Drive For A Vertical Stirred Mill

Patent No. EP3271617 (titled "Drive For A Vertical Stirred Mill") was filed by Compagnie Engrenages ET Reducteurs Messian Durand on Mar 17, 2016. The application was issued on Feb 8, 2023.

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
FLENDER	Dec 1, 2020	MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB

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 12, 2023
Decision to maintain the European patent in amended form
Jan 12, 2023
Decision to maintain the European patent in amended form
Jan 9, 2023
Termination of the opposition proceedings with maintenance of patent
Dec 22, 2022
(Electronic) Receipt
Dec 22, 2022
English translation of the claims
Dec 22, 2022
Filing of the translation of the amended claims
Dec 22, 2022
German translation of the claims
Dec 22, 2022
Letter accompanying subsequently filed items
Oct 21, 2022
Communication of bibliographic data
Oct 21, 2022
Communication to opponent concerning maintenance
Oct 21, 2022
Communication with request to file translations
Sep 27, 2022
Maintenance of the patent with the documents specified in the final decision
Jun 14, 2022
Advice of delivery
Jun 14, 2022
Annex to the communication - opposition
Jun 14, 2022
Decision of the Opposition Division and instruction
Jun 14, 2022
Druckexemplar in opposition procedure
Jun 14, 2022
Grounds for the decision (Annex) - opposition
Jun 14, 2022
Interlocutory decision in opposition proceedings
Jun 14, 2022
Interlocutory decision in opposition proceedings
Jun 14, 2022
Means of redress
Jun 14, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 14, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 14, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 14, 2022
Provision of a copy of the minutes - opposition procedure
Jun 14, 2022
Provision of a copy of the minutes - opposition procedure
Jun 14, 2022
Transmittal of decision / summons - opposition
Jun 14, 2022
Transmittal of decision / summons - opposition
May 17, 2022
Information about the result of oral proceedings
May 13, 2022
(Electronic) Receipt
May 13, 2022
Citation in opposition procedure - 018
May 13, 2022
Citation in opposition procedure - 018
May 13, 2022
Citation in opposition procedure - 018
May 13, 2022
Citation in opposition procedure - 019
May 13, 2022
Citation in opposition procedure - 019
May 13, 2022
Citation in opposition procedure - 020
May 13, 2022
Citation in opposition procedure - 021
May 13, 2022
Consolidated list of cited opposition documents
May 13, 2022
Letter accompanying subsequently filed items
May 13, 2022
Written submission in preparation to/during oral proceedings
May 9, 2022
(Electronic) Receipt
May 9, 2022
Letter accompanying subsequently filed items
Apr 21, 2022
Brief communication - Opposition proceedings
Apr 21, 2022
Brief communication - Opposition proceedings
Apr 19, 2022
Communication of amended entries
Apr 12, 2022
(Electronic) Receipt
Apr 12, 2022
Letter accompanying subsequently filed items
Apr 12, 2022
Written submission in preparation to/during oral proceedings
Apr 6, 2022
Request concerning representative opponent
Mar 16, 2022
Brief communication - Opposition proceedings
Mar 10, 2022
(Electronic) Receipt
Mar 10, 2022
Auxiliary request during Opposition procedure
Mar 10, 2022
Auxiliary request during Opposition procedure - 01
Mar 10, 2022
Letter accompanying subsequently filed items
Mar 10, 2022
Main request during Opposition procedure
Mar 10, 2022
Main request during Opposition procedure
Mar 10, 2022
Written submission in preparation to/during oral proceedings
Jan 20, 2022
Notification concerning the date of oral proceedings
Jan 20, 2022
Notification concerning the date of oral proceedings
Dec 10, 2021
Brief communication - Opposition proceedings
Dec 9, 2021
Brief communication - Opposition proceedings
Dec 7, 2021
(Electronic) Receipt
Dec 7, 2021
(Electronic) Receipt
Dec 7, 2021
Citation in opposition procedure - 017
Dec 7, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Letter regarding the opposition procedure (no time limit)
Dec 7, 2021
Request for interpreters during oral proceedings
Dec 3, 2021
(Electronic) Receipt
Dec 3, 2021
Citation in opposition procedure
Dec 3, 2021
Citation in opposition procedure - 010
Dec 3, 2021
Citation in opposition procedure - 011
Dec 3, 2021
Citation in opposition procedure - 012
Dec 3, 2021
Citation in opposition procedure - 013
Dec 3, 2021
Citation in opposition procedure - 014
Dec 3, 2021
Citation in opposition procedure - 015
Dec 3, 2021
Citation in opposition procedure - 015
Dec 3, 2021
Citation in opposition procedure - 015
Dec 3, 2021
Citation in opposition procedure - 016
Dec 3, 2021
Citation in opposition procedure - 016
Dec 3, 2021
Citation in opposition procedure - 017
Dec 3, 2021
Letter accompanying subsequently filed items
Dec 3, 2021
Written submission in preparation to/during oral proceedings
Jul 14, 2021
Advice of delivery
Jul 9, 2021
Annex to the communication - opposition
Jul 9, 2021
Information concerning oral proceedings
Jul 9, 2021
Summons to attend oral proceedings
Jul 9, 2021
Summons to attend oral proceedings
Jul 9, 2021
Transmittal of decision / summons - opposition
Jul 9, 2021
Transmittal of decision / summons - opposition
Apr 30, 2021
Brief communication - Opposition proceedings
Apr 30, 2021
Communication of amended entries
Apr 30, 2021
Communication of amended entries
Apr 26, 2021
Brief communication - Opposition proceedings
Apr 20, 2021
(Electronic) Receipt
Apr 20, 2021
Auxiliary request during Opposition procedure
Apr 20, 2021
Auxiliary request during Opposition procedure
Apr 20, 2021
Auxiliary request during Opposition procedure - 01
Apr 20, 2021
Auxiliary request during Opposition procedure - 02
Apr 20, 2021
Letter accompanying subsequently filed items
Apr 20, 2021
Letter accompanying subsequently filed items
Apr 20, 2021
Reply of the patent proprietor to the notice(s) of opposition
Apr 20, 2021
Request for change of opponent's representative
Dec 18, 2020
Communication of a notice of opposition and request to file observations
Dec 18, 2020
Notice of further oppositions to opponent(s)
Dec 7, 2020
Communication of a notice of opposition - first information to patent proprietor
Dec 1, 2020
(Electronic) Receipt
Dec 1, 2020
Citation in opposition procedure
Dec 1, 2020
Citation in opposition procedure - 001
Dec 1, 2020
Citation in opposition procedure - 002
Dec 1, 2020
Citation in opposition procedure - 003
Dec 1, 2020
Citation in opposition procedure - 004
Dec 1, 2020
Citation in opposition procedure - 005
Dec 1, 2020
Citation in opposition procedure - 005
Dec 1, 2020
Citation in opposition procedure - 006
Dec 1, 2020
Citation in opposition procedure - 007
Dec 1, 2020
Citation in opposition procedure - 008
Dec 1, 2020
Citation in opposition procedure - 009
Dec 1, 2020
Notice of opposition
Dec 1, 2020
Notice of opposition
Dec 1, 2020
Published international application - A1
Mar 16, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 6, 2020
Decision to grant a European patent
Jan 24, 2020
(Electronic) Receipt
Jan 24, 2020
English translation of the claims
Jan 24, 2020
Filing of the translations of the claims
Jan 24, 2020
German translation of the claims
Jan 24, 2020
Letter accompanying subsequently filed items
Sep 26, 2019
Bibliographic data of the European patent application
Sep 26, 2019
Communication about intention to grant a European patent
Sep 26, 2019
Intention to grant (signatures)
Sep 26, 2019
Text intended for grant (clean copy)
Sep 26, 2019
Text intended for grant (version for approval)
Jan 3, 2019
(Electronic) Receipt
Jan 3, 2019
Letter accompanying subsequently filed items
Jan 3, 2019
Reply to communication from the Examining Division
Nov 16, 2018
Grant of extension of time limit (examination procedure)
Nov 13, 2018
(Electronic) Receipt
Nov 13, 2018
Letter accompanying subsequently filed items
Nov 13, 2018
Request for extension of time limit to communication from the Examining Division
Jul 18, 2018
Annex to the communication
Jul 18, 2018
Communication from the Examining Division
Jul 12, 2018
Examination started
Jan 4, 2018
(Electronic) Receipt
Jan 4, 2018
Amended claims filed after receipt of (European) search report
Jan 4, 2018
Amended claims with annotations
Jan 4, 2018
Amendments received before examination
Jan 4, 2018
Letter accompanying subsequently filed items
Jan 4, 2018
Notification on forthcoming publication of bibliographic data
Oct 25, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 20, 2017
Communication to designated inventor
Oct 18, 2017
Priority search results copy provided by EPO
Oct 2, 2017
Copy of the international preliminary report on patentability
Sep 15, 2017
(Electronic) Receipt
Sep 15, 2017
Request for entry into the European phase
Jul 26, 2017
Information on entry into European phase
Oct 11, 2016
Priority document (electronically transmitted)
Sep 22, 2016
Copy of the international search report
Sep 22, 2016
Published international application - A1
May 18, 2016
Written opinion of the ISA, boxes No. I to VIII
May 18, 2016
Written opinion of the ISA, cover sheet
May 18, 2016
Written opinion of the ISA, supplemental box
Mar 23, 2016
Notification of the international application number and of the international filing date
Mar 22, 2016
Incoming letter related to PCT RO
Mar 17, 2016
(Electronic) Receipt
Mar 17, 2016
Abstract
Mar 17, 2016
Claims
Mar 17, 2016
Description
Mar 17, 2016
Document concerning fees and payments
Mar 17, 2016
Drawings
Mar 17, 2016
Electronic request for grant of an International application

EP3271617

COMPAGNIE ENGRENAGES ET REDUCTEURS MESSIAN DURAND

Application Number: EP16710239A
Filing Date: Mar 17, 2016
Status: Patent Maintained As Amended; Jan 6, 2023
Publication Date: Feb 8, 2023
External Links: Slate, EP3271617B2, Google Patents

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Drive For A Vertical Stirred Mill

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Dossier Documents

EP3271617