Device For Phasing Threaded Grinding Stone

Patent No. EP2484490 (titled "Device For Phasing Threaded Grinding Stone") was filed by Mitsubishi Heavy Industries on Sep 28, 2009. The application was issued on Oct 31, 2018.

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
GLEASON PFAUTER MASCHINENFABRIK	Jul 30, 2019	LEINWEBER & ZIMMERMANN

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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Jun 18, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jun 18, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jun 15, 2021
Termination of the opposition proceedings with revocation of patent
Mar 9, 2021
(Electronic) Receipt
Mar 9, 2021
Advice of delivery
Mar 9, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Advice of delivery
Mar 4, 2021
Annex to the communication - opposition
Mar 4, 2021
Decision of the Opposition Division and instruction
Mar 4, 2021
Decision revoking the European patent
Mar 4, 2021
Grounds for the decision (Annex) - opposition
Mar 4, 2021
Internal form - Opposition/addressees
Mar 4, 2021
Internal form - Opposition/addressees
Mar 4, 2021
Means of redress
Mar 4, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 4, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 4, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 4, 2021
Provision of a copy of the minutes - opposition procedure
Mar 4, 2021
Scanned annex to a communication - opposition procedure
Feb 11, 2021
Information about the result of oral proceedings
Jan 26, 2021
(Electronic) Receipt
Jan 26, 2021
Letter accompanying subsequently filed items
Dec 16, 2020
Brief communication - Opposition proceedings
Dec 16, 2020
Brief communication - Opposition proceedings
Dec 15, 2020
Brief communication - Opposition proceedings
Dec 11, 2020
(Electronic) Receipt
Dec 11, 2020
Letter accompanying subsequently filed items
Dec 11, 2020
Request for interpreters during oral proceedings
Dec 10, 2020
(Electronic) Receipt
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure - 01
Dec 10, 2020
Auxiliary request during Opposition procedure - 02
Dec 10, 2020
Auxiliary request during Opposition procedure - 03
Dec 10, 2020
Auxiliary request during Opposition procedure - 04
Dec 10, 2020
Auxiliary request during Opposition procedure - 05
Dec 10, 2020
Description
Dec 10, 2020
Letter accompanying subsequently filed items
Dec 10, 2020
Letter regarding the opposition procedure (no time limit)
Dec 10, 2020
Letter regarding the opposition procedure (no time limit)
Dec 10, 2020
Non-scannable object
Dec 10, 2020
Non-scannable object
Dec 10, 2020
Request for interpreters during oral proceedings
Dec 4, 2020
Notification concerning the date of oral proceedings
Dec 4, 2020
Notification concerning the date of oral proceedings
Oct 30, 2020
Communication of amended entries
Oct 19, 2020
Request concerning representative opponent
Jun 25, 2020
(Electronic) Receipt
Jun 25, 2020
Advice of delivery
Jun 25, 2020
Letter accompanying subsequently filed items
May 15, 2020
Communication about missing advice of delivery
Apr 20, 2020
Advice of delivery
Apr 6, 2020
Annex to the communication - opposition
Apr 6, 2020
Information concerning oral proceedings
Apr 6, 2020
Summons to attend oral proceedings
Apr 6, 2020
Summons to attend oral proceedings
Mar 23, 2020
Brief communication - Opposition proceedings
Mar 18, 2020
(Electronic) Receipt
Mar 18, 2020
Citation in opposition procedure - 011
Mar 18, 2020
Letter accompanying subsequently filed items
Mar 18, 2020
Letter regarding the opposition procedure (no time limit)
Jan 9, 2020
Brief communication - Opposition proceedings
Dec 20, 2019
(Electronic) Receipt
Dec 20, 2019
Letter accompanying subsequently filed items
Dec 20, 2019
Reply of the patent proprietor to the notice(s) of opposition
Nov 5, 2019
Brief communication - Opposition proceedings
Oct 29, 2019
(Electronic) Receipt
Oct 29, 2019
Citation in opposition procedure - 010
Oct 29, 2019
Consolidated list of cited opposition documents
Oct 29, 2019
Letter accompanying subsequently filed items
Oct 29, 2019
Letter regarding the opposition procedure (no time limit)
Aug 28, 2019
Submission concerning representation
Aug 14, 2019
Communication of a notice of opposition and request to file observations
Aug 14, 2019
Notice of further oppositions to opponent(s)
Aug 7, 2019
Communication of a notice of opposition - first information to patent proprietor
Jul 30, 2019
(Electronic) Receipt
Jul 30, 2019
Citation in opposition procedure - 001
Jul 30, 2019
Citation in opposition procedure - 002
Jul 30, 2019
Citation in opposition procedure - 003
Jul 30, 2019
Citation in opposition procedure - 004
Jul 30, 2019
Citation in opposition procedure - 005
Jul 30, 2019
Citation in opposition procedure - 006
Jul 30, 2019
Citation in opposition procedure - 007
Jul 30, 2019
Citation in opposition procedure - 008
Jul 30, 2019
Citation in opposition procedure - 009
Jul 30, 2019
Letter accompanying subsequently filed items
Jul 30, 2019
Notice of opposition
Nov 12, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 5, 2018
Decision to grant a European patent
Aug 29, 2018
(Electronic) Receipt
Aug 29, 2018
Filing of the translations of the claims
Aug 29, 2018
French translation of claims
Aug 29, 2018
German translation of the claims
Aug 29, 2018
Letter accompanying subsequently filed items
Apr 19, 2018
Bibliographic data of the European patent application
Apr 19, 2018
Communication about intention to grant a European patent
Apr 19, 2018
Intention to grant (signatures)
Apr 19, 2018
Text intended for grant (clean copy)
Apr 19, 2018
Text intended for grant (version for approval)
Mar 26, 2018
Examination started
Jul 12, 2017
Amended claims filed after receipt of (European) search report
Jul 12, 2017
Amended claims with annotations
Jul 12, 2017
Amended description filed after receipt of (European) search report
Jul 12, 2017
Amended description with annotations
Jul 12, 2017
Amendments received before examination
Jul 12, 2017
Maintenance of the application
Jan 11, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Dec 22, 2016
Communication regarding the transmission of the European search report
Dec 22, 2016
European search opinion
Dec 22, 2016
Information on Search Strategy
Dec 22, 2016
Supplementary European search report
Dec 12, 2016
Search started
May 3, 2016
Communication of the registration of a transfer or change of name and/or address
Apr 21, 2016
Payment of fees and costs
Apr 21, 2016
Submission concerning a transfer of rights (applicant)
Jul 11, 2012
Notification of forthcoming publication
May 8, 2012
Communication regarding possible amendment of the application/payment of claims fee
Apr 25, 2012
Translation of the international preliminary report on patentability
Apr 20, 2012
Copy of the international preliminary report on patentability
Mar 9, 2012
(Electronic) Receipt
Mar 9, 2012
Abstract
Mar 9, 2012
Claims
Mar 9, 2012
Description
Mar 9, 2012
Drawings
Mar 9, 2012
Request for entry into the European phase
Feb 3, 2012
Information on entry into European phase
Mar 31, 2011
Copy of the international search report
Mar 31, 2011
Copy of the translated international search report
Mar 31, 2011
International publication pamphlet

EP2484490

MITSUBISHI HEAVY INDUSTRIES

Application Number: EP09849822A
Filing Date: Sep 28, 2009
Status: Revoked; Jun 18, 2021
Publication Date: Oct 31, 2018
External Links: Slate, Register , Google Patents

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Device For Phasing Threaded Grinding Stone

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Dossier Documents

EP2484490