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IP Verse

Piston Ring And Method For Manufacturing Same - EP3064810

The patent EP3064810 was granted to Kabushiki Kaisha Riken on Mar 31, 2021. The application was filed on Oct 27, 2014 under application number EP14857089A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3064810

KABUSHIKI KAISHA RIKEN

Application Number: EP14857089A
Filing Date: Oct 27, 2014
Status: Patent Maintained As Amended; Feb 26, 2021
Publication Date: Mar 31, 2021
External Links: Slate, Register, Google Patents

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	Opposition Status
FEDERAL MOGUL BURSCHEID	Jan 11, 2019	HOFFMANN EITLE	-

Patent Citations (22) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	JP2001316800
DESCRIPTION	JP2006250348
DESCRIPTION	JP2007169698
DESCRIPTION	JP2008025728
DESCRIPTION	JP2013091853
DESCRIPTION	JPH11172413
INTERNATIONAL-SEARCH-REPORT	JP2005060810
INTERNATIONAL-SEARCH-REPORT	JP2010506082
INTERNATIONAL-SEARCH-REPORT	JP2013091853
INTERNATIONAL-SEARCH-REPORT	JP4839120B
INTERNATIONAL-SEARCH-REPORT	JPH11335813
OPPOSITION	CN2733013Y
OPPOSITION	DE102004028486
OPPOSITION	EP0707092
OPPOSITION	EP0905419
OPPOSITION	JP2004169137
OPPOSITION	JP2011173244
OPPOSITION	JP2013091853
OPPOSITION	US2010044968
OPPOSITION	WO2012176846
SEARCH	CN102080207
SEARCH	JP2013091853

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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Mar 4, 2021
Decision to maintain the European patent in amended form
OPPO
Mar 4, 2021
Decision to maintain the European patent in amended form
OPPO
Feb 26, 2021
Termination of the opposition proceedings with maintenance of patent
OPPO
Feb 18, 2021
(Electronic) Receipt
OPPO
Feb 18, 2021
Clean copy of description pages in the opposition procedure
OPPO
Feb 18, 2021
Filing of the translation of the amended claims
OPPO
Feb 18, 2021
Letter accompanying subsequently filed items
OPPO
Jan 13, 2021
Brief communication - Opposition proceedings
OPPO
Jan 13, 2021
Communication concerning surcharge and failure to observe time limit
OPPO
Oct 15, 2020
(Electronic) Receipt
OPPO
Oct 15, 2020
Filing of the translation of the amended claims
OPPO
Oct 15, 2020
French translation of claims
OPPO
Oct 15, 2020
German translation of the claims
OPPO
Oct 15, 2020
Letter accompanying subsequently filed items
OPPO
Aug 11, 2020
Communication of bibliographic data
OPPO
Aug 11, 2020
Communication to opponent concerning maintenance
OPPO
Aug 11, 2020
Communication with request to file translations
OPPO
Aug 6, 2020
Maintenance of the patent with the documents specified in the final decision
OPPO
Jun 24, 2020
Brief communication - Opposition proceedings
OPPO
Jun 24, 2020
Brief communication - Opposition proceedings
OPPO
Jun 18, 2020
(Electronic) Receipt
OPPO
Jun 18, 2020
Letter accompanying subsequently filed items
OPPO
Jun 18, 2020
Letter regarding the opposition procedure (no time limit)
OPPO
Feb 19, 2020
Advice of delivery
OPPO
Feb 18, 2020
Advice of delivery
OPPO
Feb 17, 2020
Acknowledgement of a document
OPPO
Feb 17, 2020
Acknowledgement of a document
OPPO
Feb 17, 2020
Annex to the communication - opposition
OPPO
Feb 17, 2020
Decision of the Opposition Division and instruction
OPPO
Feb 17, 2020
Grounds for the decision (Annex) - opposition
OPPO
Feb 17, 2020
Interlocutory decision in opposition proceedings
OPPO
Feb 17, 2020
Internal form - Opposition/addressees
OPPO
Feb 17, 2020
Internal form - Opposition/addressees
OPPO
Feb 17, 2020
Means of redress
OPPO
Feb 17, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Feb 17, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Feb 17, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
Feb 17, 2020
OPPODREX with handwritten amendments
OPPO
Feb 17, 2020
Provision of a copy of the minutes - opposition procedure
OPPO
Feb 17, 2020
Scanned annex to a communication - opposition procedure
OPPO
Jan 17, 2020
Information about the result of oral proceedings
OPPO
Nov 21, 2019
Brief communication - Opposition proceedings
OPPO
Nov 14, 2019
(Electronic) Receipt
OPPO
Nov 14, 2019
Citation in opposition procedure - 010
OPPO
Nov 14, 2019
Citation in opposition procedure - 011
OPPO
Nov 14, 2019
Consolidated list of cited opposition documents
OPPO
Nov 14, 2019
Letter accompanying subsequently filed items
OPPO
Nov 14, 2019
Written submission in preparation to/during oral proceedings
OPPO
Nov 13, 2019
Brief communication - Opposition proceedings
OPPO
Nov 13, 2019
Brief communication - Opposition proceedings
OPPO
Nov 8, 2019
(Electronic) Receipt
OPPO
Nov 8, 2019
(Electronic) Receipt
OPPO
Nov 8, 2019
Amended claims with annotations
OPPO
Nov 8, 2019
Amended claims with annotations
OPPO
Nov 8, 2019
Amended claims with annotations
OPPO
Nov 8, 2019
Amended claims with annotations
OPPO
Nov 8, 2019
Claims
OPPO
Nov 8, 2019
Claims
OPPO
Nov 8, 2019
Claims
OPPO
Nov 8, 2019
Claims
OPPO
Nov 8, 2019
Claims
OPPO
Nov 8, 2019
Letter accompanying subsequently filed items
OPPO
Nov 8, 2019
Letter accompanying subsequently filed items
OPPO
Nov 8, 2019
Request for interpreters during oral proceedings
OPPO
Nov 8, 2019
Written submission in preparation to/during oral proceedings
OPPO
Jul 2, 2019
Advice of delivery
OPPO
Jul 1, 2019
Advice of delivery
OPPO
Jun 28, 2019
Advice of delivery
OPPO
Jun 27, 2019
Advice of delivery
OPPO
Jun 26, 2019
Acknowledgement of a document
OPPO
Jun 26, 2019
Acknowledgement of a document
OPPO
Jun 26, 2019
Annex to the communication - opposition
OPPO
Jun 26, 2019
Information concerning oral proceedings
OPPO
Jun 26, 2019
Summons to attend oral proceedings
OPPO
Jun 26, 2019
Summons to attend oral proceedings
OPPO
Jun 3, 2019
Brief communication - Opposition proceedings
OPPO
May 28, 2019
(Electronic) Receipt
OPPO
May 28, 2019
Amended claims with annotations
OPPO
May 28, 2019
Amended claims with annotations
OPPO
May 28, 2019
Any annexes (other than citation) to an opposition letter
OPPO
May 28, 2019
Any annexes (other than citation) to an opposition letter
OPPO
May 28, 2019
Claims
OPPO
May 28, 2019
Claims
OPPO
May 28, 2019
Letter accompanying subsequently filed items
OPPO
May 28, 2019
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Jan 28, 2019
Communication of a notice of opposition and request to file observations
OPPO
Jan 28, 2019
Notice of further oppositions to opponent(s)
OPPO
Jan 24, 2019
Communication of a notice of opposition - first information to patent proprietor
OPPO
Jan 11, 2019
(Electronic) Receipt
OPPO
Jan 11, 2019
Citation in opposition procedure - 001
OPPO
Jan 11, 2019
Citation in opposition procedure - 002
OPPO
Jan 11, 2019
Citation in opposition procedure - 002
OPPO
Jan 11, 2019
Citation in opposition procedure - 003
OPPO
Jan 11, 2019
Citation in opposition procedure - 004
OPPO
Jan 11, 2019
Citation in opposition procedure - 005
OPPO
Jan 11, 2019
Citation in opposition procedure - 005
OPPO
Jan 11, 2019
Citation in opposition procedure - 006
OPPO
Jan 11, 2019
Citation in opposition procedure - 007
OPPO
Jan 11, 2019
Citation in opposition procedure - 007
OPPO
Jan 11, 2019
Citation in opposition procedure - 008
OPPO
Jan 11, 2019
Citation in opposition procedure - 008
OPPO
Jan 11, 2019
Citation in opposition procedure - 009
OPPO
Jan 11, 2019
Citation in opposition procedure - 009
OPPO
Jan 11, 2019
Notice of opposition
OPPO
Jan 11, 2019
Notice of opposition
OPPO
Nov 28, 2018
Submission concerning representation
Search/Exam
Apr 23, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Mar 15, 2018
Decision to grant a European patent
Search/Exam
Feb 27, 2018
(Electronic) Receipt
Search/Exam
Feb 27, 2018
Filing of the translations of the claims
Search/Exam
Feb 27, 2018
French translation of claims
Search/Exam
Feb 27, 2018
German translation of the claims
Search/Exam
Feb 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2017
Bibliographic data of the European patent application
Search/Exam
Nov 6, 2017
Communication about intention to grant a European patent
Search/Exam
Nov 6, 2017
Intention to grant (signatures)
Search/Exam
Nov 6, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 6, 2017
Text intended for grant (version for approval)
Search/Exam
Oct 13, 2017
Examination started
Search/Exam
Sep 18, 2017
(Electronic) Receipt
Search/Exam
Sep 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 18, 2017
Maintenance of the application
Search/Exam
Apr 11, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Search/Exam
Mar 24, 2017
Communication regarding the transmission of the European search report
Search/Exam
Mar 24, 2017
European search opinion
Search/Exam
Mar 24, 2017
Information on Search Strategy
Search/Exam
Mar 24, 2017
Supplementary European search report
Search/Exam
Mar 15, 2017
Search started
Search/Exam
Aug 10, 2016
Notification of forthcoming publication
Search/Exam
Jun 16, 2016
Communication regarding possible amendment of the application/payment of claims fee
Search/Exam
Jun 3, 2016
Communication to designated inventor
Search/Exam
Jun 3, 2016
Communication to designated inventor
Search/Exam
Jun 3, 2016
Communication to designated inventor
Search/Exam
Jun 3, 2016
Communication to designated inventor
Search/Exam
May 27, 2016
Communication for party to proceedings/third party
Search/Exam
May 18, 2016
Copy of the international preliminary report on patentability
Search/Exam
May 18, 2016
Translation of the international preliminary report on patentability
Search/Exam
May 6, 2016
Submission concerning representation
Search/Exam
Apr 28, 2016
(Electronic) Receipt
Search/Exam
Apr 28, 2016
Abstract
Search/Exam
Apr 28, 2016
Claims
Search/Exam
Apr 28, 2016
Description
Search/Exam
Apr 28, 2016
Drawings
Search/Exam
Apr 28, 2016
Request for entry into the European phase
Search/Exam
Apr 28, 2016
Submission concerning representation
Search/Exam
Mar 11, 2016
Information on entry into European phase
Search/Exam
May 27, 2015
Priority document (electronically transmitted)
Search/Exam
May 7, 2015
Copy of the international search report
Search/Exam
May 7, 2015
Copy of the translated international search report
Search/Exam
May 7, 2015
International publication pamphlet
Search/Exam