Piston Ring Having A Stepped Running Surface

Patent No. EP3565988 (titled "Piston Ring Having A Stepped Running Surface") was filed by Federal Mogul Burscheid on Jan 4, 2018. The application was issued on Feb 24, 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 24, 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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Sep 5, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Sep 5, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 31, 2023
Termination of the opposition proceedings with maintenance of patent
May 25, 2023
Advice of delivery
May 23, 2023
Advice of delivery
May 23, 2023
Advice of delivery
May 22, 2023
Decision of the Opposition Division and instruction
May 22, 2023
Decision rejecting the opposition
May 22, 2023
Decision rejecting the opposition
May 22, 2023
Grounds for the decision (Annex) - opposition
May 22, 2023
Means of redress
May 22, 2023
Transmittal of decision / summons - opposition
May 22, 2023
Transmittal of decision / summons - opposition
Apr 11, 2023
Notification concerning the date of oral proceedings
Apr 11, 2023
Notification concerning the date of oral proceedings
Mar 27, 2023
Brief communication - Opposition proceedings
Mar 17, 2023
(Electronic) Receipt
Mar 17, 2023
Letter accompanying subsequently filed items
Mar 17, 2023
Written submission in preparation to/during oral proceedings
Feb 15, 2023
Brief communication - Opposition proceedings
Feb 7, 2023
(Electronic) Receipt
Feb 7, 2023
Request for interpreters during oral proceedings
Feb 6, 2023
Notification concerning the date of oral proceedings
Feb 6, 2023
Notification concerning the date of oral proceedings
Nov 7, 2022
Advice of delivery
Oct 26, 2022
Advice of delivery
Oct 24, 2022
Annex to the communication - opposition
Oct 24, 2022
Information concerning oral proceedings
Oct 24, 2022
Scanned annex to a communication - opposition procedure
Oct 24, 2022
Summons to attend oral proceedings
Oct 24, 2022
Summons to attend oral proceedings
Oct 24, 2022
Transmittal of decision / summons - opposition
Oct 24, 2022
Transmittal of decision / summons - opposition
Jun 8, 2022
Brief communication - Opposition proceedings
May 31, 2022
(Electronic) Receipt
May 31, 2022
Letter accompanying subsequently filed items
May 31, 2022
Reply of the patent proprietor to the notice(s) of opposition
Feb 16, 2022
Communication of a notice of opposition and request to file observations
Feb 16, 2022
Notice of further oppositions to opponent(s)
Feb 4, 2022
(Electronic) Receipt
Feb 4, 2022
Citation in opposition procedure - 006
Feb 4, 2022
Citation in opposition procedure - 009
Feb 4, 2022
Consolidated list of cited opposition documents
Feb 4, 2022
Letter accompanying subsequently filed items
Feb 4, 2022
Letter regarding the opposition procedure (no time limit)
Dec 6, 2021
Request for documents
Dec 2, 2021
Communication of a notice of opposition - first information to patent proprietor
Nov 24, 2021
(Electronic) Receipt
Nov 24, 2021
Citation in opposition procedure - 001
Nov 24, 2021
Citation in opposition procedure - 002
Nov 24, 2021
Citation in opposition procedure - 003
Nov 24, 2021
Citation in opposition procedure - 004
Nov 24, 2021
Citation in opposition procedure - 005
Nov 24, 2021
Citation in opposition procedure - 006
Nov 24, 2021
Citation in opposition procedure - 007
Nov 24, 2021
Citation in opposition procedure - 007
Nov 24, 2021
Citation in opposition procedure - 008
Nov 24, 2021
Citation in opposition procedure - 009
Nov 24, 2021
Citation in opposition procedure - 010
Nov 24, 2021
Citation in opposition procedure - 011
Nov 24, 2021
Citation in opposition procedure - 012
Nov 24, 2021
Citation in opposition procedure - 013
Nov 24, 2021
Citation in opposition procedure - 014
Nov 24, 2021
Citation in opposition procedure - 015
Nov 24, 2021
Citation in opposition procedure - 016
Nov 24, 2021
Citation in opposition procedure - 016
Nov 24, 2021
Citation in opposition procedure - 017
Nov 24, 2021
Citation in opposition procedure - 018
Nov 24, 2021
International publication (Pamphlet)
Nov 24, 2021
Notice of opposition
Nov 24, 2021
Notice of opposition
Mar 8, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 28, 2021
Decision to grant a European patent
Dec 30, 2020
(Electronic) Receipt
Dec 30, 2020
English translation of the claims
Dec 30, 2020
Filing of the translations of the claims
Dec 30, 2020
French translation of claims
Sep 11, 2020
Bibliographic data of the European patent application
Sep 11, 2020
Communication about intention to grant a European patent
Sep 11, 2020
Intention to grant (signatures)
Sep 11, 2020
Text intended for grant (clean copy)
Sep 11, 2020
Text intended for grant (version for approval)
Jul 31, 2020
Examination started
Apr 6, 2020
(Electronic) Receipt
Apr 6, 2020
Priority search results
Apr 6, 2020
Reply to invitation to file a copy of priority search results
Apr 2, 2020
Invitation to file a copy of search results(priority)
Jan 13, 2020
Document concerning representation
Oct 16, 2019
Notification on forthcoming publication of bibliographic data
Aug 13, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Aug 9, 2019
Communication to designated inventor
Aug 9, 2019
Communication to designated inventor
Aug 9, 2019
Communication to designated inventor
Jul 18, 2019
Annexes to the international preliminary examination report
Jul 18, 2019
Copy of the international preliminary examination report
Apr 17, 2019
Refund of fees
Apr 15, 2019
Information regarding early processing
Apr 2, 2019
(Electronic) Receipt
Apr 2, 2019
Annex
Apr 2, 2019
Request for entry into the European phase
Mar 18, 2019
Annex to International preliminary examination report
Mar 18, 2019
International preliminary examination report
Mar 18, 2019
International preliminary examination report - free text sheet
Mar 18, 2019
International preliminary examination report - points I-VIII
Mar 18, 2019
Transmittal of International Preliminary Examination Report
Jan 8, 2019
(Electronic) Receipt
Jan 8, 2019
Incoming letter related to PCT RO
Jan 8, 2019
PCT(IPEA): Amended sheet - claims
Jan 8, 2019
PCT(IPEA): Amended sheet - claims
Jan 8, 2019
Reply to communication PCT/IPEA/408
Nov 13, 2018
Written opinion
Nov 13, 2018
Written opinion - free text sheet
Nov 13, 2018
Written opinion - points I-VIII
Sep 26, 2018
Notification of election of EPO
Aug 13, 2018
Notification of receipt of demand
Aug 3, 2018
Priority document (electronically transmitted)
Jul 31, 2018
(Electronic) Receipt
Jul 31, 2018
PCT demand form
Jul 31, 2018
PCT(IPEA): Amended sheet - claims
Jul 31, 2018
PCT(IPEA): Amended sheet - claims
Jul 31, 2018
PCT(IPEA): Amended sheet - claims
Jul 31, 2018
PCT(IPEA): Amended sheet - claims
Jul 31, 2018
Payment of fees and costs
Jul 31, 2018
Reply to International Search Opinion
Jul 12, 2018
Copy of the international search report
Jul 12, 2018
Copy of the international search report
Jul 12, 2018
Published international application - A1
Mar 27, 2018
Written opinion of the ISA, boxes No. I to VIII
Mar 27, 2018
Written opinion of the ISA, cover sheet
Mar 27, 2018
Written opinion of the ISA, supplemental box
Feb 2, 2018
Notification of the international application number and of the international filing date
Jan 31, 2018
Incoming letter related to PCT RO
Jan 4, 2018
(Electronic) Receipt
Jan 4, 2018
Abstract
Jan 4, 2018
Claims
Jan 4, 2018
Description
Jan 4, 2018
Document concerning fees and payments
Jan 4, 2018
Drawings
Jan 4, 2018
Electronic request for grant of an International application

EP3565988

FEDERAL MOGUL BURSCHEID

Application Number: EP18700854A
Filing Date: Jan 4, 2018
Status: Opposition Rejected; Sep 1, 2023
Publication Date: Feb 24, 2021
External Links: Slate, EP3565988B1, Google Patents

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Piston Ring Having A Stepped Running Surface

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Dossier Documents

EP3565988