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Device And Method For Cleaning An Extruder For Elastomer Mixtures

Patent No. EP3325248 (titled "Device And Method For Cleaning An Extruder For Elastomer Mixtures") was filed by Compagnie Gnrale DES Etablissements Michelin on Jul 18, 2016. The application was issued on Mar 31, 2021.

Patent Summary

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Patent Oppositions

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
TROESTER	Dec 22, 2021	SCHEFFLER

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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Feb 12, 2024
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Feb 12, 2024
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Nov 13, 2023
Advice of delivery
Nov 6, 2023
(Electronic) Receipt
Nov 6, 2023
Advice of delivery
Nov 6, 2023
Decision rejecting the opposition
Nov 6, 2023
Decision rejecting the opposition
Nov 6, 2023
Grounds for the decision (Annex) - opposition
Nov 6, 2023
Letter accompanying subsequently filed items
Nov 6, 2023
Means of redress
Nov 6, 2023
Scanned annex to a communication - opposition procedure
Nov 6, 2023
Scanned annex to a communication - opposition procedure
Nov 6, 2023
Transmittal of decision / summons - opposition
Nov 6, 2023
Transmittal of decision / summons - opposition
Nov 2, 2023
Decision of the Opposition Division and instruction
Oct 20, 2023
Communication of amended entries concerning the representative
Oct 12, 2023
Letter accompanying subsequently filed items
Oct 12, 2023
Submission concerning change of applicant's representative
Jul 17, 2023
Notification concerning the date of oral proceedings
Jul 17, 2023
Notification concerning the date of oral proceedings
Jun 28, 2023
Brief communication - Opposition proceedings
Jun 22, 2023
(Electronic) Receipt
Jun 22, 2023
Letter accompanying subsequently filed items
Jun 22, 2023
Withdrawal of a request for oral proceedings
Jun 21, 2023
(Electronic) Receipt
Jun 21, 2023
Letter accompanying subsequently filed items
Jun 21, 2023
Withdrawal of a request for oral proceedings
Dec 15, 2022
Brief communication - Opposition proceedings
Dec 8, 2022
(Electronic) Receipt
Dec 8, 2022
Letter accompanying subsequently filed items
Dec 8, 2022
Written submission in preparation to/during oral proceedings
Dec 7, 2022
Notification concerning the date of oral proceedings
Dec 7, 2022
Notification concerning the date of oral proceedings
Oct 12, 2022
Advice of delivery
Oct 6, 2022
(Electronic) Receipt
Oct 6, 2022
Advice of delivery
Oct 6, 2022
Annex to the communication - opposition
Oct 6, 2022
Information concerning oral proceedings
Oct 6, 2022
Letter accompanying subsequently filed items
Oct 6, 2022
Scanned annex to a communication - opposition procedure
Oct 6, 2022
Summons to attend oral proceedings
Oct 6, 2022
Summons to attend oral proceedings
Oct 6, 2022
Transmittal of decision / summons - opposition
Oct 6, 2022
Transmittal of decision / summons - opposition
Jun 8, 2022
Brief communication - Opposition proceedings
May 30, 2022
(Electronic) Receipt
May 30, 2022
Auxiliary request during Opposition procedure
May 30, 2022
Auxiliary request during Opposition procedure
May 30, 2022
Auxiliary request during Opposition procedure
May 30, 2022
Auxiliary request during Opposition procedure
May 30, 2022
Auxiliary request during Opposition procedure - 01
May 30, 2022
Auxiliary request during Opposition procedure - 02
May 30, 2022
Auxiliary request during Opposition procedure - 03
May 30, 2022
Auxiliary request during Opposition procedure - 04
May 30, 2022
Letter accompanying subsequently filed items
May 30, 2022
Reply of the patent proprietor to the notice(s) of opposition
May 30, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jan 19, 2022
Communication of a notice of opposition and request to file observations
Jan 19, 2022
Notice of further oppositions to opponent(s)
Jan 5, 2022
Communication of a notice of opposition - first information to patent proprietor
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Citation in opposition procedure - 001
Dec 22, 2021
Citation in opposition procedure - 001
Dec 22, 2021
Citation in opposition procedure - 002
Dec 22, 2021
Citation in opposition procedure - 003
Dec 22, 2021
Citation in opposition procedure - 004
Dec 22, 2021
Citation in opposition procedure - 005
Dec 22, 2021
Citation in opposition procedure - 006
Dec 22, 2021
Citation in opposition procedure - 007
Dec 22, 2021
Citation in opposition procedure - 008
Dec 22, 2021
Citation in opposition procedure - 009
Dec 22, 2021
Citation in opposition procedure - 010
Dec 22, 2021
Citation in opposition procedure - 011
Dec 22, 2021
Citation in opposition procedure - 011
Dec 22, 2021
Citation in opposition procedure - 012
Dec 22, 2021
Citation in opposition procedure - 012
Dec 22, 2021
Citation in opposition procedure - 013
Dec 22, 2021
Consolidated list of cited opposition documents
Dec 22, 2021
Letter accompanying subsequently filed items
Dec 22, 2021
Notice of opposition
Dec 22, 2021
Notice of opposition
Apr 13, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 4, 2021
Decision to grant a European patent
Feb 17, 2021
(Electronic) Receipt
Feb 17, 2021
English translation of the claims
Feb 17, 2021
Filing of the translations of the claims
Feb 17, 2021
German translation of the claims
Feb 17, 2021
Letter accompanying subsequently filed items
Nov 11, 2020
Communication of amended entries concerning the representative
Nov 6, 2020
(Electronic) Receipt
Nov 6, 2020
Letter accompanying subsequently filed items
Nov 6, 2020
Submission concerning change of applicant's representative
Oct 27, 2020
Bibliographic data of the European patent application
Oct 27, 2020
Communication about intention to grant a European patent
Oct 27, 2020
Intention to grant (signatures)
Oct 27, 2020
Text intended for grant (clean copy)
Oct 27, 2020
Text intended for grant (version for approval)
Sep 22, 2020
(Electronic) Receipt
Sep 22, 2020
Amended claims with annotations
Sep 22, 2020
Amended description with annotations
Sep 22, 2020
Claims
Sep 22, 2020
Description
Sep 22, 2020
Letter accompanying subsequently filed items
Sep 22, 2020
Reply to communication from the Examining Division
Aug 3, 2020
Annex to the communication
Aug 3, 2020
Communication from the Examining Division
Sep 13, 2019
(Electronic) Receipt
Sep 13, 2019
Amended claims with annotations
Sep 13, 2019
Claims
Sep 13, 2019
Letter accompanying subsequently filed items
Sep 13, 2019
Reply to communication from the Examining Division
May 17, 2019
Annex to the communication
May 17, 2019
Communication from the Examining Division
May 8, 2019
Examination started
Sep 26, 2018
Communication of the registration of a transfer or change of name and/or address
Sep 20, 2018
Submission concerning change of applicant's address
Aug 29, 2018
(Electronic) Receipt
Aug 29, 2018
Amended claims filed after receipt of (European) search report
Aug 29, 2018
Amended claims with annotations
Aug 29, 2018
Amendments received before examination
Aug 29, 2018
Letter accompanying subsequently filed items
May 3, 2018
Notification on forthcoming publication of bibliographic data
Mar 1, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 27, 2018
Communication to designated inventor
Feb 22, 2018
Priority search results copy provided by EPO
Feb 19, 2018
Submission concerning representation
Feb 5, 2018
Copy of the international preliminary report on patentability
Feb 2, 2018
(Electronic) Receipt
Feb 2, 2018
Copy of the international preliminary report on patentability
Feb 2, 2018
Request for entry into the European phase
Dec 4, 2017
Information on entry into European phase
Jul 11, 2017
Notification of the recording of a change
Feb 14, 2017
Priority document (electronically transmitted)
Jan 26, 2017
Copy of the international search report
Jan 26, 2017
Copy of the international search report
Jan 26, 2017
Published international application - A1
Oct 20, 2016
ISR: cited documents
Oct 20, 2016
International Search Report - copy in English for the IB
Oct 18, 2016
Written opinion of the ISA, boxes No. I to VIII
Oct 18, 2016
Written opinion of the ISA, cover sheet
Oct 18, 2016
Written opinion of the ISA, supplemental box
Sep 28, 2016
Incoming letter related to PCT RO
Aug 1, 2016
Notification of the international application number and of the international filing date
Jul 18, 2016
(Electronic) Receipt
Jul 18, 2016
Abstract
Jul 18, 2016
Claims
Jul 18, 2016
Description
Jul 18, 2016
Document concerning fees and payments
Jul 18, 2016
Drawings
Jul 18, 2016
Electronic request for grant of an International application

EP3325248

COMPAGNIE GNRALE DES ETABLISSEMENTS MICHELIN

Application Number: EP16741602A
Filing Date: Jul 18, 2016
Status: Opposition Rejected; Feb 9, 2024
Publication Date: Mar 31, 2021
External Links: Slate, Register , Google Patents