2018
Patent document cited during the opposition procedure
Jun 19, 2018
Patent document cited during the opposition procedure
Jun 19, 2018
Patent document cited during the opposition procedure
Jun 11, 2018
Communication of the registration of a transfer or change of name and/or address
Jun 1, 2018
Submission concerning change of applicant's name
Feb 12, 2018
Communication of amended entries concerning the representative
Feb 7, 2018
Submission concerning change of applicant's representative
Sep 20, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 24, 2017
Decision to grant a European patent
Jul 31, 2017
(Electronic) Receipt
Jul 31, 2017
English translation of the claims
Jul 31, 2017
Filing of the translations of the claims
Jul 31, 2017
German translation of the claims
Jul 31, 2017
Letter accompanying subsequently filed items
Apr 10, 2017
Bibliographic data of the European patent application
Apr 10, 2017
Communication about intention to grant a European patent
Apr 10, 2017
Intention to grant (signatures)
Apr 10, 2017
Text intended for grant (clean copy)
Apr 10, 2017
Text intended for grant (version for approval)
Mar 21, 2017
Examination started
Mar 6, 2012
Refund of fees
Sep 16, 2011
Final instructions (loss of partial rights)
Jun 6, 2011
Designation deemed to be withdrawn (non payment of designation fees)
Mar 23, 2011
Amended claims filed after receipt of (European) search report
Mar 23, 2011
Amended claims with annotations
Mar 23, 2011
Amended description filed after receipt of (European) search report
Mar 23, 2011
Amendments received before examination
Mar 15, 2011
(Electronic) Receipt
Mar 15, 2011
Letter accompanying subsequently filed items
Oct 4, 2010
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Aug 30, 2010
Communication regarding the transmission of the European search report
Aug 30, 2010
European search opinion
Aug 30, 2010
European search report
Jul 23, 2010
General enquiry
Mar 11, 2009
Notification of forthcoming publication
Jun 12, 2008
Letter concerning the priority
Jun 12, 2008
Priority document
Jun 10, 2008
Abstract
Jun 10, 2008
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jun 10, 2008
Claims
Jun 10, 2008
Description
Jun 10, 2008
Designation of inventor
Jun 10, 2008
Designation of inventor
Jun 10, 2008
Designation of inventor
Jun 10, 2008
Drawings
Jun 10, 2008
Letter concerning search matters
Jun 10, 2008
Request for grant of a European patent

EP2045460

SAFRAN AIRCRAFT ENGINES

Application Number: EP08157970A
Filing Date: Jun 10, 2008
Status: Patent Maintained As Amended; Dec 11, 2020
Publication Date: Jan 13, 2021
External Links: Slate, Register , Google Patents

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Double-Fan Turbomachine

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Dossier Documents

EP2045460