Double/Triple-Layer Valve Guide

Patent No. EP3084154 (titled "Double/Triple-Layer Valve Guide") was filed by Bleistahl Produktions on Dec 16, 2014. The application was issued on Nov 3, 2021.

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
MAHLE	Nov 21, 2018	EINSIEDLER

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

Get instant alerts for new documents

Oct 7, 2021
Decision to maintain the European patent in amended form
Oct 7, 2021
Decision to maintain the European patent in amended form
Oct 1, 2021
Termination of the opposition proceedings with maintenance of patent
Sep 22, 2021
(Electronic) Receipt
Sep 22, 2021
English translation of the claims
Sep 22, 2021
French translation of claims
Sep 22, 2021
Letter accompanying subsequently filed items
Jun 14, 2021
Communication of bibliographic data
Jun 14, 2021
Communication to opponent concerning maintenance
Jun 14, 2021
Communication with request to file translations
Jun 8, 2021
Maintenance of the patent with the documents specified in the final decision
Mar 29, 2021
Advice of delivery
Mar 3, 2021
Advice of delivery
Feb 27, 2021
Advice of delivery
Feb 25, 2021
Annex to the communication - opposition
Feb 25, 2021
Decision of the Opposition Division and instruction
Feb 25, 2021
Druckexemplar in opposition procedure
Feb 25, 2021
Grounds for the decision (Annex) - opposition
Feb 25, 2021
Interlocutory decision in opposition proceedings
Feb 25, 2021
Interlocutory decision in opposition proceedings
Feb 25, 2021
Interlocutory decision in opposition proceedings
Feb 25, 2021
Internal form - Opposition/addressees
Feb 25, 2021
Internal form - Opposition/addressees
Feb 25, 2021
Means of redress
Feb 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 25, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 25, 2021
Provision of a copy of the minutes - opposition procedure
Feb 25, 2021
Provision of a copy of the minutes - opposition procedure
Feb 25, 2021
Provision of a copy of the minutes - opposition procedure
Feb 25, 2021
Scanned annex to a communication - opposition procedure
Feb 25, 2021
Scanned annex to a communication - opposition procedure
Feb 25, 2021
Transmittal of decision / summons - opposition
Feb 25, 2021
Transmittal of decision / summons - opposition
Jan 25, 2021
Information about the result of oral proceedings
Dec 7, 2020
Notification concerning the date of oral proceedings
Dec 7, 2020
Notification concerning the date of oral proceedings
Nov 30, 2020
Brief communication - Opposition proceedings
Nov 24, 2020
(Electronic) Receipt
Nov 24, 2020
Auxiliary request during Opposition procedure
Nov 24, 2020
Auxiliary request during Opposition procedure - 03
Nov 24, 2020
Letter accompanying subsequently filed items
Nov 24, 2020
Letter regarding the opposition procedure (no time limit)
Sep 30, 2020
Brief communication - Opposition proceedings
Sep 24, 2020
(Electronic) Receipt
Sep 24, 2020
Letter accompanying subsequently filed items
Sep 24, 2020
Request for interpreters during oral proceedings
Jul 22, 2020
Advice of delivery
Jul 17, 2020
Advice of delivery
Jul 14, 2020
Acknowledgement of a document
Jul 14, 2020
Acknowledgement of a document
Jul 14, 2020
Annex to the communication - opposition
Jul 14, 2020
Information concerning oral proceedings
Jul 14, 2020
Summons to attend oral proceedings
Jul 14, 2020
Summons to attend oral proceedings
Jun 5, 2020
Notification concerning the date of oral proceedings
Jun 5, 2020
Notification concerning the date of oral proceedings
May 12, 2020
Brief communication - Opposition proceedings
May 4, 2020
(Electronic) Receipt
May 4, 2020
Auxiliary request during Opposition procedure
May 4, 2020
Auxiliary request during Opposition procedure
May 4, 2020
Auxiliary request during Opposition procedure - 01
May 4, 2020
Auxiliary request during Opposition procedure - 02
May 4, 2020
Letter accompanying subsequently filed items
May 4, 2020
Letter regarding the opposition procedure (no time limit)
Apr 30, 2020
Brief communication - Opposition proceedings
Apr 24, 2020
Letter regarding the opposition procedure (no time limit)
Apr 21, 2020
Brief communication - Opposition proceedings
Apr 21, 2020
Communication of amended entries
Apr 8, 2020
Request concerning representative opponent
Dec 12, 2019
Advice of delivery
Dec 6, 2019
Advice of delivery
Dec 3, 2019
Acknowledgement of a document
Dec 3, 2019
Acknowledgement of a document
Dec 3, 2019
Notification concerning the date of oral proceedings
Dec 3, 2019
Notification concerning the date of oral proceedings
Dec 3, 2019
Summons to attend oral proceedings
Dec 3, 2019
Summons to attend oral proceedings
Nov 28, 2019
Brief communication - Opposition proceedings
Nov 23, 2019
Oral proceedings: Request for postponement
Nov 4, 2019
Advice of delivery
Oct 18, 2019
Advice of delivery
Oct 17, 2019
Advice of delivery
Oct 16, 2019
Advice of delivery
Oct 15, 2019
Acknowledgement of a document
Oct 15, 2019
Acknowledgement of a document
Oct 15, 2019
Annex to the communication - opposition
Oct 15, 2019
Information concerning oral proceedings
Oct 15, 2019
Summons to attend oral proceedings
Oct 15, 2019
Summons to attend oral proceedings
Oct 4, 2019
Brief communication - Opposition proceedings
Sep 27, 2019
Letter regarding the opposition procedure (no time limit)
Apr 23, 2019
Brief communication - Opposition proceedings
Apr 16, 2019
(Electronic) Receipt
Apr 16, 2019
Auxiliary request during Opposition procedure
Apr 16, 2019
Letter accompanying subsequently filed items
Apr 16, 2019
Reply of the patent proprietor to the notice(s) of opposition
Dec 6, 2018
Communication of a notice of opposition - first information to patent proprietor
Dec 6, 2018
Communication of a notice of opposition and request to file observations
Dec 6, 2018
Notice of further oppositions to opponent(s)
Nov 27, 2018
Letter regarding the opposition procedure (no time limit)
Nov 27, 2018
Non-patent literature cited during the opposition procedure
Nov 27, 2018
Non-patent literature cited during the opposition procedure
Nov 27, 2018
Non-patent literature cited during the opposition procedure
Nov 27, 2018
Non-patent literature cited during the opposition procedure
Nov 27, 2018
Patent document cited during the opposition procedure
Nov 27, 2018
Patent document cited during the opposition procedure
Nov 27, 2018
Patent document cited during the opposition procedure
Nov 27, 2018
Patent document cited during the opposition procedure
Nov 27, 2018
Patent document cited during the opposition procedure
Nov 27, 2018
Patent document cited during the opposition procedure
Nov 27, 2018
Patent document cited during the opposition procedure
Nov 21, 2018
Notice of opposition
Mar 9, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 25, 2018
Decision to grant a European patent
Jan 9, 2018
Brief communication to applicant/representative
Jan 3, 2018
(Electronic) Receipt
Jan 3, 2018
English translation of the claims
Jan 3, 2018
Filing of the translations of the claims
Jan 3, 2018
French translation of claims
Jan 3, 2018
Letter accompanying subsequently filed items
Sep 29, 2017
Submission concerning representation
Aug 29, 2017
Bibliographic data of the European patent application
Aug 29, 2017
Communication about intention to grant a European patent
Aug 29, 2017
Intention to grant (signatures)
Aug 29, 2017
Text intended for grant (clean copy)
Aug 29, 2017
Text intended for grant (version for approval)
Aug 1, 2017
Examination started
May 26, 2017
(Electronic) Receipt
May 26, 2017
Letter accompanying subsequently filed items
May 26, 2017
Statement of non-availability of priority search results
Mar 17, 2017
Invitation to file a copy of search results(priority)
Oct 5, 2016
Communication to designated inventor
Sep 28, 2016
Notification on forthcoming publication of bibliographic data
Sep 16, 2016
(Electronic) Receipt
Sep 16, 2016
Letter accompanying subsequently filed items
Sep 16, 2016
Letter concerning the inventor
Sep 13, 2016
Confirmation of revocation of automatic debit order
Sep 8, 2016
Letter relating to the automatic debiting procedure
Aug 26, 2016
Invitation to indicate correct address of inventor
Aug 22, 2016
Letter which had not been notified
Jul 29, 2016
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jul 27, 2016
Communication to designated inventor
Jul 27, 2016
Communication to designated inventor
Jul 27, 2016
Communication to designated inventor
Jul 27, 2016
Communication to designated inventor
Jul 14, 2016
(Electronic) Receipt
Jul 14, 2016
Request for entry into the European phase
Jul 5, 2016
Copy of the international preliminary report on patentability
May 2, 2016
Information on entry into European phase
Nov 19, 2015
Copy of the international search report
Nov 19, 2015
Copy of the international search report
Nov 19, 2015
International publication of the international search report
Oct 1, 2015
Written opinion of the ISA, boxes No. I to VIII
Oct 1, 2015
Written opinion of the ISA, cover sheet
Oct 1, 2015
Written opinion of the ISA, supplemental box
Jul 13, 2015
Priority document (electronically transmitted)
Jun 25, 2015
Published international application - A2
Dec 16, 2014
(Electronic) Receipt
Dec 16, 2014
Abstract
Dec 16, 2014
Claims
Dec 16, 2014
Description
Dec 16, 2014
Drawings

EP3084154

BLEISTAHL PRODUKTIONS

Application Number: EP14827738A
Filing Date: Dec 16, 2014
Status: Patent Maintained As Amended; Oct 1, 2021
Publication Date: Nov 3, 2021
External Links: Slate, Register , Google Patents

IP Verse

Double/Triple-Layer Valve Guide

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3084154