IP Verse

Machine Head Transmission Device Of Warp Knitting Machine

Patent No. EP3231913 (titled "Machine Head Transmission Device Of Warp Knitting Machine") was filed by Changzhou Wujin Wuyang Textile Machinery on Apr 15, 2015. The application was issued on Sep 4, 2019.

Patent Summary

Patent Family

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
KARL MAYER R&D	May 27, 2020	KEIL & SCHAAFHAUSEN PATENTANWALTE PARTGMBB

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 13, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 13, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Mar 8, 2023
Termination of the opposition proceedings with revocation of patent
Nov 28, 2022
Advice of delivery
Nov 25, 2022
Advice of delivery
Nov 24, 2022
Annex to the communication - opposition
Nov 24, 2022
Decision of the Opposition Division and instruction
Nov 24, 2022
Decision revoking the European patent
Nov 24, 2022
Decision revoking the European patent
Nov 24, 2022
Grounds for the decision (Annex) - opposition
Nov 24, 2022
Means of redress
Nov 24, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 24, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 24, 2022
Minutes of the taking of evidence
Nov 24, 2022
Minutes of the taking of evidence
Nov 24, 2022
Provision of a copy of the minutes - opposition procedure
Nov 24, 2022
Provision of a copy of the minutes - opposition procedure
Nov 24, 2022
Scanned annex to a communication - opposition procedure
Nov 24, 2022
Scanned annex to a communication - opposition procedure
Nov 24, 2022
Transmittal of decision / summons - opposition
Nov 24, 2022
Transmittal of decision / summons - opposition
Oct 27, 2022
Information about the result of oral proceedings
Aug 31, 2022
Brief communication - Opposition proceedings
Aug 26, 2022
(Electronic) Receipt
Aug 26, 2022
Brief communication - Opposition proceedings
Aug 26, 2022
Letter accompanying subsequently filed items
Aug 26, 2022
Written submission in preparation to/during oral proceedings
Aug 23, 2022
(Electronic) Receipt
Aug 23, 2022
Auxiliary request during Opposition procedure
Aug 23, 2022
Auxiliary request during Opposition procedure
Aug 23, 2022
Auxiliary request during Opposition procedure
Aug 23, 2022
Auxiliary request during Opposition procedure
Aug 23, 2022
Auxiliary request during Opposition procedure
Aug 23, 2022
Auxiliary request during Opposition procedure
Aug 23, 2022
Auxiliary request during Opposition procedure - 02
Aug 23, 2022
Auxiliary request during Opposition procedure - 03
Aug 23, 2022
Auxiliary request during Opposition procedure - 04
Aug 23, 2022
Auxiliary request during Opposition procedure - 05
Aug 23, 2022
Auxiliary request during Opposition procedure - 06
Aug 23, 2022
Auxiliary request during Opposition procedure - 07
Aug 23, 2022
Letter accompanying subsequently filed items
Aug 23, 2022
Written submission in preparation to/during oral proceedings
Jul 22, 2022
Brief communication - Opposition proceedings
Jul 19, 2022
(Electronic) Receipt
Jul 19, 2022
Letter accompanying subsequently filed items
Jul 19, 2022
Request for interpreters during oral proceedings
Jul 14, 2022
Brief communication - Opposition proceedings
Jul 7, 2022
(Electronic) Receipt
Jul 7, 2022
Request for interpreters during oral proceedings
Apr 26, 2022
(Electronic) Receipt
Apr 26, 2022
Letter accompanying subsequently filed items
Apr 22, 2022
Notification concerning the date of oral proceedings
Apr 22, 2022
Notification concerning the date of oral proceedings
Apr 22, 2022
Notification concerning the date of oral proceedings
Apr 22, 2022
Notification concerning the date of oral proceedings
Apr 22, 2022
Notification concerning the date of oral proceedings
Dec 31, 2021
Document concerning representation
Dec 14, 2021
Brief communication - Opposition proceedings
Dec 14, 2021
Brief communication - Opposition proceedings
Dec 9, 2021
(Electronic) Receipt
Dec 9, 2021
Letter accompanying subsequently filed items
Dec 9, 2021
Written submission in preparation to/during oral proceedings
Dec 9, 2021
Written submission in preparation to/during oral proceedings
Dec 2, 2021
Advice of delivery
Dec 2, 2021
Written submission in preparation to/during oral proceedings
Nov 23, 2021
Advice of delivery
Nov 22, 2021
Advice of delivery
Nov 19, 2021
Annex to the communication - opposition
Nov 19, 2021
Summons to attend oral proceedings
Nov 19, 2021
Summons to attend oral proceedings
Nov 19, 2021
Transmittal of decision / summons - opposition
Nov 19, 2021
Transmittal of decision / summons - opposition
Sep 22, 2021
Enlargement of the examining/opposition division
Sep 15, 2021
Brief communication - Opposition proceedings
Sep 10, 2021
(Electronic) Receipt
Sep 10, 2021
Letter accompanying subsequently filed items
Sep 10, 2021
Reply to an examination report in opposition proceedings
May 17, 2021
Annex to the communication - opposition
May 17, 2021
Brief communication - Opposition proceedings
May 17, 2021
Brief communication - Opposition proceedings
May 17, 2021
Communication inviting the parties to file observations
May 17, 2021
Internal form - Opposition/addressees
Feb 22, 2021
Brief communication - Opposition proceedings
Feb 17, 2021
(Electronic) Receipt
Feb 17, 2021
Letter accompanying subsequently filed items
Feb 17, 2021
Letter regarding the opposition procedure (no time limit)
Oct 14, 2020
Brief communication - Opposition proceedings
Oct 9, 2020
(Electronic) Receipt
Oct 9, 2020
Auxiliary request during Opposition procedure
Oct 9, 2020
Auxiliary request during Opposition procedure - 01
Oct 9, 2020
Letter accompanying subsequently filed items
Oct 9, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 19, 2020
Communication of a notice of opposition and request to file observations
Jun 19, 2020
Notice of further oppositions to opponent(s)
Jun 2, 2020
Communication of a notice of opposition - first information to patent proprietor
May 27, 2020
(Electronic) Receipt
May 27, 2020
Citation in opposition procedure - 001
May 27, 2020
Citation in opposition procedure - 001
May 27, 2020
Citation in opposition procedure - 002
May 27, 2020
Citation in opposition procedure - 002
May 27, 2020
Citation in opposition procedure - 003
May 27, 2020
Citation in opposition procedure - 004
May 27, 2020
Citation in opposition procedure - 005
May 27, 2020
Citation in opposition procedure - 006
May 27, 2020
Citation in opposition procedure - 007
May 27, 2020
Citation in opposition procedure - 008
May 27, 2020
Citation in opposition procedure - 009
May 27, 2020
Citation in opposition procedure - 010
May 27, 2020
Consolidated list of cited opposition documents
May 27, 2020
Notice of opposition
May 27, 2020
Notice of opposition
Jan 13, 2020
Document concerning representation
Sep 16, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 8, 2019
Decision to grant a European patent
Jul 26, 2019
(Electronic) Receipt
Jul 26, 2019
Filing of the translations of the claims
Jul 26, 2019
French translation of claims
Jul 26, 2019
German translation of the claims
Jul 26, 2019
Letter accompanying subsequently filed items
Apr 8, 2019
Bibliographic data of the European patent application
Apr 8, 2019
Communication about intention to grant a European patent
Apr 8, 2019
Intention to grant (signatures)
Apr 8, 2019
Text intended for grant (clean copy)
Apr 8, 2019
Text intended for grant (version for approval)
Apr 4, 2019
(Electronic) Receipt
Apr 4, 2019
Letter accompanying subsequently filed items
Mar 6, 2019
Examination started
Dec 21, 2018
(Electronic) Receipt
Dec 21, 2018
Priority search results
Dec 21, 2018
Reply to invitation to file a copy of priority search results
Nov 28, 2018
Invitation to file a copy of search results(priority)
Nov 19, 2018
(Electronic) Receipt
Nov 19, 2018
Amended claims filed after receipt of (European) search report
Nov 19, 2018
Amended claims with annotations
Nov 19, 2018
Amended description filed after receipt of (European) search report
Nov 19, 2018
Amended description with annotations
Nov 19, 2018
Amendments received before examination
Nov 19, 2018
Letter accompanying subsequently filed items
Jun 6, 2018
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 18, 2018
Communication regarding the transmission of the European search report
May 18, 2018
European search opinion
May 18, 2018
Information on Search Strategy
May 18, 2018
Supplementary European search report
May 2, 2018
Search started
Mar 5, 2018
(Electronic) Receipt
Mar 5, 2018
Letter accompanying subsequently filed items
Sep 20, 2017
Notification of forthcoming publication
Jul 18, 2017
Communication regarding possible amendment of the application/payment of claims fee
Jul 14, 2017
Communication to designated inventor
Jul 14, 2017
Communication to designated inventor
Jul 14, 2017
Communication to designated inventor
Jul 14, 2017
Communication to designated inventor
Jul 14, 2017
Communication to designated inventor
Jun 27, 2017
Copy of the international preliminary report on patentability
Jun 27, 2017
Translation of the international preliminary report on patentability
Apr 21, 2017
Information on entry into European phase
Apr 19, 2017
(Electronic) Receipt
Apr 19, 2017
Abstract
Apr 19, 2017
Claims
Apr 19, 2017
Description
Apr 19, 2017
Drawings
Apr 19, 2017
Request for entry into the European phase
Jul 5, 2016
Priority document (electronically transmitted)
Jun 16, 2016
Copy of the international search report
Jun 16, 2016
Copy of the translated international search report
Jun 16, 2016
International publication pamphlet

EP3231913

CHANGZHOU WUJIN WUYANG TEXTILE MACHINERY

Application Number: EP15866522A
Filing Date: Apr 15, 2015
Status: Revoked; Mar 10, 2023
Publication Date: Sep 4, 2019
External Links: Slate, EP3231913B1, Google Patents