Spheroidal Graphite Cast Iron

Patent No. EP2377960 (titled "Spheroidal Graphite Cast Iron") was filed by Mitsubishi Heavy Industries on Jul 30, 2009. The application was issued on Apr 6, 2022.

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
SIEMENS	Feb 1, 2019	-

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 11, 2022
Decision to maintain the European patent in amended form
Mar 11, 2022
Decision to maintain the European patent in amended form
Mar 4, 2022
Termination of the opposition proceedings with maintenance of patent
Feb 24, 2022
(Electronic) Receipt
Feb 24, 2022
Filing of the translation of the amended claims
Feb 24, 2022
French translation of claims
Feb 24, 2022
German translation of the claims
Feb 24, 2022
Letter accompanying subsequently filed items
Dec 20, 2021
Communication of bibliographic data
Dec 20, 2021
Communication to opponent concerning maintenance
Dec 20, 2021
Communication with request to file translations
Dec 9, 2021
Maintenance of the patent with the documents specified in the final decision
Aug 4, 2021
Advice of delivery
Jul 29, 2021
Advice of delivery
Jul 28, 2021
Annex to the communication - opposition
Jul 28, 2021
Decision of the Opposition Division and instruction
Jul 28, 2021
Druckexemplar in opposition procedure
Jul 28, 2021
Grounds for the decision (Annex) - opposition
Jul 28, 2021
Interlocutory decision in opposition proceedings
Jul 28, 2021
Interlocutory decision in opposition proceedings
Jul 28, 2021
Means of redress
Jul 28, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 28, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 28, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 28, 2021
Provision of a copy of the minutes - opposition procedure
Jul 28, 2021
Provision of a copy of the minutes - opposition procedure
Jul 28, 2021
Transmittal of decision / summons - opposition
Jul 28, 2021
Transmittal of decision / summons - opposition
Apr 20, 2021
Information about the result of oral proceedings
Apr 9, 2021
Notification concerning the date of oral proceedings
Apr 9, 2021
Notification concerning the date of oral proceedings
Feb 25, 2021
Brief communication - Opposition proceedings
Feb 19, 2021
(Electronic) Receipt
Feb 19, 2021
Letter accompanying subsequently filed items
Feb 19, 2021
Written submission in preparation to/during oral proceedings
Feb 9, 2021
(Electronic) Receipt
Feb 9, 2021
(Electronic) Receipt
Feb 9, 2021
Letter accompanying subsequently filed items
Feb 9, 2021
Letter accompanying subsequently filed items
Feb 8, 2021
Notification concerning the date of oral proceedings
Feb 8, 2021
Notification concerning the date of oral proceedings
Jan 29, 2021
Brief communication - Opposition proceedings
Jan 26, 2021
(Electronic) Receipt
Jan 26, 2021
Letter accompanying subsequently filed items
Jan 26, 2021
Written submission in preparation to/during oral proceedings
Jan 15, 2021
Brief communication - Opposition proceedings
Jan 15, 2021
Brief communication - Opposition proceedings
Jan 12, 2021
(Electronic) Receipt
Jan 12, 2021
Letter accompanying subsequently filed items
Jan 12, 2021
Withdrawal of a request for oral proceedings
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
Amended description with annotations
Dec 18, 2020
Description
Dec 18, 2020
Letter accompanying subsequently filed items
Dec 18, 2020
Written submission in preparation to/during oral proceedings
Nov 25, 2020
Advice of delivery
Nov 23, 2020
Advice of delivery
Nov 17, 2020
Acknowledgement of a document
Nov 17, 2020
Acknowledgement of a document
Nov 17, 2020
Annex to the communication - opposition
Nov 17, 2020
Information concerning oral proceedings
Nov 17, 2020
Summons to attend oral proceedings
Nov 17, 2020
Summons to attend oral proceedings
Sep 11, 2020
Notification concerning the date of oral proceedings
Sep 11, 2020
Notification concerning the date of oral proceedings
Aug 13, 2020
Oral proceedings: reply to date proposed
Aug 6, 2020
(Electronic) Receipt
Aug 6, 2020
Communication for party to proceedings/third party
Aug 6, 2020
Letter accompanying subsequently filed items
Aug 6, 2020
Written submission in preparation to/during oral proceedings
Jul 31, 2020
Brief communication - Opposition proceedings
Jul 31, 2020
Brief communication - Opposition proceedings
Jul 28, 2020
(Electronic) Receipt
Jul 28, 2020
Auxiliary request during Opposition procedure
Jul 28, 2020
Auxiliary request during Opposition procedure
Jul 28, 2020
Auxiliary request during Opposition procedure
Jul 28, 2020
Auxiliary request during Opposition procedure
Jul 28, 2020
Auxiliary request during Opposition procedure
Jul 28, 2020
Auxiliary request during Opposition procedure
Jul 28, 2020
Auxiliary request during Opposition procedure
Jul 28, 2020
Auxiliary request during Opposition procedure
Jul 28, 2020
Auxiliary request during Opposition procedure - 01
Jul 28, 2020
Auxiliary request during Opposition procedure - 02
Jul 28, 2020
Auxiliary request during Opposition procedure - 03
Jul 28, 2020
Auxiliary request during Opposition procedure - 04
Jul 28, 2020
Auxiliary request during Opposition procedure - 05
Jul 28, 2020
Auxiliary request during Opposition procedure - 06
Jul 28, 2020
Auxiliary request during Opposition procedure - 07
Jul 28, 2020
Auxiliary request during Opposition procedure - 08
Jul 28, 2020
Letter accompanying subsequently filed items
Jul 28, 2020
Written submission in preparation to/during oral proceedings
Jul 27, 2020
(Electronic) Receipt
Jul 27, 2020
Letter accompanying subsequently filed items
Jul 27, 2020
Written submission in preparation to/during oral proceedings
Jul 22, 2020
Notification concerning the date of oral proceedings
Jul 22, 2020
Notification concerning the date of oral proceedings
Mar 24, 2020
Brief communication - Opposition proceedings
Mar 18, 2020
(Electronic) Receipt
Mar 18, 2020
Letter accompanying subsequently filed items
Mar 18, 2020
Request for interpreters during oral proceedings
Mar 10, 2020
Advice of delivery
Mar 10, 2020
Advice of delivery
Mar 6, 2020
Acknowledgement of a document
Mar 6, 2020
Acknowledgement of a document
Mar 6, 2020
Annex to the communication - opposition
Mar 6, 2020
Information concerning oral proceedings
Mar 6, 2020
Summons to attend oral proceedings
Mar 6, 2020
Summons to attend oral proceedings
Nov 14, 2019
Brief communication - Opposition proceedings
Nov 7, 2019
(Electronic) Receipt
Nov 7, 2019
Amended claims with annotations
Nov 7, 2019
Amended claims with annotations
Nov 7, 2019
Claims
Nov 7, 2019
Claims
Nov 7, 2019
Letter accompanying subsequently filed items
Nov 7, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jul 15, 2019
Communication of a notice of opposition and request to file observations
Jul 15, 2019
Notice of further oppositions to opponent(s)
Apr 4, 2019
Brief communication - Opposition proceedings
Mar 26, 2019
(Electronic) Receipt
Mar 26, 2019
Citation in opposition procedure - 001
Mar 26, 2019
Citation in opposition procedure - 002
Mar 26, 2019
Citation in opposition procedure - 003
Mar 26, 2019
Citation in opposition procedure - 004
Mar 26, 2019
Citation in opposition procedure - 005
Mar 26, 2019
Citation in opposition procedure - 006
Mar 26, 2019
Citation in opposition procedure - 008
Mar 26, 2019
Citation in opposition procedure - 009
Mar 26, 2019
Citation in opposition procedure - 010
Mar 26, 2019
Citation in opposition procedure - 011
Mar 26, 2019
Citation in opposition procedure - 012
Mar 26, 2019
Consolidated list of cited opposition documents
Mar 26, 2019
Letter accompanying subsequently filed items
Mar 26, 2019
Letter regarding the opposition procedure (no time limit)
Feb 27, 2019
Brief communication - Opposition proceedings
Feb 22, 2019
(Electronic) Receipt
Feb 22, 2019
Letter accompanying subsequently filed items
Feb 22, 2019
Letter regarding the opposition procedure (no time limit)
Feb 12, 2019
Communication of a notice of opposition - first information to patent proprietor
Feb 12, 2019
Request for documents
Feb 1, 2019
(Electronic) Receipt
Feb 1, 2019
Citation in opposition procedure - 001
Feb 1, 2019
Citation in opposition procedure - 002
Feb 1, 2019
Citation in opposition procedure - 003
Feb 1, 2019
Citation in opposition procedure - 004
Feb 1, 2019
Citation in opposition procedure - 005
Feb 1, 2019
Citation in opposition procedure - 006
Feb 1, 2019
Citation in opposition procedure - 007
Feb 1, 2019
Citation in opposition procedure - 008
Feb 1, 2019
Citation in opposition procedure - 009
Feb 1, 2019
Citation in opposition procedure - 010
Feb 1, 2019
Citation in opposition procedure - 011
Feb 1, 2019
Citation in opposition procedure - 012
Feb 1, 2019
Citation in opposition procedure - 013
Feb 1, 2019
Citation in opposition procedure - 014
Feb 1, 2019
Citation in opposition procedure - 015
Feb 1, 2019
Notice of opposition
Feb 1, 2019
Notice of opposition
Oct 8, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 30, 2018
Decision to grant a European patent
Aug 7, 2018
(Electronic) Receipt
Aug 7, 2018
Filing of the translations of the claims
Aug 7, 2018
French translation of claims
Aug 7, 2018
German translation of the claims
Aug 7, 2018
Letter accompanying subsequently filed items
May 18, 2018
Bibliographic data of the European patent application
May 18, 2018
Communication about intention to grant a European patent
May 18, 2018
Intention to grant (signatures)
May 18, 2018
Text intended for grant (clean copy)
May 18, 2018
Text intended for grant (version for approval)
Jan 10, 2018
Examination started
Feb 27, 2017
(Electronic) Receipt
Feb 27, 2017
Amended claims filed after receipt of (European) search report
Feb 27, 2017
Amended claims with annotations
Feb 27, 2017
Amended description filed after receipt of (European) search report
Feb 27, 2017
Amended description with annotations
Feb 27, 2017
Amendments received before examination
Feb 27, 2017
Letter accompanying subsequently filed items
Nov 29, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Nov 10, 2016
Communication regarding the transmission of the European search report
Nov 10, 2016
European search opinion
Nov 10, 2016
Information on Search Strategy
Nov 10, 2016
Supplementary European search report
Oct 26, 2016
Search started
Sep 26, 2014
Submission concerning representation
May 9, 2012
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 9, 2012
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jan 24, 2012
Brief communication to applicant/representative
Dec 21, 2011
Matter concerning the application
Sep 21, 2011
Notification of forthcoming publication
Aug 16, 2011
Communication regarding possible amendment of the application/payment of claims fee
Jul 26, 2011
Brief communication to applicant/representative
Jul 21, 2011
Translation of the international preliminary report on patentability
Jul 5, 2011
Copy of the international preliminary report on patentability
May 24, 2011
(Electronic) Receipt
May 24, 2011
Abstract
May 24, 2011
Amended description filed after receipt of (European) search report
May 24, 2011
Amended drawings filed after receipt of (European) search report
May 24, 2011
Claims
May 24, 2011
Description
May 24, 2011
Drawings
May 24, 2011
Request for entry into the European phase
Apr 29, 2011
Information on entry into European phase
Jul 13, 2010
Priority document (electronically transmitted)
Jun 24, 2010
Copy of the international search report
Jun 24, 2010
Copy of the translated international search report
Jun 24, 2010
International publication pamphlet

EP2377960

MITSUBISHI HEAVY INDUSTRIES

Application Number: EP09833255A
Filing Date: Jul 30, 2009
Status: Patent Maintained As Amended; Mar 4, 2022
Publication Date: Apr 6, 2022
External Links: Slate, Register , Google Patents

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Spheroidal Graphite Cast Iron

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Dossier Documents

EP2377960