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Electromagnetic Clutch Unit, Four-Wheel-Drive Vehicle, Control Method For The Electromagnetic Clutch Unit, And Control Method For The Four-Wheel-Drive Vehicle

Patent No. EP2778461 (titled "Electromagnetic Clutch Unit, Four-Wheel-Drive Vehicle, Control Method For The Electromagnetic Clutch Unit, And Control Method For The Four-Wheel-Drive Vehicle") was filed by Jtekt on Mar 12, 2014. The application was issued on Aug 14, 2019.

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
ZF FRIEDRICHSHAFEN	Nov 30, 2016	MULLER

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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Jul 18, 2019
Decision to maintain the European patent in amended form
Jul 18, 2019
Decision to maintain the European patent in amended form
Jul 12, 2019
Termination of the opposition proceedings with maintenance of patent
Jul 5, 2019
(Electronic) Receipt
Jul 5, 2019
French translation of claims
Jul 5, 2019
German translation of the claims
Jul 5, 2019
Letter accompanying subsequently filed items
Mar 28, 2019
Communication of bibliographic data
Mar 28, 2019
Communication to opponent concerning maintenance
Mar 28, 2019
Communication with request to file translations
Mar 22, 2019
Maintenance of the patent with the documents specified in the final decision
Jan 31, 2019
Annex to the communication
Jan 31, 2019
Brief communication - Opposition proceedings
Jan 31, 2019
Brief communication - Opposition proceedings
Jan 31, 2019
Druckexemplar in opposition procedure
Jan 18, 2019
(Electronic) Receipt
Jan 18, 2019
Letter accompanying subsequently filed items
Jan 18, 2019
Letter regarding the opposition procedure (no time limit)
Dec 17, 2018
Brief communication - Opposition proceedings
Dec 13, 2018
Advice of delivery
Dec 13, 2018
Advice of delivery
Dec 11, 2018
(Electronic) Receipt
Dec 11, 2018
(Electronic) Receipt
Dec 11, 2018
Advice of delivery
Dec 11, 2018
Letter accompanying subsequently filed items
Dec 11, 2018
Letter accompanying subsequently filed items
Dec 11, 2018
Request for correction
Dec 10, 2018
Advice of delivery
Dec 7, 2018
Acknowledgement of a document
Dec 7, 2018
Acknowledgement of a document
Dec 7, 2018
Annex to the communication - opposition
Dec 7, 2018
Decision of the Opposition Division and instruction
Dec 7, 2018
Druckexemplar in opposition procedure
Dec 7, 2018
Grounds for the decision (Annex) - opposition
Dec 7, 2018
Interlocutory decision in opposition proceedings
Dec 7, 2018
Internal form - Opposition/addressees
Dec 7, 2018
Internal form - Opposition/addressees
Dec 7, 2018
Means of redress
Dec 7, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 7, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 7, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 7, 2018
Provision of a copy of the minutes - opposition procedure
Dec 7, 2018
Scanned annex to a communication - opposition procedure
Nov 5, 2018
Information about the result of oral proceedings
Aug 20, 2018
Notification concerning the date of oral proceedings
Aug 20, 2018
Notification concerning the date of oral proceedings
Aug 17, 2018
Brief communication - Opposition proceedings
Aug 13, 2018
Oral proceedings: Request for postponement
Jul 4, 2018
Annex to the communication - opposition
Jul 4, 2018
Notification concerning the date of oral proceedings
Jul 4, 2018
Notification concerning the date of oral proceedings
Jul 2, 2018
Brief communication - Opposition proceedings
Jun 27, 2018
(Electronic) Receipt
Jun 27, 2018
Letter accompanying subsequently filed items
Jun 27, 2018
Oral proceedings: Request for postponement
Jun 13, 2018
Communication of amended entries
Jun 5, 2018
Brief communication - Opposition proceedings
May 30, 2018
Request concerning representative opponent
May 30, 2018
Request for interpreters during oral proceedings
May 16, 2018
Notification concerning the date of oral proceedings
May 16, 2018
Notification concerning the date of oral proceedings
May 14, 2018
Brief communication - Opposition proceedings
May 9, 2018
Advice of delivery
May 8, 2018
(Electronic) Receipt
May 8, 2018
Any annexes (other than citation) to an opposition letter
May 8, 2018
Letter accompanying subsequently filed items
May 8, 2018
Oral proceedings: Request for postponement
May 7, 2018
Advice of delivery
May 7, 2018
Advice of delivery
May 4, 2018
(Electronic) Receipt
May 4, 2018
Advice of delivery
May 4, 2018
Letter accompanying subsequently filed items
May 2, 2018
Acknowledgement of a document
May 2, 2018
Acknowledgement of a document
May 2, 2018
Annex to the communication - opposition
May 2, 2018
Information concerning oral proceedings
May 2, 2018
Preparation for oral proceedings
May 2, 2018
Summons to attend oral proceedings
May 2, 2018
Summons to attend oral proceedings
Sep 12, 2017
Brief communication - Opposition proceedings
Sep 7, 2017
(Electronic) Receipt
Sep 7, 2017
Letter accompanying subsequently filed items
Sep 7, 2017
Letter regarding the opposition procedure (no time limit)
May 24, 2017
Brief communication - Opposition proceedings
May 19, 2017
(Electronic) Receipt
May 19, 2017
Amended claims with annotations
May 19, 2017
Amended claims with annotations
May 19, 2017
Claims
May 19, 2017
Claims
May 19, 2017
Letter accompanying subsequently filed items
May 19, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jan 11, 2017
Communication of a notice of opposition and request to file observations
Jan 11, 2017
Notice of further oppositions to opponent(s)
Dec 8, 2016
Communication of a notice of opposition - first information to patent proprietor
Nov 30, 2016
(Electronic) Receipt
Nov 30, 2016
Notice of opposition
Nov 30, 2016
Notice of opposition
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Mar 3, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 4, 2016
Decision to grant a European patent
Dec 18, 2015
(Electronic) Receipt
Dec 18, 2015
Filing of the translations of the claims
Dec 18, 2015
French translation of claims
Dec 18, 2015
German translation of the claims
Aug 21, 2015
Bibliographic data of the European patent application
Aug 21, 2015
Communication about intention to grant a European patent
Aug 21, 2015
Intention to grant (signatures)
Aug 21, 2015
Text intended for grant (clean copy)
Aug 21, 2015
Text intended for grant (version for approval)
Jul 23, 2015
Examination started
Feb 10, 2015
(Electronic) Receipt
Feb 10, 2015
Amended claims filed after receipt of (European) search report
Feb 10, 2015
Amended claims with annotations
Feb 10, 2015
Amended description filed after receipt of (European) search report
Feb 10, 2015
Amended description with annotations
Feb 10, 2015
Amendments received before examination
Feb 10, 2015
Letter accompanying subsequently filed items
Sep 22, 2014
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Aug 20, 2014
Notification of forthcoming publication
Jul 28, 2014
Communication regarding the transmission of the European search report
Jul 28, 2014
European search opinion
Jul 28, 2014
European search report
Jul 22, 2014
Modified abstract
Jul 1, 2014
Search started
May 30, 2014
Confirmation of receipt of (electronically) transmitted priority document
May 14, 2014
Priority document (electronically transmitted)
May 7, 2014
Communication to designated inventor
May 7, 2014
Communication to designated inventor
Mar 12, 2014
Abstract
Mar 12, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 12, 2014
Claims
Mar 12, 2014
Description
Mar 12, 2014
Designation of inventor
Mar 12, 2014
Designation of inventor
Mar 12, 2014
Drawings
Mar 12, 2014
Request for grant of a European patent

EP2778461

JTEKT

Application Number: EP14159016A
Filing Date: Mar 12, 2014
Status: Patent Maintained As Amended; Jul 12, 2019
Publication Date: Aug 14, 2019
External Links: Slate, Register , Google Patents