Sintered Valve Seat

Patent No. EP3406865 (titled "Sintered Valve Seat") was filed by Kabushiki Kaisha Riken on Dec 1, 2017. The application was issued on Jan 29, 2020.

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	Oct 28, 2020	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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Jan 30, 2025
Decision of the Board of Appeal
Jan 30, 2025
F3032 Notification(s) of the decision
Jan 30, 2025
F3032 Notification(s) of the decision
Nov 27, 2024
F3013 Oral Proceedings: Forwarding minutes
Nov 27, 2024
F3013 Oral Proceedings: Forwarding minutes
Nov 27, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Oct 15, 2024
F3345 Forwarding of submissions to parties
Oct 9, 2024
(Electronic) Receipt
Oct 9, 2024
Request for interpreters during oral proceedings
Oct 9, 2024
Request for interpreters during oral proceedings
Sep 19, 2024
F3345 Forwarding of submissions to parties
Sep 13, 2024
(Electronic) Receipt
Sep 13, 2024
Letter accompanying subsequently filed items
Sep 13, 2024
Oral proceedings: reply to date proposed
Sep 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 5, 2023
F3011.1 Oral Proceedings: summons
Sep 5, 2023
F3011.1 Oral Proceedings: summons
Aug 31, 2023
F3010 Oral proceedings: order for summons
Jun 9, 2023
Composition of the board (T)
Mar 16, 2023
F3345 Forwarding of submissions to parties
Mar 10, 2023
(Electronic) Receipt
Mar 10, 2023
Amended claims with annotations
Mar 10, 2023
Amended claims with annotations
Mar 10, 2023
Amended claims with annotations
Mar 10, 2023
Amended claims with annotations
Mar 10, 2023
Annexes (other than cited documents) regarding appeal procedure
Mar 10, 2023
Auxiliary request during appeals procedure - 01
Mar 10, 2023
Auxiliary request during appeals procedure - 02
Mar 10, 2023
Auxiliary request during appeals procedure - 03
Mar 10, 2023
Auxiliary request during appeals procedure - 04
Mar 10, 2023
Letter accompanying subsequently filed items
Mar 10, 2023
Patent Document cited during the appeal procedure
Mar 10, 2023
Reply to appeal
Nov 11, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 26, 2022
(Electronic) Receipt
Oct 26, 2022
Letter accompanying subsequently filed items
Oct 26, 2022
Statement of grounds of appeal
Aug 18, 2022
F3204 Communication of the file number to the parties
Aug 18, 2022
F3204 Communication of the file number to the parties
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
Notice of appeal
Jun 30, 2022
Advice of delivery
Jun 28, 2022
Advice of delivery
Jun 23, 2022
(Electronic) Receipt
Jun 23, 2022
Advice of delivery
Jun 23, 2022
Annex to the communication - opposition
Jun 23, 2022
Decision of the Opposition Division and instruction
Jun 23, 2022
Decision rejecting the opposition
Jun 23, 2022
Decision rejecting the opposition
Jun 23, 2022
Grounds for the decision (Annex) - opposition
Jun 23, 2022
Letter accompanying subsequently filed items
Jun 23, 2022
Means of redress
Jun 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 23, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 23, 2022
Provision of a copy of the minutes - opposition procedure
Jun 23, 2022
Provision of a copy of the minutes - opposition procedure
Jun 23, 2022
Transmittal of decision / summons - opposition
Jun 23, 2022
Transmittal of decision / summons - opposition
Mar 8, 2022
Brief communication - Opposition proceedings
Mar 8, 2022
Information about the result of oral proceedings
Mar 2, 2022
(Electronic) Receipt
Mar 2, 2022
Auxiliary request during Opposition procedure
Mar 2, 2022
Auxiliary request during Opposition procedure - 03
Mar 2, 2022
Citation in opposition procedure - 014
Mar 2, 2022
Citation in opposition procedure - 014
Mar 2, 2022
Consolidated list of cited opposition documents
Mar 2, 2022
Letter accompanying subsequently filed items
Mar 2, 2022
Written submission in preparation to/during oral proceedings
Jan 13, 2022
Brief communication - Opposition proceedings
Jan 13, 2022
Brief communication - Opposition proceedings
Jan 7, 2022
(Electronic) Receipt
Jan 7, 2022
(Electronic) Receipt
Jan 7, 2022
(Electronic) Receipt
Jan 7, 2022
Any annexes (other than citation) to an opposition letter
Jan 7, 2022
Letter accompanying subsequently filed items
Jan 7, 2022
Letter accompanying subsequently filed items
Jan 7, 2022
Letter accompanying subsequently filed items
Jan 7, 2022
Request for interpreters during oral proceedings
Jan 7, 2022
Written submission in preparation to/during oral proceedings
Jan 7, 2022
Written submission in preparation to/during oral proceedings
Dec 7, 2021
Notification concerning the date of oral proceedings
Dec 7, 2021
Notification concerning the date of oral proceedings
Jul 6, 2021
Advice of delivery
Jun 30, 2021
Advice of delivery
Jun 30, 2021
Advice of delivery
Jun 25, 2021
Annex to the communication - opposition
Jun 25, 2021
Information concerning oral proceedings
Jun 25, 2021
Summons to attend oral proceedings
Jun 25, 2021
Summons to attend oral proceedings
Jun 25, 2021
Transmittal of decision / summons - opposition
Jun 25, 2021
Transmittal of decision / summons - opposition
Mar 22, 2021
Brief communication - Opposition proceedings
Mar 12, 2021
(Electronic) Receipt
Mar 12, 2021
Auxiliary request during Opposition procedure - 01
Mar 12, 2021
Auxiliary request during Opposition procedure - 02
Mar 12, 2021
Citation in opposition procedure - 009
Mar 12, 2021
Citation in opposition procedure - 010
Mar 12, 2021
Citation in opposition procedure - 011
Mar 12, 2021
Citation in opposition procedure - 012
Mar 12, 2021
Citation in opposition procedure - 013
Mar 12, 2021
Letter accompanying subsequently filed items
Mar 12, 2021
Reply of the patent proprietor to the notice(s) of opposition
Nov 12, 2020
Communication of a notice of opposition and request to file observations
Nov 12, 2020
Notice of further oppositions to opponent(s)
Nov 3, 2020
Communication of a notice of opposition - first information to patent proprietor
Oct 28, 2020
(Electronic) Receipt
Oct 28, 2020
Citation in opposition procedure - 001
Oct 28, 2020
Citation in opposition procedure - 002
Oct 28, 2020
Citation in opposition procedure - 003
Oct 28, 2020
Citation in opposition procedure - 004
Oct 28, 2020
Citation in opposition procedure - 005
Oct 28, 2020
Citation in opposition procedure - 006
Oct 28, 2020
Citation in opposition procedure - 007
Oct 28, 2020
Citation in opposition procedure - 008
Oct 28, 2020
Notice of opposition
Oct 28, 2020
Notice of opposition
Feb 10, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 8, 2020
Decision to grant a European patent
Nov 25, 2019
(Electronic) Receipt
Nov 25, 2019
Filing of the translations of the claims
Nov 25, 2019
French translation of claims
Nov 25, 2019
German translation of the claims
Nov 25, 2019
Letter accompanying subsequently filed items
Oct 24, 2019
Copy of the international preliminary report on patentability
Oct 24, 2019
Translation of the international preliminary report on patentability
Sep 16, 2019
Bibliographic data of the European patent application
Sep 16, 2019
Communication about intention to grant a European patent
Sep 16, 2019
Intention to grant (signatures)
Sep 16, 2019
Text intended for grant (clean copy)
Sep 16, 2019
Text intended for grant (version for approval)
Jul 31, 2019
Examination started
Jul 22, 2019
(Electronic) Receipt
Jul 22, 2019
Letter accompanying subsequently filed items
Jul 22, 2019
Maintenance of the application
Jul 12, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 26, 2019
Communication regarding the transmission of the European search report
Jun 26, 2019
European search opinion
Jun 26, 2019
Information on Search Strategy
Jun 26, 2019
Supplementary European search report
May 2, 2019
Search started
Nov 28, 2018
Submission concerning representation
Oct 31, 2018
Notification of forthcoming publication
Oct 4, 2018
Copy of the translated international search report
Aug 9, 2018
Transmission of a document (International preliminary examination report)
Jul 9, 2018
(Electronic) Receipt
Jul 9, 2018
Letter accompanying subsequently filed items
Jun 27, 2018
Confirmation of receipt of (electronically) transmitted priority document
Jun 26, 2018
Communication to designated inventor
Jun 22, 2018
Confirmation of effective date of early entry
Jun 22, 2018
Priority document (electronically transmitted)
Jun 19, 2018
Transmission of a document (International preliminary examination report)
Jun 7, 2018
Enquiry with the International Bureau
May 22, 2018
(Electronic) Receipt
May 22, 2018
Abstract
May 22, 2018
Claims
May 22, 2018
Description
May 22, 2018
Drawings
May 22, 2018
Request for entry into the European phase

EP3406865

KABUSHIKI KAISHA RIKEN

Application Number: EP17870625A
Filing Date: Dec 1, 2017
Status: Opposition Rejected; Feb 7, 2025
Publication Date: Jan 29, 2020
External Links: Slate, EP3406865B1, Google Patents

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Dossier Documents

EP3406865