Mixer And Mixing Method

Patent No. EP3342571 (titled "Mixer And Mixing Method") was filed by Yoshino Gypsum on Aug 26, 2015. The application was issued on Jul 15, 2020.

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
KNAUF INSULATION	Apr 14, 2021	ZECH

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 10, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Mar 10, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 6, 2023
Termination of the opposition proceedings with maintenance of patent
Nov 28, 2022
Advice of delivery
Nov 28, 2022
Advice of delivery
Nov 22, 2022
Annex to the communication - opposition
Nov 22, 2022
Decision of the Opposition Division and instruction
Nov 22, 2022
Decision rejecting the opposition
Nov 22, 2022
Decision rejecting the opposition
Nov 22, 2022
Grounds for the decision (Annex) - opposition
Nov 22, 2022
Means of redress
Nov 22, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 22, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 22, 2022
Provision of a copy of the minutes - opposition procedure
Nov 22, 2022
Provision of a copy of the minutes - opposition procedure
Nov 22, 2022
Transmittal of decision / summons - opposition
Nov 22, 2022
Transmittal of decision / summons - opposition
Oct 6, 2022
Information about the result of oral proceedings
Oct 4, 2022
Brief communication - Opposition proceedings
Sep 27, 2022
(Electronic) Receipt
Sep 27, 2022
Letter accompanying subsequently filed items
Sep 27, 2022
Written submission in preparation to/during oral proceedings
Sep 21, 2022
Brief communication - Opposition proceedings
Sep 13, 2022
(Electronic) Receipt
Sep 13, 2022
Letter accompanying subsequently filed items
Sep 13, 2022
Oral proceedings: reply to date proposed
Aug 9, 2022
Brief communication - Opposition proceedings
Aug 5, 2022
Brief communication - Opposition proceedings
Aug 4, 2022
(Electronic) Receipt
Aug 4, 2022
Brief communication - Opposition proceedings
Aug 4, 2022
Letter accompanying subsequently filed items
Aug 4, 2022
Written submission in preparation to/during oral proceedings
Aug 2, 2022
(Electronic) Receipt
Aug 2, 2022
Citation in opposition procedure - 009
Aug 2, 2022
Citation in opposition procedure - 009
Aug 2, 2022
Citation in opposition procedure - 010
Aug 2, 2022
Consolidated list of cited opposition documents
Aug 2, 2022
Letter accompanying subsequently filed items
Aug 2, 2022
Written submission in preparation to/during oral proceedings
Aug 1, 2022
(Electronic) Receipt
Aug 1, 2022
Request for interpreters during oral proceedings
Apr 22, 2022
Notification concerning the date of oral proceedings
Apr 22, 2022
Notification concerning the date of oral proceedings
Feb 25, 2022
Advice of delivery
Feb 22, 2022
Annex to the communication - opposition
Feb 22, 2022
Information concerning oral proceedings
Feb 22, 2022
Summons to attend oral proceedings
Feb 22, 2022
Summons to attend oral proceedings
Feb 22, 2022
Transmittal of decision / summons - opposition
Feb 22, 2022
Transmittal of decision / summons - opposition
Dec 1, 2021
Brief communication - Opposition proceedings
Nov 22, 2021
(Electronic) Receipt
Nov 22, 2021
Auxiliary request during Opposition procedure
Nov 22, 2021
Auxiliary request during Opposition procedure
Nov 22, 2021
Auxiliary request during Opposition procedure
Nov 22, 2021
Auxiliary request during Opposition procedure
Nov 22, 2021
Auxiliary request during Opposition procedure
Nov 22, 2021
Auxiliary request during Opposition procedure
Nov 22, 2021
Auxiliary request during Opposition procedure
Nov 22, 2021
Auxiliary request during Opposition procedure
Nov 22, 2021
Auxiliary request during Opposition procedure
Nov 22, 2021
Auxiliary request during Opposition procedure - 01
Nov 22, 2021
Auxiliary request during Opposition procedure - 02
Nov 22, 2021
Auxiliary request during Opposition procedure - 03
Nov 22, 2021
Auxiliary request during Opposition procedure - 04
Nov 22, 2021
Auxiliary request during Opposition procedure - 05
Nov 22, 2021
Auxiliary request during Opposition procedure - 06
Nov 22, 2021
Auxiliary request during Opposition procedure - 07
Nov 22, 2021
Auxiliary request during Opposition procedure - 08
Nov 22, 2021
Auxiliary request during Opposition procedure - 09
Nov 22, 2021
Citation in opposition procedure - 007
Nov 22, 2021
Citation in opposition procedure - 008
Nov 22, 2021
Letter accompanying subsequently filed items
Nov 22, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jul 12, 2021
Brief communication - Opposition proceedings
Jul 12, 2021
Communication of a notice of opposition and request to file observations
Jul 12, 2021
Notice of further oppositions to opponent(s)
Jul 2, 2021
(Electronic) Receipt
Jul 2, 2021
Citation in opposition procedure - 005
Jul 2, 2021
Letter accompanying subsequently filed items
Jul 2, 2021
Letter regarding the opposition procedure (no time limit)
Apr 23, 2021
Brief communication - Opposition proceedings
Apr 23, 2021
Request for documents
Apr 21, 2021
Communication of a notice of opposition - first information to patent proprietor
Apr 14, 2021
(Electronic) Receipt
Apr 14, 2021
Citation in opposition procedure - 001
Apr 14, 2021
Citation in opposition procedure - 002
Apr 14, 2021
Citation in opposition procedure - 003
Apr 14, 2021
Citation in opposition procedure - 004
Apr 14, 2021
Citation in opposition procedure - 005
Apr 14, 2021
Citation in opposition procedure - 006
Apr 14, 2021
Citation in opposition procedure - 006
Apr 14, 2021
Notice of opposition
Apr 14, 2021
Notice of opposition
Jul 27, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 18, 2020
Decision to grant a European patent
Jun 5, 2020
(Electronic) Receipt
Jun 5, 2020
Filing of the translations of the claims
Jun 5, 2020
French translation of claims
Jun 5, 2020
German translation of the claims
Jun 5, 2020
Letter accompanying subsequently filed items
Mar 30, 2020
Bibliographic data of the European patent application
Mar 30, 2020
Communication about intention to grant a European patent
Mar 30, 2020
Text intended for grant (clean copy)
Mar 30, 2020
Text intended for grant (version for approval)
Mar 18, 2020
Intention to grant (signatures)
Jan 23, 2020
(Electronic) Receipt
Jan 23, 2020
Amended claims with annotations
Jan 23, 2020
Amended description with annotations
Jan 23, 2020
Claims
Jan 23, 2020
Description
Jan 23, 2020
Letter accompanying subsequently filed items
Jan 23, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Oct 1, 2019
Bibliographic data of the European patent application
Oct 1, 2019
Communication about intention to grant a European patent
Oct 1, 2019
Intention to grant (signatures)
Oct 1, 2019
Text intended for grant (clean copy)
Oct 1, 2019
Text intended for grant (version for approval)
Aug 23, 2019
Examination started
Mar 22, 2019
(Electronic) Receipt
Mar 22, 2019
Amended claims filed after receipt of (European) search report
Mar 22, 2019
Amended claims with annotations
Mar 22, 2019
Amendments received before examination
Mar 22, 2019
Letter accompanying subsequently filed items
Dec 7, 2018
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Nov 21, 2018
Communication regarding the transmission of the European search report
Nov 21, 2018
European search opinion
Nov 21, 2018
Information on Search Strategy
Nov 21, 2018
Supplementary European search report
Oct 25, 2018
Search started
Jun 6, 2018
Notification of forthcoming publication
Jun 4, 2018
(Electronic) Receipt
Jun 4, 2018
Amended claims filed after receipt of (European) search report
Jun 4, 2018
Amended claims with annotations
Jun 4, 2018
Amendments received before examination
Jun 4, 2018
Letter accompanying subsequently filed items
Apr 11, 2018
Refund of fees
Apr 11, 2018
Refund of fees
Apr 11, 2018
Refund of fees
Apr 11, 2018
Refund of fees
Apr 11, 2018
Refund of fees
Apr 11, 2018
Refund of fees
Apr 9, 2018
Communication regarding possible amendment of the application/payment of claims fee
Apr 5, 2018
Communication to designated inventor
Apr 5, 2018
Communication to designated inventor
Apr 5, 2018
Communication to designated inventor
Apr 5, 2018
Communication to designated inventor
Apr 3, 2018
Brief communication to applicant/representative
Mar 26, 2018
(Electronic) Receipt
Mar 26, 2018
Letter accompanying subsequently filed items
Mar 26, 2018
Matter concerning the application
Mar 23, 2018
Abstract
Mar 23, 2018
Claims
Mar 23, 2018
Description
Mar 23, 2018
Drawings
Mar 23, 2018
Request for entry into the European phase
Mar 12, 2018
Copy of the international preliminary report on patentability
Mar 12, 2018
Translation of the international preliminary report on patentability
Jan 5, 2018
Information on entry into European phase
Mar 2, 2017
Copy of the international search report
Mar 2, 2017
Copy of the translated international search report
Mar 2, 2017
International publication pamphlet

EP3342571

YOSHINO GYPSUM

Application Number: EP15902271A
Filing Date: Aug 26, 2015
Status: Opposition Rejected; Mar 10, 2023
Publication Date: Jul 15, 2020
External Links: Slate, Register , Google Patents

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Mixer And Mixing Method

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Dossier Documents

EP3342571