Shaft Power Plant With Shaft Flushing

Patent No. EP2420669 (titled "Shaft Power Plant With Shaft Flushing") was filed by Technische Universitt Mnchen on Aug 9, 2011. The application was issued on Mar 30, 2016.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
FELLA MASCHINENBAU GMBH	Dec 30, 2016	WALLER

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

Mar 31, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 31, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Mar 28, 2023
Termination of the opposition proceedings with revocation of patent
Jan 25, 2023
Advice of delivery
Jan 17, 2023
Decision revoking the European Patent (patent proprietor)
Jan 17, 2023
Decision revoking the European patent (opponent)
Jan 17, 2023
Transmittal of decision / summons - opposition
Jan 17, 2023
Transmittal of decision / summons - opposition
Nov 22, 2022
Communication concerning surcharge and failure to observe time limit
Jul 4, 2022
Communication of bibliographic data
Jul 4, 2022
Communication to opponent concerning maintenance
Jul 4, 2022
Communication with request to file translations
Jun 24, 2022
Maintenance of the patent with the documents specified in the final decision
May 30, 2022
Decision of the Board of Appeal
May 30, 2022
F3032 Notification(s) of the decision
May 30, 2022
F3032 Notification(s) of the decision
Nov 26, 2021
Communication pursuant to R.84(1) EPC: patent lapsed
Nov 26, 2021
Communication pursuant to R.84(1) EPC: patent lapsed
Nov 26, 2020
Composition of the board (T)
Mar 6, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 21, 2020
(Electronic) Receipt
Feb 21, 2020
Letter accompanying subsequently filed items
Feb 21, 2020
Patent Document cited during the appeal procedure
Feb 21, 2020
Patent Document cited during the appeal procedure
Feb 21, 2020
Patent Document cited during the appeal procedure
Feb 21, 2020
Patent Document cited during the appeal procedure
Feb 21, 2020
Patent Document cited during the appeal procedure
Feb 21, 2020
Patent Document cited during the appeal procedure
Feb 21, 2020
Statement of grounds of appeal
Jan 15, 2020
Refund of fees
Jan 14, 2020
F3204 Communication of the file number to the parties
Jan 14, 2020
F3204 Communication of the file number to the parties
Dec 23, 2019
(Electronic) Receipt
Dec 23, 2019
Letter accompanying subsequently filed items
Dec 23, 2019
Notice of appeal
Nov 13, 2019
Advice of delivery
Nov 4, 2019
Advice of delivery
Oct 20, 2019
Advice of delivery
Oct 15, 2019
Advice of delivery
Oct 11, 2019
Acknowledgement of a document
Oct 11, 2019
Acknowledgement of a document
Oct 11, 2019
Annex to the communication - opposition
Oct 11, 2019
Decision of the Opposition Division and instruction
Oct 11, 2019
Grounds for the decision (Annex) - opposition
Oct 11, 2019
Interlocutory decision in opposition proceedings
Oct 11, 2019
Internal form - Opposition/addressees
Oct 11, 2019
Internal form - Opposition/addressees
Oct 11, 2019
Means of redress
Oct 11, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 11, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 11, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 11, 2019
Minutes of the taking of evidence
Oct 11, 2019
Minutes of the taking of evidence
Oct 11, 2019
OPPODREX with handwritten amendments
Oct 11, 2019
Provision of a copy of the minutes - opposition procedure
Oct 11, 2019
Scanned annex to a communication - opposition procedure
Jul 4, 2019
Information about the result of oral proceedings
Jun 6, 2019
Brief communication - Opposition proceedings
May 29, 2019
(Electronic) Receipt
May 29, 2019
Letter accompanying subsequently filed items
May 29, 2019
Written submission in preparation to/during oral proceedings
Apr 12, 2019
Brief communication - Opposition proceedings
Apr 11, 2019
Brief communication - Opposition proceedings
Apr 4, 2019
(Electronic) Receipt
Apr 4, 2019
Letter accompanying subsequently filed items
Apr 4, 2019
Written submission in preparation to/during oral proceedings
Apr 3, 2019
(Electronic) Receipt
Apr 3, 2019
Amended claims with annotations
Apr 3, 2019
Amended claims with annotations
Apr 3, 2019
Amended claims with annotations
Apr 3, 2019
Amended claims with annotations
Apr 3, 2019
Amended claims with annotations
Apr 3, 2019
Claims
Apr 3, 2019
Claims
Apr 3, 2019
Claims
Apr 3, 2019
Claims
Apr 3, 2019
Claims
Apr 3, 2019
Description
Apr 3, 2019
Letter accompanying subsequently filed items
Apr 3, 2019
Written submission in preparation to/during oral proceedings
Feb 1, 2019
Advice of delivery
Feb 1, 2019
Advice of delivery
Jan 31, 2019
Advice of delivery
Jan 30, 2019
(Electronic) Receipt
Jan 30, 2019
Letter accompanying subsequently filed items
Jan 30, 2019
Written submission in preparation to/during oral proceedings
Jan 30, 2019
Written submission in preparation to/during oral proceedings
Jan 29, 2019
Advice of delivery
Jan 29, 2019
Advice of delivery
Jan 29, 2019
Communication about missing advice of delivery
Jan 29, 2019
Communication about missing advice of delivery
Jan 22, 2019
Advice of delivery
Jan 7, 2019
Advice of delivery
Dec 31, 2018
Advice of delivery
Dec 20, 2018
Acknowledgement of a document
Dec 20, 2018
Acknowledgement of a document
Dec 20, 2018
Acknowledgement of a document
Dec 20, 2018
Acknowledgement of a document
Dec 20, 2018
Annex to the communication - opposition
Dec 20, 2018
Decision on the taking of evidence
Dec 20, 2018
Decision on the taking of evidence
Dec 20, 2018
Information concerning oral proceedings
Dec 20, 2018
Summons to attend oral proceedings
Dec 20, 2018
Summons to attend oral proceedings
Dec 20, 2018
Summons to give evidence
Dec 20, 2018
Summons to give evidence
Nov 7, 2018
Brief communication - Opposition proceedings
Nov 7, 2018
Brief communication - Opposition proceedings
Aug 28, 2018
Brief communication - Opposition proceedings
Aug 20, 2018
(Electronic) Receipt
Aug 20, 2018
Letter accompanying subsequently filed items
Aug 20, 2018
Letter regarding the opposition procedure (no time limit)
Apr 30, 2018
Brief communication - Opposition proceedings
Apr 30, 2018
Brief communication - Opposition proceedings
Apr 19, 2018
(Electronic) Receipt
Apr 19, 2018
Letter accompanying subsequently filed items
Apr 19, 2018
Non-patent literature cited during the opposition procedure
Apr 19, 2018
Non-patent literature cited during the opposition procedure
Apr 19, 2018
Reply to an examination report in opposition proceedings
Feb 27, 2018
Brief communication - Opposition proceedings
Feb 27, 2018
Grant of extension of time limit (opposition procedure)
Feb 19, 2018
Request for extension of time limit
Feb 14, 2018
(Electronic) Receipt
Feb 14, 2018
Amended claims with annotations
Feb 14, 2018
Claims
Feb 14, 2018
Description
Feb 14, 2018
Letter accompanying subsequently filed items
Feb 14, 2018
Reply to an examination report in opposition proceedings
Oct 9, 2017
Annex to the communication - opposition
Oct 9, 2017
Communication inviting the parties to file observations
Oct 9, 2017
Internal form - Opposition/addressees
Jun 2, 2017
Brief communication - Opposition proceedings
May 24, 2017
(Electronic) Receipt
May 24, 2017
Letter accompanying subsequently filed items
May 24, 2017
Non-patent literature cited during the opposition procedure
May 24, 2017
Reply of the patent proprietor to the notice(s) of opposition
Feb 14, 2017
Brief communication - Opposition proceedings
Feb 14, 2017
Communication of amended entries
Feb 3, 2017
Communication of a notice of opposition and request to file observations
Feb 3, 2017
Notice of further oppositions to opponent(s)
Jan 18, 2017
Request concerning representative opponent
Jan 10, 2017
Communication of a notice of opposition - first information to patent proprietor
Dec 30, 2016
(Electronic) Receipt
Dec 30, 2016
Any annexes (other than citation) to an opposition letter
Dec 30, 2016
Non-patent literature cited during the opposition procedure
Dec 30, 2016
Non-patent literature cited during the opposition procedure
Dec 30, 2016
Non-patent literature cited during the opposition procedure
Dec 30, 2016
Notice of opposition
Dec 30, 2016
Notice of opposition
Dec 30, 2016
Patent document cited during the opposition procedure
Mar 30, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 3, 2016
Decision to grant a European patent
Jan 26, 2016
Bibliographic data of the European patent application
Jan 26, 2016
Information about intention to grant a patent
Jan 26, 2016
Intention to grant (signatures)
Jan 26, 2016
Text intended for grant
Jan 25, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jan 13, 2016
Amended claims with annotations
Jan 13, 2016
Claims
Jan 13, 2016
English translation of the claims
Jan 13, 2016
French translation of claims
Jan 13, 2016
Payment of fees and costs
Jan 13, 2016
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Sep 3, 2015
Bibliographic data of the European patent application
Sep 3, 2015
Communication about intention to grant a European patent
Sep 3, 2015
Intention to grant (signatures)
Sep 3, 2015
Text intended for grant
Jul 10, 2015
Amended claims with annotations
Jul 10, 2015
Amended description with annotations
Jul 10, 2015
Claims
Jul 10, 2015
Description
Jul 10, 2015
Reply to 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
May 8, 2015
Brief communication to applicant/representative
Apr 20, 2015
Letter concerning the inventor
Apr 15, 2015
Annex to the communication
Apr 15, 2015
Communication from the Examining Division
Apr 9, 2015
Examination started
Aug 22, 2013
Priority search results
Aug 22, 2013
Reply to invitation to file a copy of priority search results
Aug 9, 2013
Invitation to file a copy of search results(priority)
Jul 9, 2013
Letter concerning fees and payments
Jul 9, 2013
Payment of fees and costs
Jun 28, 2013
Reply to Written Opinion prepared by the EPO
May 27, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Apr 18, 2013
Communication regarding the transmission of the European search report
Apr 18, 2013
European search opinion
Apr 18, 2013
European search report
Jan 25, 2012
Notification of forthcoming publication
Nov 7, 2011
Letter concerning the priority
Nov 7, 2011
Priority document
Aug 9, 2011
Abstract
Aug 9, 2011
Claims
Aug 9, 2011
Description
Aug 9, 2011
Designation of inventor
Aug 9, 2011
Drawings
Aug 9, 2011
Request for grant of a European patent

EP2420669

TECHNISCHE UNIVERSITT MNCHEN

Application Number: EP11006551A
Filing Date: Aug 9, 2011
Status: Revoked; Mar 31, 2023
Publication Date: Mar 30, 2016
External Links: Slate, Register , Google Patents

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Shaft Power Plant With Shaft Flushing

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2420669