Multiple-Piece Oil Stripping Piston Ring With Reduced Friction

Patent No. EP3430290 (titled "Multiple-Piece Oil Stripping Piston Ring With Reduced Friction") was filed by Federal Mogul Burscheid on Nov 28, 2016. The application was issued on Jun 28, 2023.

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	Mar 15, 2021	BRP RENAUD & PARTNER MBB RECHTSANWALTE PATENTANWALTE STEUERBERATER

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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Jun 2, 2023
Decision to maintain the European patent in amended form
Jun 2, 2023
Decision to maintain the European patent in amended form
May 26, 2023
Termination of the opposition proceedings with maintenance of patent
May 23, 2023
(Electronic) Receipt
May 23, 2023
English translation of the claims
May 23, 2023
French translation of claims
May 23, 2023
Letter accompanying subsequently filed items
Mar 17, 2023
Communication of bibliographic data
Mar 17, 2023
Communication to opponent concerning maintenance
Mar 17, 2023
Communication with request to file translations
Mar 8, 2023
Maintenance of the patent with the documents specified in the final decision
Nov 30, 2022
Advice of delivery
Nov 24, 2022
Advice of delivery
Nov 23, 2022
Annex to the communication - opposition
Nov 23, 2022
Decision of the Opposition Division and instruction
Nov 23, 2022
Druckexemplar in opposition procedure
Nov 23, 2022
Grounds for the decision (Annex) - opposition
Nov 23, 2022
Interlocutory decision in opposition proceedings
Nov 23, 2022
Interlocutory decision in opposition proceedings
Nov 23, 2022
Means of redress
Nov 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 23, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 23, 2022
Provision of a copy of the minutes - opposition procedure
Nov 23, 2022
Provision of a copy of the minutes - opposition procedure
Nov 23, 2022
Scanned annex to a communication - opposition procedure
Nov 23, 2022
Transmittal of decision / summons - opposition
Nov 23, 2022
Transmittal of decision / summons - opposition
Sep 21, 2022
Information about the result of oral proceedings
Aug 3, 2022
Brief communication - Opposition proceedings
Jul 28, 2022
Brief communication - Opposition proceedings
Jul 28, 2022
Brief communication - Opposition proceedings
Jul 25, 2022
Authorisation
Jul 25, 2022
Written submission in preparation to/during oral proceedings
Jul 21, 2022
(Electronic) Receipt
Jul 21, 2022
(Electronic) Receipt
Jul 21, 2022
(Electronic) Receipt
Jul 21, 2022
Letter accompanying subsequently filed items
Jul 21, 2022
Letter accompanying subsequently filed items
Jul 21, 2022
Request for interpreters during oral proceedings
Jul 21, 2022
Written submission in preparation to/during oral proceedings
Jul 21, 2022
Written submission in preparation to/during oral proceedings
Apr 29, 2022
Brief communication - Opposition proceedings
Apr 25, 2022
Notification concerning the date of oral proceedings
Apr 25, 2022
Notification concerning the date of oral proceedings
Apr 19, 2022
Written submission in preparation to/during oral proceedings
Apr 19, 2022
Written submission in preparation to/during oral proceedings
Mar 25, 2022
Brief communication - Opposition proceedings
Mar 17, 2022
(Electronic) Receipt
Mar 17, 2022
Request for interpreters during oral proceedings
Feb 2, 2022
Advice of delivery
Feb 2, 2022
Advice of delivery
Jan 28, 2022
Annex to the communication - opposition
Jan 28, 2022
Information concerning oral proceedings
Jan 28, 2022
Request for grant of a European patent
Jan 28, 2022
Summons to attend oral proceedings
Jan 28, 2022
Summons to attend oral proceedings
Jan 28, 2022
Transmittal of decision / summons - opposition
Jan 28, 2022
Transmittal of decision / summons - opposition
Dec 31, 2021
Document concerning representation
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 1, 2021
(Electronic) Receipt
Oct 1, 2021
Auxiliary request during Opposition procedure
Oct 1, 2021
Auxiliary request during Opposition procedure
Oct 1, 2021
Auxiliary request during Opposition procedure
Oct 1, 2021
Auxiliary request during Opposition procedure
Oct 1, 2021
Auxiliary request during Opposition procedure
Oct 1, 2021
Auxiliary request during Opposition procedure
Oct 1, 2021
Auxiliary request during Opposition procedure - 01
Oct 1, 2021
Auxiliary request during Opposition procedure - 02
Oct 1, 2021
Auxiliary request during Opposition procedure - 03
Oct 1, 2021
Auxiliary request during Opposition procedure - 04
Oct 1, 2021
Auxiliary request during Opposition procedure - 05
Oct 1, 2021
Auxiliary request during Opposition procedure - 06
Oct 1, 2021
Letter accompanying subsequently filed items
Oct 1, 2021
Main request during Opposition procedure
Oct 1, 2021
Main request during Opposition procedure
Oct 1, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jun 8, 2021
Communication of a notice of opposition and request to file observations
Jun 8, 2021
Notice of further oppositions to opponent(s)
Jun 4, 2021
Brief communication - Opposition proceedings
May 20, 2021
(Electronic) Receipt
May 20, 2021
Citation in opposition procedure - 006
May 20, 2021
Citation in opposition procedure - 009
May 20, 2021
Citation in opposition procedure - 011
May 20, 2021
Consolidated list of cited opposition documents
May 20, 2021
Letter accompanying subsequently filed items
May 20, 2021
Letter regarding the opposition procedure (no time limit)
Mar 25, 2021
Request for documents
Mar 23, 2021
Communication of a notice of opposition - first information to patent proprietor
Mar 15, 2021
(Electronic) Receipt
Mar 15, 2021
Citation in opposition procedure - 001
Mar 15, 2021
Citation in opposition procedure - 002
Mar 15, 2021
Citation in opposition procedure - 003
Mar 15, 2021
Citation in opposition procedure - 004
Mar 15, 2021
Citation in opposition procedure - 005
Mar 15, 2021
Citation in opposition procedure - 005
Mar 15, 2021
Citation in opposition procedure - 006
Mar 15, 2021
Citation in opposition procedure - 007
Mar 15, 2021
Citation in opposition procedure - 008
Mar 15, 2021
Citation in opposition procedure - 009
Mar 15, 2021
Citation in opposition procedure - 010
Mar 15, 2021
Citation in opposition procedure - 010
Mar 15, 2021
Citation in opposition procedure - 011
Mar 15, 2021
International publication (Pamphlet)
Mar 15, 2021
Notice of opposition
Mar 15, 2021
Notice of opposition
Jun 29, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 25, 2020
Decision to grant a European patent
May 6, 2020
(Electronic) Receipt
May 6, 2020
English translation of the claims
May 6, 2020
Filing of the translations of the claims
May 6, 2020
French translation of claims
Feb 18, 2020
Bibliographic data of the European patent application
Feb 18, 2020
Communication about intention to grant a European patent
Feb 18, 2020
Intention to grant (signatures)
Feb 18, 2020
Text intended for grant (clean copy)
Feb 18, 2020
Text intended for grant (version for approval)
Jan 22, 2020
Examination started
Jan 13, 2020
Document concerning representation
Jun 13, 2019
(Electronic) Receipt
Jun 13, 2019
Priority search results
Jun 13, 2019
Reply to invitation to file a copy of priority search results
Jun 11, 2019
Invitation to file a copy of search results(priority)
Jan 4, 2019
Notification on forthcoming publication of bibliographic data
Oct 23, 2018
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Oct 19, 2018
Communication to designated inventor
Oct 19, 2018
Communication to designated inventor
Oct 3, 2018
Copy of the international preliminary report on patentability
May 3, 2018
(Electronic) Receipt
May 3, 2018
Request for entry into the European phase
Oct 10, 2017
Priority document (electronically transmitted)
Sep 21, 2017
Copy of the international search report
Sep 21, 2017
Copy of the international search report
Sep 21, 2017
Published international application - A1
Feb 10, 2017
Written opinion of the ISA, boxes No. I to VIII
Feb 10, 2017
Written opinion of the ISA, cover sheet
Feb 10, 2017
Written opinion of the ISA, supplemental box
Dec 16, 2016
Incoming letter related to PCT RO
Dec 5, 2016
Notification of the international application number and of the international filing date
Nov 28, 2016
(Electronic) Receipt
Nov 28, 2016
Abstract
Nov 28, 2016
Claims
Nov 28, 2016
Description
Nov 28, 2016
Document concerning fees and payments
Nov 28, 2016
Drawings
Nov 28, 2016
Electronic request for grant of an International application

EP3430290

FEDERAL MOGUL BURSCHEID

Application Number: EP16801515A
Filing Date: Nov 28, 2016
Status: Patent Maintained As Amended; May 26, 2023
Publication Date: Jun 28, 2023
External Links: Slate, EP3430290B2, Google Patents

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Multiple-Piece Oil Stripping Piston Ring With Reduced Friction

Patent Summary

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Dossier Documents

EP3430290