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Threaded Interface Buffer Provided With Anti-Rotation Structures

Patent No. EP3514037 (titled "Threaded Interface Buffer Provided With Anti-Rotation Structures") was filed by Crrc Qingdao Sifang Rolling Stock Research Institute on Dec 9, 2016. The application was issued on Aug 5, 2020.

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
VOITH PATENT	May 5, 2021	DR WEITZEL & PARTNER

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 22, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 22, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Feb 17, 2023
Termination of the opposition proceedings with revocation of patent
Nov 14, 2022
Advice of delivery
Nov 8, 2022
Annex to the communication - opposition
Nov 8, 2022
Decision of the Opposition Division and instruction
Nov 8, 2022
Decision revoking the European patent
Nov 8, 2022
Decision revoking the European patent
Nov 8, 2022
Grounds for the decision (Annex) - opposition
Nov 8, 2022
Means of redress
Nov 8, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 8, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 8, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 8, 2022
Provision of a copy of the minutes - opposition procedure
Nov 8, 2022
Provision of a copy of the minutes - opposition procedure
Nov 8, 2022
Scanned annex to a communication - opposition procedure
Nov 8, 2022
Transmittal of decision / summons - opposition
Nov 8, 2022
Transmittal of decision / summons - opposition
Sep 16, 2022
Information about the result of oral proceedings
Jul 8, 2022
Brief communication - Opposition proceedings
Jul 5, 2022
(Electronic) Receipt
Jul 5, 2022
Letter accompanying subsequently filed items
Jul 5, 2022
Written submission in preparation to/during oral proceedings
May 6, 2022
Notification concerning the date of oral proceedings
May 6, 2022
Notification concerning the date of oral proceedings
Apr 29, 2022
(Electronic) Receipt
Apr 29, 2022
Letter accompanying subsequently filed items
Apr 29, 2022
Notification concerning the date of oral proceedings
Apr 29, 2022
Notification concerning the date of oral proceedings
Apr 29, 2022
Written submission in preparation to/during oral proceedings
Jan 11, 2022
Advice of delivery
Jan 10, 2022
Annex to the communication - opposition
Jan 10, 2022
Information concerning oral proceedings
Jan 10, 2022
Summons to attend oral proceedings
Jan 10, 2022
Summons to attend oral proceedings
Jan 10, 2022
Transmittal of decision / summons - opposition
Jan 10, 2022
Transmittal of decision / summons - opposition
Sep 20, 2021
Document concerning representation
May 21, 2021
Communication of a notice of opposition and request to file observations
May 21, 2021
Notice of further oppositions to opponent(s)
May 10, 2021
Communication of a notice of opposition - first information to patent proprietor
May 5, 2021
(Electronic) Receipt
May 5, 2021
Citation in opposition procedure - 001
May 5, 2021
Citation in opposition procedure - 002
May 5, 2021
Citation in opposition procedure - 003
May 5, 2021
Citation in opposition procedure - 004
May 5, 2021
Citation in opposition procedure - 005
May 5, 2021
Citation in opposition procedure - 006
May 5, 2021
Citation in opposition procedure - 007
May 5, 2021
Citation in opposition procedure - 008
May 5, 2021
Citation in opposition procedure - 009
May 5, 2021
Citation in opposition procedure - 010
May 5, 2021
Citation in opposition procedure - 011
May 5, 2021
Citation in opposition procedure - 011
May 5, 2021
Citation in opposition procedure - 011
May 5, 2021
Citation in opposition procedure - 012
May 5, 2021
Citation in opposition procedure - 013
May 5, 2021
Citation in opposition procedure - 014
May 5, 2021
Notice of opposition
May 5, 2021
Notice of opposition
Aug 17, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 9, 2020
Decision to grant a European patent
Jun 26, 2020
(Electronic) Receipt
Jun 26, 2020
Filing of the translations of the claims
Jun 26, 2020
French translation of claims
Jun 26, 2020
German translation of the claims
Jun 26, 2020
Letter accompanying subsequently filed items
Apr 14, 2020
Bibliographic data of the European patent application
Apr 14, 2020
Communication about intention to grant a European patent
Apr 14, 2020
Intention to grant (signatures)
Apr 14, 2020
Text intended for grant (clean copy)
Apr 14, 2020
Text intended for grant (version for approval)
Mar 11, 2020
Examination started
Nov 6, 2019
(Electronic) Receipt
Nov 6, 2019
Letter accompanying subsequently filed items
Nov 6, 2019
Maintenance of the application
Oct 9, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 20, 2019
Communication regarding the transmission of the European search report
Sep 20, 2019
European search opinion
Sep 20, 2019
Information on Search Strategy
Sep 20, 2019
Supplementary European search report
Sep 9, 2019
Search started
Jun 26, 2019
Notification of forthcoming publication
May 21, 2019
Copy of the international preliminary examination report
May 21, 2019
Translation of the international preliminary examination report
May 9, 2019
Annexes to the international preliminary examination report
May 9, 2019
Copy of the international preliminary examination report
May 9, 2019
Reply by International Bureau
May 9, 2019
Translation of the international preliminary examination report
May 9, 2019
Transmission of a document (International preliminary examination report)
Apr 29, 2019
Communication to designated inventor
Apr 29, 2019
Communication to designated inventor
Apr 29, 2019
Communication to designated inventor
Apr 29, 2019
Confirmation of effective date of early entry
Apr 29, 2019
Enquiry with the International Bureau
Apr 17, 2019
(Electronic) Receipt
Apr 17, 2019
Abstract
Apr 17, 2019
Amendments received before examination
Apr 17, 2019
Annex
Apr 17, 2019
Claims
Apr 17, 2019
Description
Apr 17, 2019
Drawings
Apr 17, 2019
Priority search results
Apr 17, 2019
Request for entry into the European phase
Apr 17, 2019
Translation of the annexes to the International Preliminary Examination Report
Nov 16, 2018
Notification of the recording of a change
Aug 20, 2018
Information on entry into European phase
Oct 30, 2017
Priority document (electronically transmitted)
Oct 17, 2017
Notification of election of EPO
Oct 12, 2017
Copy of the international search report
Oct 12, 2017
Copy of the translated international search report
Oct 12, 2017
International publication pamphlet

EP3514037

CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE

Application Number: EP16897772A
Filing Date: Dec 9, 2016
Status: Revoked; Feb 24, 2023
Publication Date: Aug 5, 2020
External Links: Slate, Register , Google Patents