Precipitation Hardening Type Martensitic Steel And Process For Producing Same

Patent No. EP2927337 (titled "Precipitation Hardening Type Martensitic Steel And Process For Producing Same") was filed by Hitachi Metals on Sep 19, 2013. The application was issued on Nov 6, 2024.

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
UDDEHOLMS	Sep 14, 2018	AERA

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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Oct 11, 2024
Brief communication - Opposition proceedings
Oct 11, 2024
Brief communication - Opposition proceedings
Oct 11, 2024
Communication concerning the filing of a power of attorney
Oct 11, 2024
Communication of amended entries
Oct 10, 2024
Decision to maintain the European patent in amended form
Oct 10, 2024
Decision to maintain the European patent in amended form
Sep 30, 2024
(Electronic) Receipt
Sep 30, 2024
Authorisation
Sep 30, 2024
Request for change of opponent's representative
Jul 8, 2024
(Electronic) Receipt
Jul 8, 2024
Filing of the translation of the amended claims
Jul 8, 2024
French translation of claims
Jul 8, 2024
German translation of the claims
Jul 8, 2024
Letter accompanying subsequently filed items
Apr 19, 2024
Communication of bibliographic data
Apr 19, 2024
Communication to opponent concerning maintenance
Apr 19, 2024
Communication with request to file translations
Apr 10, 2024
Maintenance of the patent with the documents specified in the final decision
Nov 8, 2023
Decision of the Board of Appeal
Nov 8, 2023
F3032 Notification(s) of the decision
Nov 8, 2023
F3032 Notification(s) of the decision
Sep 8, 2023
F3013 Oral Proceedings: Forwarding minutes
Sep 8, 2023
F3013 Oral Proceedings: Forwarding minutes
Sep 8, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Aug 11, 2023
F3345 Forwarding of submissions to parties
Aug 8, 2023
F3345 Forwarding of submissions to parties
Aug 7, 2023
(Electronic) Receipt
Aug 7, 2023
Letter dealing with oral proceedings
Aug 7, 2023
Written submission in preparation to/during oral proceedings
Aug 3, 2023
(Electronic) Receipt
Aug 2, 2023
(Electronic) Receipt
Aug 2, 2023
Request for interpreters during oral proceedings
Jul 31, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 31, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 31, 2023
Oral proceedings: change of venue
Jul 31, 2023
Oral proceedings: change of venue
Jun 30, 2023
F3345 Forwarding of submissions to parties
Jun 27, 2023
(Electronic) Receipt
Jun 27, 2023
Letter accompanying subsequently filed items
Jun 27, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 7, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 7, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 22, 2023
(Electronic) Receipt
Feb 22, 2023
Advice of delivery
Feb 22, 2023
F3011.1 Oral Proceedings: summons
Feb 22, 2023
F3011.1 Oral Proceedings: summons
Feb 22, 2023
Letter accompanying subsequently filed items
Feb 17, 2023
F3010 Oral proceedings: order for summons
Dec 2, 2021
Communication of amended entries in the Register of European Patents
Dec 2, 2021
F3345 Forwarding of submissions to parties
Nov 26, 2021
(Electronic) Receipt
Nov 26, 2021
Letter accompanying subsequently filed items
Nov 26, 2021
Request for change of opponent's representative
Nov 9, 2021
Letter accompanying subsequently filed items (CDR)
Nov 9, 2021
Request for change of opponent's representative
Aug 20, 2021
Composition of the board (T)
May 28, 2021
F3345 Forwarding of submissions to parties
May 25, 2021
(Electronic) Receipt
May 25, 2021
Amended claims with annotations
May 25, 2021
Amended claims with annotations
May 25, 2021
Amended claims with annotations
May 25, 2021
Amended claims with annotations
May 25, 2021
Amended claims with annotations
May 25, 2021
Amended claims with annotations
May 25, 2021
Amended claims with annotations
May 25, 2021
Auxiliary request during appeals procedure - 01
May 25, 2021
Auxiliary request during appeals procedure - 02
May 25, 2021
Auxiliary request during appeals procedure - 03
May 25, 2021
Auxiliary request during appeals procedure - 04
May 25, 2021
Auxiliary request during appeals procedure - 05
May 25, 2021
Auxiliary request during appeals procedure - 06
May 25, 2021
Auxiliary request during appeals procedure - 07
May 25, 2021
Cited document during appeal procedure
May 25, 2021
Letter accompanying subsequently filed items
May 25, 2021
Reply to appeal
Feb 26, 2021
F3204 Communication of the file number to the parties
Feb 26, 2021
F3204 Communication of the file number to the parties
Feb 22, 2021
(Electronic) Receipt
Feb 22, 2021
Citation in appeal procedure - 018
Feb 22, 2021
Citation in appeal procedure - 019
Feb 22, 2021
Letter accompanying subsequently filed items
Feb 22, 2021
Notice of appeal
Jan 21, 2021
Document concerning representation
Jan 21, 2021
Document concerning representation
Jan 21, 2021
Letter accompanying subsequently filed items
Dec 23, 2020
(Electronic) Receipt
Dec 23, 2020
Advice of delivery
Dec 23, 2020
Advice of delivery
Dec 23, 2020
Annex to the communication - opposition
Dec 23, 2020
Decision of the Opposition Division and instruction
Dec 23, 2020
Druckexemplar in opposition procedure
Dec 23, 2020
Grounds for the decision (Annex) - opposition
Dec 23, 2020
Interlocutory decision in opposition proceedings
Dec 23, 2020
Interlocutory decision in opposition proceedings
Dec 23, 2020
Internal form - Opposition/addressees
Dec 23, 2020
Internal form - Opposition/addressees
Dec 23, 2020
Letter accompanying subsequently filed items
Dec 23, 2020
Means of redress
Dec 23, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 23, 2020
Provision of a copy of the minutes - opposition procedure
Dec 23, 2020
Scanned annex to a communication - opposition procedure
Dec 23, 2020
Scanned annex to a communication - opposition procedure
Dec 23, 2020
Transmittal of decision / summons - opposition
Dec 23, 2020
Transmittal of decision / summons - opposition
Sep 21, 2020
Brief communication - Opposition proceedings
Sep 17, 2020
Information about the result of oral proceedings
Sep 16, 2020
(Electronic) Receipt
Sep 16, 2020
Any annexes (other than citation) to an opposition letter
Sep 16, 2020
Citation in opposition procedure - 015
Sep 16, 2020
Citation in opposition procedure - 016
Sep 16, 2020
Letter accompanying subsequently filed items
Sep 16, 2020
Written submission in preparation to/during oral proceedings
Sep 10, 2020
Brief communication - Opposition proceedings
Sep 9, 2020
Consolidated list of cited opposition documents
Sep 8, 2020
(Electronic) Receipt
Sep 8, 2020
Letter accompanying subsequently filed items
Sep 8, 2020
Written submission in preparation to/during oral proceedings
Sep 4, 2020
Brief communication - Opposition proceedings
Sep 2, 2020
Communication for party to proceedings/third party
Sep 2, 2020
Communication for party to proceedings/third party
Sep 2, 2020
Notification concerning the date of oral proceedings
Sep 2, 2020
Notification concerning the date of oral proceedings
Aug 31, 2020
(Electronic) Receipt
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Auxiliary request during Opposition procedure
Aug 31, 2020
Citation in opposition procedure
Aug 31, 2020
Citation in opposition procedure
Aug 31, 2020
Citation in opposition procedure - 014
Aug 31, 2020
Letter accompanying subsequently filed items
Aug 31, 2020
Written submission in preparation to/during oral proceedings
Aug 26, 2020
(Electronic) Receipt
Aug 26, 2020
(Electronic) Receipt
Aug 26, 2020
Letter accompanying subsequently filed items
Aug 26, 2020
Letter accompanying subsequently filed items
Aug 26, 2020
Oral proceedings: reply to date proposed
Aug 26, 2020
Oral proceedings: reply to date proposed
Aug 21, 2020
(Electronic) Receipt
Aug 21, 2020
Letter accompanying subsequently filed items
Aug 21, 2020
Written submission in preparation to/during oral proceedings
Jul 30, 2020
Brief communication - Opposition proceedings
Jul 30, 2020
Brief communication - Opposition proceedings
Jul 27, 2020
(Electronic) Receipt
Jul 27, 2020
Brief communication - Opposition proceedings
Jul 27, 2020
Letter accompanying subsequently filed items
Jul 27, 2020
Oral proceedings: reply to date proposed
Jul 23, 2020
(Electronic) Receipt
Jul 23, 2020
Brief communication - Opposition proceedings
Jul 23, 2020
Brief communication - Opposition proceedings
Jul 23, 2020
Letter accompanying subsequently filed items
Jul 23, 2020
Oral proceedings: reply to date proposed
Jul 22, 2020
(Electronic) Receipt
Jul 22, 2020
Letter accompanying subsequently filed items
Jul 22, 2020
Oral proceedings: reply to date proposed
Jul 17, 2020
(Electronic) Receipt
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Auxiliary request during Opposition procedure
Jul 17, 2020
Citation in opposition procedure - 013
Jul 17, 2020
Letter accompanying subsequently filed items
Jul 17, 2020
Written submission in preparation to/during oral proceedings
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Citation in opposition procedure - 009
Jul 16, 2020
Citation in opposition procedure - 010
Jul 16, 2020
Citation in opposition procedure - 011
Jul 16, 2020
Citation in opposition procedure - 012
Jul 16, 2020
Request for interpreters during oral proceedings
Jul 16, 2020
Written submission in preparation to/during oral proceedings
Jul 15, 2020
(Electronic) Receipt
Jul 15, 2020
Letter accompanying subsequently filed items
Jul 15, 2020
Notification concerning the date of oral proceedings
Jul 15, 2020
Notification concerning the date of oral proceedings
Jul 15, 2020
Written submission in preparation to/during oral proceedings
Mar 13, 2020
Document concerning representation
Feb 7, 2020
Advice of delivery
Feb 3, 2020
(Electronic) Receipt
Feb 3, 2020
Advice of delivery
Feb 3, 2020
Letter accompanying subsequently filed items
Jan 31, 2020
Acknowledgement of a document
Jan 31, 2020
Acknowledgement of a document
Jan 31, 2020
Annex to the communication - opposition
Jan 31, 2020
Information about the result of oral proceedings
Jan 31, 2020
Information concerning oral proceedings
Jan 31, 2020
Summons to attend oral proceedings
Jan 31, 2020
Summons to attend oral proceedings
Dec 9, 2019
Brief communication - Opposition proceedings
Dec 9, 2019
Communication confirming withdrawal from representation
Dec 9, 2019
Communication of amended entries concerning the representative
Dec 2, 2019
(Electronic) Receipt
Dec 2, 2019
Letter accompanying subsequently filed items
Dec 2, 2019
Submission concerning change of proprietor's representative
Nov 28, 2019
(Electronic) Receipt
Nov 28, 2019
Letter accompanying subsequently filed items
Nov 28, 2019
Submission concerning change of proprietor's representative
Nov 5, 2019
(Electronic) Receipt
Nov 5, 2019
Citation in opposition procedure - 006
Nov 5, 2019
Citation in opposition procedure - 007
Nov 5, 2019
Citation in opposition procedure - 008
Nov 5, 2019
Letter accompanying subsequently filed items
Nov 5, 2019
Letter regarding the opposition procedure (no time limit)
Oct 28, 2019
Request for documents
Oct 23, 2019
Brief communication - Opposition proceedings
Oct 18, 2019
(Electronic) Receipt
Oct 18, 2019
Any annexes (other than citation) to an opposition letter
Oct 18, 2019
Letter accompanying subsequently filed items
Oct 18, 2019
Letter regarding the opposition procedure (no time limit)
Oct 10, 2019
Brief communication - Opposition proceedings
Oct 7, 2019
(Electronic) Receipt
Oct 7, 2019
Amended claims with annotations
Oct 7, 2019
Amended claims with annotations
Oct 7, 2019
Amended claims with annotations
Oct 7, 2019
Amended claims with annotations
Oct 7, 2019
Claims
Oct 7, 2019
Claims
Oct 7, 2019
Claims
Oct 7, 2019
Claims
Oct 7, 2019
Letter accompanying subsequently filed items
Oct 7, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jun 19, 2019
Communication of a notice of opposition and request to file observations
Jun 19, 2019
Notice of further oppositions to opponent(s)
Jun 14, 2019
Submission concerning representation
Sep 25, 2018
Communication of a notice of opposition - first information to patent proprietor
Sep 14, 2018
(Electronic) Receipt
Sep 14, 2018
Citation in opposition procedure - 001
Sep 14, 2018
Citation in opposition procedure - 002
Sep 14, 2018
Citation in opposition procedure - 003
Sep 14, 2018
Citation in opposition procedure - 004
Sep 14, 2018
Citation in opposition procedure - 005
Sep 14, 2018
Notice of opposition
Sep 14, 2018
Notice of opposition
Aug 27, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 19, 2018
Decision to grant a European patent
Jul 12, 2018
Communication of the registration of a transfer or change of name and/or address
Jul 3, 2018
(Electronic) Receipt
Jul 3, 2018
Filing of the translations of the claims
Jul 3, 2018
French translation of claims
Jul 3, 2018
German translation of the claims
Jul 3, 2018
Letter accompanying subsequently filed items
Feb 21, 2018
Bibliographic data of the European patent application
Feb 21, 2018
Communication about intention to grant a European patent
Feb 21, 2018
Intention to grant (signatures)
Feb 21, 2018
Text intended for grant (clean copy)
Feb 21, 2018
Text intended for grant (version for approval)
Jan 30, 2018
Examination started
Jul 18, 2017
(Electronic) Receipt
Jul 18, 2017
Letter concerning fees and payments
Nov 25, 2016
(Electronic) Receipt
Nov 25, 2016
Amended claims filed after receipt of (European) search report
Nov 25, 2016
Amended claims with annotations
Nov 25, 2016
Amended description filed after receipt of (European) search report
Nov 25, 2016
Amendments received before examination
Nov 25, 2016
Letter accompanying subsequently filed items
Aug 23, 2016
(Electronic) Receipt
Aug 23, 2016
Letter accompanying subsequently filed items
Jun 7, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 20, 2016
Communication regarding the transmission of the European search report
May 20, 2016
European search opinion
May 20, 2016
Information on Search Strategy
May 20, 2016
Supplementary European search report
Apr 19, 2016
Search started
Oct 28, 2015
Refund of fees
Sep 30, 2015
(Electronic) Receipt
Sep 30, 2015
Letter accompanying subsequently filed items
Sep 9, 2015
Notification of forthcoming publication
Aug 27, 2015
Note on telephone consultation
Aug 24, 2015
(Electronic) Receipt
Aug 24, 2015
(Partial) description filed in response to formal objections
Aug 24, 2015
Letter accompanying subsequently filed items
Aug 24, 2015
Reply to the invitation to remedy deficiencies
Aug 4, 2015
Deficiencies in application documents - annexes 1 and 2
Jul 8, 2015
Notification of forthcoming publication
May 7, 2015
Communication of amended entries concerning the representative
May 7, 2015
Communication regarding possible amendment of the application/payment of claims fee
May 4, 2015
Communication to designated inventor
May 4, 2015
Communication to designated inventor
May 4, 2015
Communication to designated inventor
Apr 29, 2015
Submission concerning change of applicant's representative
Apr 14, 2015
Copy of the international preliminary report on patentability
Apr 14, 2015
Translation of the international preliminary report on patentability
Jan 7, 2015
Information regarding early processing
Nov 11, 2014
(Electronic) Receipt
Nov 11, 2014
Abstract
Nov 11, 2014
Amended claims filed after receipt of (European) search report
Nov 11, 2014
Claims
Nov 11, 2014
Description
Nov 11, 2014
Drawings
Nov 11, 2014
Request for entry into the European phase
Apr 24, 2014
Priority document (electronically transmitted)
Apr 3, 2014
Copy of the international search report
Apr 3, 2014
Copy of the translated international search report
Apr 3, 2014
International publication pamphlet

EP2927337

HITACHI METALS

Application Number: EP13842588A
Filing Date: Sep 19, 2013
Status: Patent Maintained As Amended; Oct 3, 2024
Publication Date: Nov 6, 2024
External Links: Slate, EP2927337B2, Google Patents

IP Verse

Precipitation Hardening Type Martensitic Steel And Process For Producing Same

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2927337