Oil Separator Arrangement

Patent No. EP2452050 (titled "Oil Separator Arrangement") was filed by Safran Aircraft Engines on Jul 9, 2010. The application was issued on Apr 23, 2025.

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
RAYTHEON	Jun 12, 2019	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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Mar 27, 2025
Decision to maintain the European patent in amended form
Mar 27, 2025
Decision to maintain the European patent in amended form
Mar 11, 2025
(Electronic) Receipt
Mar 11, 2025
Clean copy of description pages in the opposition procedure
Mar 11, 2025
English translation of the claims
Mar 11, 2025
German translation of the claims
Mar 11, 2025
Letter accompanying subsequently filed items
Jan 8, 2025
Communication of bibliographic data
Jan 8, 2025
Communication to opponent concerning maintenance
Jan 8, 2025
Communication with request to file translations
Dec 20, 2024
Maintenance of the patent with the documents specified in the final decision
Dec 20, 2024
OPPODREX with handwritten amendments
Dec 19, 2024
Decision of the Board of Appeal
Dec 19, 2024
F3032 Notification(s) of the decision
Dec 19, 2024
F3032 Notification(s) of the decision
Oct 10, 2024
Amended claims with annotations
Oct 10, 2024
Amended description with annotations
Oct 10, 2024
F3004 Communication of the Registry
Oct 10, 2024
F3004 Communication of the Registry
Oct 8, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 8, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 8, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Sep 30, 2024
F3345 Forwarding of submissions to parties
Sep 24, 2024
(Electronic) Receipt
Sep 24, 2024
Letter accompanying subsequently filed items
Sep 24, 2024
Letter dealing with oral proceedings during the appeal procedure
Sep 5, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 5, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 4, 2024
F3345 Forwarding of submissions to parties
Sep 2, 2024
F3018 Oral proceedings: Confirmation interpreters
Sep 2, 2024
F3018 Oral proceedings: Confirmation interpreters
Aug 30, 2024
(Electronic) Receipt
Aug 30, 2024
Amended claims with annotations
Aug 30, 2024
Amended claims with annotations
Aug 30, 2024
Amended claims with annotations
Aug 30, 2024
Amended claims with annotations
Aug 30, 2024
Claims
Aug 30, 2024
Claims
Aug 30, 2024
Claims
Aug 30, 2024
Claims
Aug 30, 2024
Letter accompanying subsequently filed items
Aug 30, 2024
Letter dealing with oral proceedings during the appeal procedure
Aug 28, 2024
F3345 Forwarding of submissions to parties
Aug 23, 2024
(Electronic) Receipt
Aug 23, 2024
Letter accompanying subsequently filed items
Aug 23, 2024
Letter dealing with oral proceedings during the appeal procedure
Aug 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 31, 2024
F3345 Forwarding of submissions to parties
Jul 26, 2024
(Electronic) Receipt
Jul 26, 2024
Letter accompanying subsequently filed items
Jul 26, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 15, 2023
F3345 Forwarding of submissions to parties
Dec 11, 2023
(Electronic) Receipt
Dec 11, 2023
Letter accompanying subsequently filed items
Dec 11, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 19, 2023
F3345 Forwarding of submissions to parties
Oct 13, 2023
(Electronic) Receipt
Oct 13, 2023
Letter accompanying subsequently filed items
Oct 13, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 4, 2023
F3011.1 Oral Proceedings: summons
Oct 4, 2023
F3011.1 Oral Proceedings: summons
Sep 28, 2023
F3010 Oral proceedings: order for summons
May 17, 2023
Composition of the board (T)
Feb 1, 2023
F3345 Forwarding of submissions to parties
Jan 31, 2023
Communication of amended entries concerning the representative
Jan 26, 2023
Letter accompanying subsequently filed items
Jan 26, 2023
Submission concerning change of applicant's representative
Feb 11, 2022
F3345 Forwarding of submissions to parties
Feb 7, 2022
(Electronic) Receipt
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Auxiliary request during appeals procedure - 01
Feb 7, 2022
Auxiliary request during appeals procedure - 02
Feb 7, 2022
Auxiliary request during appeals procedure - 03
Feb 7, 2022
Auxiliary request during appeals procedure - 04
Feb 7, 2022
Auxiliary request during appeals procedure - 05
Feb 7, 2022
Auxiliary request during appeals procedure - 06
Feb 7, 2022
Auxiliary request during appeals procedure - 07
Feb 7, 2022
Auxiliary request during appeals procedure - 08
Feb 7, 2022
Auxiliary request during appeals procedure - 09
Feb 7, 2022
Auxiliary request during appeals procedure - 10
Feb 7, 2022
Auxiliary request during appeals procedure - 11
Feb 7, 2022
Claims
Feb 7, 2022
Letter accompanying subsequently filed items
Feb 7, 2022
Reply to appeal
Oct 4, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 28, 2021
(Electronic) Receipt
Sep 28, 2021
Amended drawings with annotations
Sep 28, 2021
Letter accompanying subsequently filed items
Sep 28, 2021
Statement of grounds of appeal
Aug 9, 2021
Refund of fees
Aug 5, 2021
F3204 Communication of the file number to the parties
Aug 5, 2021
F3204 Communication of the file number to the parties
Jul 27, 2021
(Electronic) Receipt
Jul 27, 2021
(Electronic) Receipt
Jul 27, 2021
(Electronic) Receipt
Jul 27, 2021
Letter accompanying subsequently filed items
Jul 27, 2021
Letter accompanying subsequently filed items
Jul 27, 2021
Letter accompanying subsequently filed items
Jul 27, 2021
Notice of appeal
Jul 27, 2021
Notice of appeal
Jul 27, 2021
Notice of appeal
Jun 21, 2021
Advice of delivery
Jun 3, 2021
(Electronic) Receipt
Jun 3, 2021
Advice of delivery
Jun 3, 2021
Letter accompanying subsequently filed items
May 18, 2021
Annex to the communication - opposition
May 18, 2021
Grounds for the decision (Annex) - opposition
May 18, 2021
Interlocutory decision in opposition proceedings
May 18, 2021
Interlocutory decision in opposition proceedings
May 18, 2021
Internal form - Opposition/addressees
May 18, 2021
Internal form - Opposition/addressees
May 18, 2021
Means of redress
May 18, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 18, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 18, 2021
Provision of a copy of the minutes - opposition procedure
May 18, 2021
Provision of a copy of the minutes - opposition procedure
May 18, 2021
Transmittal of decision / summons - opposition
May 18, 2021
Transmittal of decision / summons - opposition
May 10, 2021
Decision of the Opposition Division and instruction
May 10, 2021
Decision of the Opposition Division and instruction
May 10, 2021
Decision of the Opposition Division and instruction
May 10, 2021
Druckexemplar in opposition procedure
May 10, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 10, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 10, 2021
Scanned annex to a communication - opposition procedure
Mar 18, 2021
Information about the result of oral proceedings
Mar 15, 2021
Brief communication - Opposition proceedings
Mar 10, 2021
(Electronic) Receipt
Mar 10, 2021
Letter accompanying subsequently filed items
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Main request during Opposition procedure
Mar 10, 2021
Notification concerning the date of oral proceedings
Mar 10, 2021
Notification concerning the date of oral proceedings
Mar 10, 2021
Written submission in preparation to/during oral proceedings
Mar 3, 2021
(Electronic) Receipt
Mar 3, 2021
Written submission in preparation to/during oral proceedings
Feb 26, 2021
Brief communication - Opposition proceedings
Feb 25, 2021
Request for interpreters during oral proceedings
Feb 22, 2021
Request for interpreters during oral proceedings
Feb 22, 2021
Request for interpreters during oral proceedings
Feb 18, 2021
(Electronic) Receipt
Feb 17, 2021
(Electronic) Receipt
Feb 17, 2021
Brief communication - Opposition proceedings
Feb 17, 2021
Letter accompanying subsequently filed items
Feb 11, 2021
Request for interpreters during oral proceedings
Feb 10, 2021
Brief communication - Opposition proceedings
Feb 4, 2021
(Electronic) Receipt
Feb 4, 2021
Letter accompanying subsequently filed items
Feb 4, 2021
Written submission in preparation to/during oral proceedings
Jan 22, 2021
Notification concerning the date of oral proceedings
Jan 22, 2021
Notification concerning the date of oral proceedings
Oct 22, 2020
(Electronic) Receipt
Oct 22, 2020
Advice of delivery
Oct 22, 2020
Letter accompanying subsequently filed items
Oct 15, 2020
Advice of delivery
Sep 23, 2020
Acknowledgement of a document
Sep 23, 2020
Acknowledgement of a document
Sep 23, 2020
Information about the result of oral proceedings
Sep 23, 2020
Summons to attend oral proceedings
Sep 23, 2020
Summons to attend oral proceedings
Sep 8, 2020
Notification concerning the date of oral proceedings
Sep 8, 2020
Notification concerning the date of oral proceedings
Sep 4, 2020
Oral proceedings: reply to date proposed
Aug 26, 2020
Brief communication - Opposition proceedings
Aug 14, 2020
Brief communication - Opposition proceedings
Aug 7, 2020
(Electronic) Receipt
Aug 7, 2020
Letter accompanying subsequently filed items
Aug 7, 2020
Oral proceedings: reply to date proposed
Aug 6, 2020
Main request during Opposition procedure
Aug 6, 2020
Main request during Opposition procedure
Aug 6, 2020
Main request during Opposition procedure
Aug 6, 2020
Main request during Opposition procedure
Aug 6, 2020
Main request during Opposition procedure
Aug 6, 2020
Main request during Opposition procedure
Aug 6, 2020
Main request during Opposition procedure
Aug 6, 2020
Main request during Opposition procedure
Aug 6, 2020
Written submission in preparation to/during oral proceedings
Aug 5, 2020
Communication of amended entries
Jul 31, 2020
(Electronic) Receipt
Jul 31, 2020
Request for interpreters during oral proceedings
Jul 27, 2020
Annexes in respect of a client data request
Jul 27, 2020
Request for change of name -opponent
Jul 15, 2020
Notification concerning the date of oral proceedings
Jul 15, 2020
Notification concerning the date of oral proceedings
Jul 3, 2020
Brief communication - Opposition proceedings
Jul 3, 2020
Brief communication - Opposition proceedings
Apr 30, 2020
(Electronic) Receipt
Apr 30, 2020
Advice of delivery
Apr 30, 2020
Letter accompanying subsequently filed items
Apr 22, 2020
(Electronic) Receipt
Apr 22, 2020
Advice of delivery
Apr 22, 2020
Letter accompanying subsequently filed items
Apr 21, 2020
Communication about missing advice of delivery
Apr 21, 2020
Communication about missing advice of delivery
Mar 10, 2020
Acknowledgement of a document
Mar 10, 2020
Acknowledgement of a document
Mar 10, 2020
Annex to the communication - opposition
Mar 10, 2020
Information concerning oral proceedings
Mar 10, 2020
Summons to attend oral proceedings
Mar 10, 2020
Summons to attend oral proceedings
Nov 5, 2019
Brief communication - Opposition proceedings
Oct 25, 2019
(Electronic) Receipt
Oct 25, 2019
Auxiliary request during Opposition procedure
Oct 25, 2019
Auxiliary request during Opposition procedure
Oct 25, 2019
Auxiliary request during Opposition procedure
Oct 25, 2019
Auxiliary request during Opposition procedure - 01
Oct 25, 2019
Auxiliary request during Opposition procedure - 02
Oct 25, 2019
Auxiliary request during Opposition procedure - 03
Oct 25, 2019
Letter accompanying subsequently filed items
Oct 25, 2019
Main request during Opposition procedure
Oct 25, 2019
Main request during Opposition procedure
Oct 25, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jun 27, 2019
Communication of a notice of opposition and request to file observations
Jun 27, 2019
Notice of further oppositions to opponent(s)
Jun 21, 2019
Communication of a notice of opposition - first information to patent proprietor
Jun 12, 2019
(Electronic) Receipt
Jun 12, 2019
Citation in opposition procedure - 001
Jun 12, 2019
Citation in opposition procedure - 002
Jun 12, 2019
Citation in opposition procedure - 003
Jun 12, 2019
Citation in opposition procedure - 004
Jun 12, 2019
Citation in opposition procedure - 005
Jun 12, 2019
Consolidated list of cited opposition documents
Jun 12, 2019
International publication (Pamphlet)
Jun 12, 2019
Notice of opposition
Jun 12, 2019
Notice of opposition
Sep 24, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 17, 2018
Decision to grant a European patent
Aug 3, 2018
(Electronic) Receipt
Aug 3, 2018
English translation of the claims
Aug 3, 2018
German translation of the claims
Aug 3, 2018
Letter accompanying subsequently filed items
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
Apr 4, 2018
Bibliographic data of the European patent application
Apr 4, 2018
Communication about intention to grant a European patent
Apr 4, 2018
Intention to grant (signatures)
Apr 4, 2018
Text intended for grant (clean copy)
Apr 4, 2018
Text intended for grant (version for approval)
Jan 24, 2017
(Electronic) Receipt
Jan 24, 2017
Amended claims with annotations
Jan 24, 2017
Claims
Jan 24, 2017
Letter accompanying subsequently filed items
Jan 24, 2017
Reply to communication from the Examining Division
Nov 24, 2016
Grant of extension of time limit (examination procedure)
Nov 18, 2016
(Electronic) Receipt
Nov 18, 2016
Letter accompanying subsequently filed items
Nov 18, 2016
Request for extension of time limit to communication from the Examining Division
Jul 19, 2016
Annex to the communication
Jul 19, 2016
Communication from the Examining Division
Jul 8, 2016
Examination started
Apr 18, 2012
Notification on forthcoming publication of bibliographic data
Apr 2, 2012
Amended claims filed after receipt of (European) search report
Apr 2, 2012
Amended description filed after receipt of (European) search report
Apr 2, 2012
Amendments received before examination
Mar 28, 2012
Amended claims filed after receipt of (European) search report
Mar 28, 2012
Amended description filed after receipt of (European) search report
Mar 28, 2012
Amendments received before examination
Mar 27, 2012
Letter which had not been notified
Feb 17, 2012
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jan 25, 2012
Copy of the international preliminary report on patentability
Jan 9, 2012
(Electronic) Receipt
Jan 9, 2012
Amended drawings filed after receipt of (European) search report
Jan 9, 2012
Request for entry into the European phase
Jan 9, 2012
Submission concerning representation
Nov 18, 2011
Information on entry into European phase
Mar 3, 2011
Notification of the recording of a change
Mar 3, 2011
Notification of the recording of a change
Jan 13, 2011
Copy of the international search report
Sep 27, 2010
Written opinion of the ISA, boxes No. I to VIII
Sep 27, 2010
Written opinion of the ISA, cover sheet
Sep 27, 2010
Written opinion of the ISA, supplemental box
Jul 9, 2010
(Electronic) Receipt
Jul 9, 2010
Abstract
Jul 9, 2010
Claims
Jul 9, 2010
Description
Jul 9, 2010
Drawings

EP2452050

SAFRAN AIRCRAFT ENGINES

Application Number: EP10729924A
Filing Date: Jul 9, 2010
Status: Patent Maintained As Amended; Mar 21, 2025
Publication Date: Apr 23, 2025
External Links: Slate, Register , Google Patents

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Oil Separator Arrangement

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Dossier Documents

EP2452050