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Pearlite Based High-Carbon Steel Rail Having Excellent Ductility And Process For Production Thereof

Patent No. EP2447383 (titled "Pearlite Based High-Carbon Steel Rail Having Excellent Ductility And Process For Production Thereof") was filed by Nippon Steel on Apr 14, 2010. The application was issued on Dec 19, 2018.

Patent Summary

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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
ARCELORMITTAL	Sep 18, 2019	PLAISANT

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 28, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 28, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Oct 23, 2020
Termination of the opposition proceedings with revocation of patent
Jul 29, 2020
Advice of delivery
Jul 16, 2020
Advice of delivery
Jul 13, 2020
Acknowledgement of a document
Jul 13, 2020
Acknowledgement of a document
Jul 13, 2020
Decision revoking the European patent
Jul 13, 2020
Decision revoking the European patent
Jul 10, 2020
Brief communication - Opposition proceedings
Jul 8, 2020
Advice of delivery
Jul 7, 2020
(Electronic) Receipt
Jul 7, 2020
Letter accompanying subsequently filed items
Jul 7, 2020
Request for revocation of patent
Jun 23, 2020
Annex to the communication - opposition
Jun 23, 2020
Brief communication - Opposition proceedings
Jun 23, 2020
Communication inviting the parties to file observations
Jun 23, 2020
Communication inviting the parties to file observations
Jun 23, 2020
Communication inviting the parties to file observations
Jun 23, 2020
Internal form - Opposition/addressees
Jun 17, 2020
(Electronic) Receipt
Jun 17, 2020
Letter accompanying subsequently filed items
Jun 17, 2020
Oral proceedings: reply to date proposed
Jun 16, 2020
Advice of delivery
Jun 10, 2020
Acknowledgement of a document
Jun 10, 2020
Acknowledgement of a document
Jun 10, 2020
Annex to the communication - opposition
Jun 10, 2020
Brief communication - Opposition proceedings
Jun 10, 2020
Information concerning oral proceedings
Jun 10, 2020
Scanned annex to a communication - opposition procedure
Jun 10, 2020
Scanned annex to a communication - opposition procedure
Jun 10, 2020
Scanned annex to a communication - opposition procedure
Jun 10, 2020
Summons to attend oral proceedings
Jun 10, 2020
Summons to attend oral proceedings
Jun 4, 2020
(Electronic) Receipt
Jun 4, 2020
Letter accompanying subsequently filed items
Jun 4, 2020
Oral proceedings: reply to date proposed
Feb 21, 2020
Brief communication - Opposition proceedings
Feb 14, 2020
Reply of the patent proprietor to the notice(s) of opposition
Oct 7, 2019
Communication of a notice of opposition and request to file observations
Oct 7, 2019
Notice of further oppositions to opponent(s)
Sep 30, 2019
Communication of a notice of opposition - first information to patent proprietor
Sep 23, 2019
Citation in opposition procedure - 001
Sep 23, 2019
Citation in opposition procedure - 001
Sep 23, 2019
Citation in opposition procedure - 002
Sep 23, 2019
Citation in opposition procedure - 003
Sep 23, 2019
Citation in opposition procedure - 003
Sep 23, 2019
Citation in opposition procedure - 004
Sep 23, 2019
Citation in opposition procedure - 004
Sep 23, 2019
Citation in opposition procedure - 005
Sep 23, 2019
Citation in opposition procedure - 005
Sep 23, 2019
Consolidated list of cited opposition documents
Sep 23, 2019
Letter concerning fees and payments
Sep 23, 2019
Notice of opposition
Sep 23, 2019
Notice of opposition
Sep 23, 2019
Notice of opposition
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Non-patent literature cited during the examination procedure
Sep 18, 2019
Notice of opposition
Sep 18, 2019
Notice of opposition
Sep 18, 2019
Notice of opposition
Sep 18, 2019
Notice of opposition
Sep 18, 2019
Notice of opposition
Sep 18, 2019
Patent document cited during the examination procedure
Sep 18, 2019
Patent document cited during the examination procedure
Jun 3, 2019
Communication of the registration of a transfer or change of name and/or address
May 20, 2019
Submission concerning change of applicant's name
Jan 3, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 22, 2018
Decision to grant a European patent
Oct 30, 2018
Brief communication to applicant/representative (Legal Division)
Oct 10, 2018
(Electronic) Receipt
Oct 10, 2018
Filing of the translations of the claims
Oct 10, 2018
French translation of claims
Oct 10, 2018
German translation of the claims
Oct 10, 2018
Letter accompanying subsequently filed items
Jun 14, 2018
Bibliographic data of the European patent application
Jun 14, 2018
Communication about intention to grant a European patent
Jun 14, 2018
Intention to grant (signatures)
Jun 14, 2018
Text intended for grant (clean copy)
Jun 14, 2018
Text intended for grant (version for approval)
Mar 19, 2018
Amended claims with annotations
Mar 19, 2018
Amended description with annotations
Mar 19, 2018
Claims
Mar 19, 2018
Description
Mar 19, 2018
Reply to communication from the Examining Division
Dec 18, 2017
Annex to the communication
Dec 18, 2017
Communication from the Examining Division
Dec 13, 2017
Examination started
Sep 7, 2017
Amended claims filed after receipt of (European) search report
Sep 7, 2017
Amended claims with annotations
Sep 7, 2017
Amendments received before examination
May 29, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 9, 2017
Communication regarding the transmission of the European search report
May 9, 2017
European search opinion
May 9, 2017
Information on Search Strategy
May 9, 2017
Supplementary European search report
Apr 25, 2017
Search started
Mar 12, 2015
Submission concerning representation
Jan 7, 2015
Submission concerning change of applicant's representative
Dec 19, 2012
Communication of the registration of a transfer or change of name and/or address
Dec 11, 2012
Submission concerning change of applicant's name
Apr 4, 2012
Notification of forthcoming publication
Feb 15, 2012
Communication regarding possible amendment of the application/payment of claims fee
Feb 1, 2012
Translation of the international preliminary report on patentability
Jan 16, 2012
Copy of the international preliminary report on patentability
Dec 15, 2011
(Electronic) Receipt
Dec 15, 2011
Abstract
Dec 15, 2011
Claims
Dec 15, 2011
Description
Dec 15, 2011
Drawings
Dec 15, 2011
Matter concerning the application
Dec 15, 2011
Request for entry into the European phase
Nov 3, 2011
Information on entry into European phase
Jan 18, 2011
Priority document (electronically transmitted)
Dec 29, 2010
Copy of the international search report
Dec 29, 2010
Copy of the translated international search report
Dec 29, 2010
International publication pamphlet

EP2447383

NIPPON STEEL

Application Number: EP10791775A
Filing Date: Apr 14, 2010
Status: Revoked; Oct 30, 2020
Publication Date: Dec 19, 2018
External Links: Slate, Register , Google Patents