Device And Method For Letting Off Compressor Air In An Engine

Patent No. EP2835522 (titled "Device And Method For Letting Off Compressor Air In An Engine") was filed by Rolls Royce Deutschland on Aug 1, 2014. The application was issued on Feb 14, 2024.

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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Jan 18, 2024
Decision to maintain the European patent in amended form
Jan 18, 2024
Decision to maintain the European patent in amended form
Jan 10, 2024
(Electronic) Receipt
Jan 10, 2024
Amended description with annotations
Jan 10, 2024
Description
Jan 10, 2024
Druckexemplar in opposition procedure
Jan 10, 2024
English translation of the claims
Jan 10, 2024
Filing of the translation of the amended claims
Jan 10, 2024
French translation of claims
Jan 10, 2024
Letter accompanying subsequently filed items
Oct 20, 2023
Communication of bibliographic data
Oct 20, 2023
Communication to opponent concerning maintenance
Oct 20, 2023
Communication with request to file translations
Oct 12, 2023
Maintenance of the patent with the documents specified in the final decision
Oct 2, 2023
OPPODREX with handwritten amendments
Sep 21, 2023
Decision of the Board of Appeal
Sep 21, 2023
F3032 Notification(s) of the decision
Sep 21, 2023
F3032 Notification(s) of the decision
Aug 1, 2023
Claims submitted during oral proceedings
Aug 1, 2023
Description submitted during oral proceedings
Aug 1, 2023
F3013 Oral Proceedings: Forwarding minutes
Aug 1, 2023
F3013 Oral Proceedings: Forwarding minutes
Aug 1, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jun 12, 2023
F3018 Oral proceedings: Confirmation interpreters
Jun 12, 2023
F3018 Oral proceedings: Confirmation interpreters
Jun 12, 2023
F3345 Forwarding of submissions to parties
Jun 12, 2023
F3345 Forwarding of submissions to parties
Jun 6, 2023
(Electronic) Receipt
Jun 6, 2023
(Electronic) Receipt
Jun 6, 2023
Letter accompanying subsequently filed items
Jun 6, 2023
Letter accompanying subsequently filed items
May 11, 2023
Oral proceedings: change of venue
May 11, 2023
Oral proceedings: change of venue
Mar 13, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 13, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 9, 2022
F3345 Forwarding of submissions to parties
Dec 6, 2022
(Electronic) Receipt
Dec 6, 2022
Letter accompanying subsequently filed items
Dec 6, 2022
Letter dealing with oral proceedings during the appeal procedure
Oct 11, 2022
F3011.1 Oral Proceedings: summons
Oct 11, 2022
F3011.1 Oral Proceedings: summons
Oct 11, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 11, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 6, 2022
F3010 Oral proceedings: order for summons
Sep 22, 2022
Composition of the board (T)
Mar 8, 2022
F3345 Forwarding of submissions to parties
Mar 3, 2022
(Electronic) Receipt
Mar 3, 2022
Amended claims with annotations
Mar 3, 2022
Amended claims with annotations
Mar 3, 2022
Amended claims with annotations
Mar 3, 2022
Amended claims with annotations
Mar 3, 2022
Amended claims with annotations
Mar 3, 2022
Amended claims with annotations
Mar 3, 2022
Amended claims with annotations
Mar 3, 2022
Amended claims with annotations
Mar 3, 2022
Auxiliary request during appeals procedure - 01
Mar 3, 2022
Auxiliary request during appeals procedure - 01
Mar 3, 2022
Auxiliary request during appeals procedure - 02
Mar 3, 2022
Auxiliary request during appeals procedure - 02
Mar 3, 2022
Auxiliary request during appeals procedure - 03
Mar 3, 2022
Auxiliary request during appeals procedure - 03
Mar 3, 2022
Auxiliary request during appeals procedure - 04
Mar 3, 2022
Auxiliary request during appeals procedure - 04
Mar 3, 2022
Letter accompanying subsequently filed items
Mar 3, 2022
Reply to appeal
Nov 3, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 28, 2021
(Electronic) Receipt
Oct 28, 2021
Letter accompanying subsequently filed items
Oct 28, 2021
Letter relating to Appeal Procedure
Oct 28, 2021
Statement of grounds of appeal
Sep 7, 2021
F3204 Communication of the file number to the parties
Sep 7, 2021
F3204 Communication of the file number to the parties
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Notice of appeal
Jun 29, 2021
(Electronic) Receipt
Jun 29, 2021
Advice of delivery
Jun 29, 2021
Letter accompanying subsequently filed items
Jun 18, 2021
Advice of delivery
Jun 18, 2021
Annex to the communication - opposition
Jun 18, 2021
Decision of the Opposition Division and instruction
Jun 18, 2021
Druckexemplar in opposition procedure
Jun 18, 2021
Grounds for the decision (Annex) - opposition
Jun 18, 2021
Interlocutory decision in opposition proceedings
Jun 18, 2021
Internal form - Opposition/addressees
Jun 18, 2021
Internal form - Opposition/addressees
Jun 18, 2021
Means of redress
Jun 18, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 18, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 18, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 18, 2021
Provision of a copy of the minutes - opposition procedure
Jun 18, 2021
Scanned annex to a communication - opposition procedure
Jun 18, 2021
Transmittal of decision / summons - opposition
Jun 18, 2021
Transmittal of decision / summons - opposition
Jun 1, 2021
Information about the result of oral proceedings
May 3, 2021
Brief communication - Opposition proceedings
Apr 30, 2021
(Electronic) Receipt
Apr 30, 2021
Letter accompanying subsequently filed items
Apr 23, 2021
(Electronic) Receipt
Apr 23, 2021
Request for interpreters during oral proceedings
Apr 7, 2021
(Electronic) Receipt
Apr 7, 2021
Letter accompanying subsequently filed items
Apr 6, 2021
Brief communication - Opposition proceedings
Mar 23, 2021
(Electronic) Receipt
Mar 23, 2021
Letter accompanying subsequently filed items
Mar 23, 2021
Written submission in preparation to/during oral proceedings
Mar 9, 2021
Notification concerning the date of oral proceedings
Mar 9, 2021
Notification concerning the date of oral proceedings
Sep 25, 2020
(Electronic) Receipt
Sep 25, 2020
Advice of delivery
Sep 25, 2020
Letter accompanying subsequently filed items
Sep 8, 2020
Advice of delivery
Sep 4, 2020
Acknowledgement of a document
Sep 4, 2020
Acknowledgement of a document
Sep 4, 2020
Summons to attend oral proceedings
Sep 4, 2020
Summons to attend oral proceedings
Sep 2, 2020
Notification concerning the date of oral proceedings
Sep 2, 2020
Notification concerning the date of oral proceedings
Aug 28, 2020
Information about the result of oral proceedings
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 6, 2020
Brief communication - Opposition proceedings
Aug 5, 2020
Communication of amended entries
Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 30, 2020
Oral proceedings: reply to date proposed
Jul 30, 2020
Oral proceedings: reply to date proposed
Jul 29, 2020
(Electronic) Receipt
Jul 29, 2020
Any annexes (other than citation) to an opposition letter
Jul 29, 2020
Letter accompanying subsequently filed items
Jul 29, 2020
Written submission in preparation to/during oral proceedings
Jul 27, 2020
Annexes in respect of a client data request
Jul 27, 2020
Request for change of name -opponent
Jul 10, 2020
Notification concerning the date of oral proceedings
Jul 10, 2020
Notification concerning the date of oral proceedings
Apr 22, 2020
Communication about missing advice of delivery
Apr 15, 2020
(Electronic) Receipt
Apr 15, 2020
Advice of delivery
Apr 15, 2020
Letter accompanying subsequently filed items
Mar 30, 2020
Communication about missing advice of delivery
Feb 17, 2020
Advice of delivery
Feb 14, 2020
Acknowledgement of a document
Feb 14, 2020
Acknowledgement of a document
Feb 14, 2020
Annex to the communication - opposition
Feb 14, 2020
Information concerning oral proceedings
Feb 14, 2020
Summons to attend oral proceedings
Feb 14, 2020
Summons to attend oral proceedings
Oct 2, 2019
Brief communication - Opposition proceedings
Sep 23, 2019
(Electronic) Receipt
Sep 23, 2019
Auxiliary request during Opposition procedure
Sep 23, 2019
Auxiliary request during Opposition procedure
Sep 23, 2019
Auxiliary request during Opposition procedure
Sep 23, 2019
Auxiliary request during Opposition procedure
Sep 23, 2019
Auxiliary request during Opposition procedure
Sep 23, 2019
Auxiliary request during Opposition procedure
Sep 23, 2019
Auxiliary request during Opposition procedure - 01
Sep 23, 2019
Auxiliary request during Opposition procedure - 02
Sep 23, 2019
Auxiliary request during Opposition procedure - 03
Sep 23, 2019
Auxiliary request during Opposition procedure - 04
Sep 23, 2019
Auxiliary request during Opposition procedure - 05
Sep 23, 2019
Auxiliary request during Opposition procedure - 06
Sep 23, 2019
Letter accompanying subsequently filed items
Sep 23, 2019
Reply of the patent proprietor to the notice(s) of opposition
May 15, 2019
Communication of a notice of opposition and request to file observations
May 15, 2019
Notice of further oppositions to opponent(s)
Apr 11, 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
Citation in opposition procedure - 004
Apr 4, 2019
Notice of opposition
Apr 4, 2019
Notice of opposition
Aug 13, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 5, 2018
Decision to grant a European patent
Jun 14, 2018
(Electronic) Receipt
Jun 14, 2018
English translation of the claims
Jun 14, 2018
Filing of the translations of the claims
Jun 14, 2018
French translation of claims
Jun 14, 2018
Letter accompanying subsequently filed items
May 2, 2018
(Electronic) Receipt
May 2, 2018
Letter accompanying subsequently filed items
May 2, 2018
Letter concerning the inventor
Mar 22, 2018
Bibliographic data of the European patent application
Mar 22, 2018
Communication about intention to grant a European patent
Mar 22, 2018
Intention to grant (signatures)
Mar 22, 2018
Text intended for grant (clean copy)
Mar 22, 2018
Text intended for grant (version for approval)
Jun 20, 2017
(Electronic) Receipt
Jun 20, 2017
Amended claims with annotations
Jun 20, 2017
Amended description with annotations
Jun 20, 2017
Claims
Jun 20, 2017
Description
Jun 20, 2017
Letter accompanying subsequently filed items
Jun 20, 2017
Reply to communication from the Examining Division
Mar 8, 2017
Annex to the communication
Mar 8, 2017
Communication from the Examining Division
May 13, 2016
Submission concerning representation
May 13, 2016
Submission concerning representation
Oct 8, 2015
Examination started
Aug 6, 2015
Amended claims filed after receipt of (European) search report
Aug 6, 2015
Amended claims with annotations
Aug 6, 2015
Amended description filed after receipt of (European) search report
Aug 6, 2015
Amended description with annotations
Aug 6, 2015
Amendments received before examination
Aug 6, 2015
Payment of fees and costs
Aug 6, 2015
Written request for examination
Aug 3, 2015
Communication of amended entries concerning the representative
Jul 21, 2015
Submission concerning change of applicant's representative
Feb 16, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jan 14, 2015
Notification of forthcoming publication
Dec 11, 2014
Communication regarding the transmission of the European search report
Dec 11, 2014
European search opinion
Dec 11, 2014
European search report
Nov 24, 2014
Search started
Oct 24, 2014
Communication to designated inventor
Sep 11, 2014
Letter concerning the priority
Sep 11, 2014
Priority document
Sep 1, 2014
Letter concerning fees and payments
Sep 1, 2014
Letter concerning fees and payments
Sep 1, 2014
Payment of fees and costs
Sep 1, 2014
Payment of fees and costs
Sep 1, 2014
Payment of fees and costs
Aug 1, 2014
Abstract
Aug 1, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 1, 2014
Claims
Aug 1, 2014
Description
Aug 1, 2014
Designation of inventor
Aug 1, 2014
Drawings
Aug 1, 2014
Priority search results
Aug 1, 2014
Request for grant of a European patent
Aug 1, 2014
Submission concerning representation

EP2835522

ROLLS ROYCE DEUTSCHLAND

Application Number: EP14179505A
Filing Date: Aug 1, 2014
Status: Patent Maintained As Amended; Jan 12, 2024
Publication Date: Feb 14, 2024
External Links: Slate, Register , Google Patents

IP Verse

Device And Method For Letting Off Compressor Air In An Engine

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Dossier Documents

EP2835522