Gas Turbine Bearing Oil System With Oil Recirculation

Patent No. EP2093386 (titled "Gas Turbine Bearing Oil System With Oil Recirculation") was filed by Rolls Royce Deutschland on Feb 16, 2009. The application was issued on Aug 29, 2018.

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	Apr 4, 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 1, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Mar 1, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 24, 2022
Termination of the opposition proceedings with maintenance of patent
Nov 23, 2021
Advice of delivery
Nov 15, 2021
(Electronic) Receipt
Nov 15, 2021
Advice of delivery
Nov 15, 2021
Annex to the communication - opposition
Nov 15, 2021
Decision of the Opposition Division and instruction
Nov 15, 2021
Decision rejecting the opposition
Nov 15, 2021
Decision rejecting the opposition
Nov 15, 2021
Grounds for the decision (Annex) - opposition
Nov 15, 2021
Letter accompanying subsequently filed items
Nov 15, 2021
Means of redress
Nov 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 15, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 15, 2021
Provision of a copy of the minutes - opposition procedure
Nov 15, 2021
Provision of a copy of the minutes - opposition procedure
Nov 15, 2021
Transmittal of decision / summons - opposition
Nov 15, 2021
Transmittal of decision / summons - opposition
Sep 30, 2021
Information about the result of oral proceedings
Aug 9, 2021
Brief communication - Opposition proceedings
Aug 5, 2021
Brief communication - Opposition proceedings
Aug 4, 2021
(Electronic) Receipt
Aug 4, 2021
Request for interpreters during oral proceedings
Jul 30, 2021
(Electronic) Receipt
Jul 30, 2021
Letter accompanying subsequently filed items
Jul 30, 2021
Written submission in preparation to/during oral proceedings
Jul 16, 2021
Brief communication - Opposition proceedings
Jul 12, 2021
(Electronic) Receipt
Jul 12, 2021
Advice of delivery
Jul 12, 2021
Advice of delivery
Jul 12, 2021
Letter accompanying subsequently filed items
Jul 12, 2021
Request for interpreters during oral proceedings
Jul 7, 2021
Notification concerning the date of oral proceedings
Jul 7, 2021
Notification concerning the date of oral proceedings
Jul 7, 2021
Transmittal of decision / summons - opposition
Jul 7, 2021
Transmittal of decision / summons - opposition
Feb 26, 2021
(Electronic) Receipt
Feb 26, 2021
Advice of delivery
Feb 26, 2021
Letter accompanying subsequently filed items
Nov 23, 2020
Advice of delivery
Nov 23, 2020
Advice of delivery
Nov 17, 2020
Acknowledgement of a document
Nov 17, 2020
Acknowledgement of a document
Nov 17, 2020
Annex to the communication - opposition
Nov 17, 2020
Summons to attend oral proceedings
Nov 17, 2020
Summons to attend oral proceedings
Sep 9, 2020
Notification concerning the date of oral proceedings
Sep 9, 2020
Notification concerning the date of oral proceedings
Aug 21, 2020
Notification concerning the date of oral proceedings
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 6, 2020
Brief communication - Opposition proceedings
Aug 5, 2020
(Electronic) Receipt
Aug 5, 2020
(Electronic) Receipt
Aug 5, 2020
Auxiliary request during Opposition procedure
Aug 5, 2020
Auxiliary request during Opposition procedure
Aug 5, 2020
Auxiliary request during Opposition procedure - 02
Aug 5, 2020
Auxiliary request during Opposition procedure - 03
Aug 5, 2020
Letter accompanying subsequently filed items
Aug 5, 2020
Letter accompanying subsequently filed items
Aug 5, 2020
Written submission in preparation to/during oral proceedings
Aug 5, 2020
Written submission in preparation to/during oral proceedings
Aug 4, 2020
Brief communication - Opposition proceedings
Aug 4, 2020
Communication of amended entries
Aug 3, 2020
(Electronic) Receipt
Aug 3, 2020
Brief communication - Opposition proceedings
Aug 3, 2020
Letter accompanying subsequently filed items
Aug 3, 2020
Oral proceedings: reply to date proposed
Jul 29, 2020
(Electronic) Receipt
Jul 29, 2020
Letter accompanying subsequently filed items
Jul 29, 2020
Oral proceedings: reply to date proposed
Jul 27, 2020
Request for change of name -opponent
Jul 16, 2020
Notification concerning the date of oral proceedings
Jul 16, 2020
Notification concerning the date of oral proceedings
Jan 24, 2020
Brief communication - Opposition proceedings
Jan 21, 2020
(Electronic) Receipt
Jan 21, 2020
Advice of delivery
Jan 21, 2020
Advice of delivery
Jan 21, 2020
Request for interpreters during oral proceedings
Jan 7, 2020
Acknowledgement of a document
Jan 7, 2020
Acknowledgement of a document
Jan 7, 2020
Annex to the communication - opposition
Jan 7, 2020
Information concerning oral proceedings
Jan 7, 2020
Summons to attend oral proceedings
Jan 7, 2020
Summons to attend oral proceedings
Oct 17, 2019
Brief communication - Opposition proceedings
Oct 14, 2019
(Electronic) Receipt
Oct 14, 2019
Letter accompanying subsequently filed items
Oct 14, 2019
Letter regarding the opposition procedure (no time limit)
Sep 23, 2019
Brief communication - Opposition proceedings
Sep 18, 2019
(Electronic) Receipt
Sep 18, 2019
Any annexes (other than citation) to an opposition letter
Sep 18, 2019
Auxiliary request during Opposition procedure
Sep 18, 2019
Auxiliary request during Opposition procedure - 01
Sep 18, 2019
Letter accompanying subsequently filed items
Sep 18, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jul 31, 2019
Communication of amended entries concerning the representative
Jul 26, 2019
(Electronic) Receipt
Jul 26, 2019
Letter accompanying subsequently filed items
Jul 26, 2019
Submission concerning change of applicant's representative
Jul 12, 2019
Brief communication - Opposition proceedings
Jul 12, 2019
Communication confirming withdrawal from representation
Jul 12, 2019
Notification of termination of representative's authorisation
Jul 5, 2019
(Electronic) Receipt
Jul 5, 2019
Letter accompanying subsequently filed items
Jul 5, 2019
Submission concerning change of applicant's representative
Jun 14, 2019
Communication of a notice of opposition and request to file observations
Jun 14, 2019
Notice of further oppositions to opponent(s)
Apr 12, 2019
Communication of a notice of opposition - first information to patent proprietor
Apr 4, 2019
(Electronic) Receipt
Apr 4, 2019
Citation in opposition procedure - 001
Apr 4, 2019
Citation in opposition procedure - 002
Apr 4, 2019
Citation in opposition procedure - 003
Apr 4, 2019
Consolidated list of cited opposition documents
Apr 4, 2019
Notice of opposition
Apr 4, 2019
Notice of opposition
Apr 4, 2019
Patent document cited during the opposition procedure
Apr 4, 2019
Patent document cited during the opposition procedure
Sep 10, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 2, 2018
Decision to grant a European patent
Jul 17, 2018
(Electronic) Receipt
Jul 17, 2018
English translation of the claims
Jul 17, 2018
Filing of the translations of the claims
Jul 17, 2018
French translation of claims
Jul 17, 2018
Letter accompanying subsequently filed items
Mar 15, 2018
Bibliographic data of the European patent application
Mar 15, 2018
Communication about intention to grant a European patent
Mar 15, 2018
Intention to grant (signatures)
Mar 15, 2018
Text intended for grant (clean copy)
Mar 15, 2018
Text intended for grant (version for approval)
Apr 18, 2017
(Electronic) Receipt
Apr 18, 2017
Letter accompanying subsequently filed items
Apr 18, 2017
Reply to communication from the Examining Division
Jan 27, 2017
Annex to the communication
Jan 27, 2017
Communication from the Examining Division
Jun 9, 2015
Communication of amended entries concerning the representative
Jun 2, 2015
Submission concerning representation
May 28, 2015
Submission concerning representation
Aug 24, 2011
Amended claims filed after receipt of (European) search report
Aug 24, 2011
Amended claims with annotations
Aug 24, 2011
Amended description filed after receipt of (European) search report
Aug 24, 2011
Amended description with annotations
Aug 24, 2011
Amendments received before examination
Aug 24, 2011
Drawings
Aug 24, 2011
Letter concerning the designation and/or extension and/or validation of states
Aug 24, 2011
Matter concerning the application
Jun 8, 2011
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
May 3, 2011
Communication regarding the transmission of the European search report
May 3, 2011
European search opinion
May 3, 2011
European search report
Jul 29, 2009
Notification of forthcoming publication
Mar 5, 2009
Letter concerning the priority
Mar 5, 2009
Priority document
Feb 16, 2009
Abstract
Feb 16, 2009
Annex
Feb 16, 2009
Claims
Feb 16, 2009
Description
Feb 16, 2009
Designation of inventor
Feb 16, 2009
Drawings
Feb 16, 2009
Request for grant of a European patent

EP2093386

ROLLS ROYCE DEUTSCHLAND

Application Number: EP09002145A
Filing Date: Feb 16, 2009
Status: Opposition Rejected; Feb 25, 2022
Publication Date: Aug 29, 2018
External Links: Slate, Register , Google Patents

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Gas Turbine Bearing Oil System With Oil Recirculation

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Dossier Documents

EP2093386