Melting-Kneading Deaeration Extruder

Patent No. EP2168743 (titled "Melting-Kneading Deaeration Extruder") was filed by The Japan Steel Works on Jul 9, 2008. The application was issued on Nov 30, 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
COPERION	Feb 2, 2016	RAU

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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Nov 4, 2022
Decision to maintain the European patent in amended form
Nov 4, 2022
Decision to maintain the European patent in amended form
Oct 28, 2022
Termination of the opposition proceedings with maintenance of patent
Oct 20, 2022
(Electronic) Receipt
Oct 20, 2022
Description
Oct 20, 2022
French translation of claims
Oct 20, 2022
German translation of the claims
Oct 20, 2022
Letter accompanying subsequently filed items
Aug 19, 2022
Communication of bibliographic data
Aug 19, 2022
Communication to opponent concerning maintenance
Aug 19, 2022
Communication with request to file translations
Aug 16, 2022
Maintenance of the patent with the documents specified in the final decision
Jul 22, 2022
Advice of delivery
Jul 15, 2022
Refund of fees
Jul 15, 2022
Refund of fees
Jul 13, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 13, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 13, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 13, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 11, 2022
F3345 Forwarding of submissions to parties
Jul 11, 2022
F3345 Forwarding of submissions to parties
Jul 8, 2022
F3014 Oral Proceedings: Order cancelling/postponing
Jul 5, 2022
(Electronic) Receipt
Jul 5, 2022
Letter accompanying subsequently filed items
Jul 5, 2022
Withdrawal of an appeal
Jul 4, 2022
(Electronic) Receipt
Jul 4, 2022
Letter accompanying subsequently filed items
Jul 4, 2022
Withdrawal of an appeal
Feb 25, 2022
Advice of delivery
Feb 24, 2022
F3011.1 Oral Proceedings: summons
Feb 24, 2022
F3011.1 Oral Proceedings: summons
Feb 24, 2022
Standard Communication Rule 103 (2) EPC
Feb 24, 2022
Standard Communication Rule 103 (2) EPC
Feb 16, 2022
F3010 Oral proceedings: order for summons
Mar 3, 2021
F3303.16 Change of composition of the Board (T)
Jan 25, 2019
Composition of the board (T)
Jun 14, 2018
F3345 Forwarding of submissions to parties
Jun 13, 2018
F3345 Forwarding of submissions to parties
Jun 6, 2018
Amended claims with annotations
Jun 6, 2018
Amended claims with annotations
Jun 6, 2018
Amended claims with annotations
Jun 6, 2018
Amended claims with annotations
Jun 6, 2018
Amended claims with annotations
Jun 6, 2018
Amended claims with annotations
Jun 6, 2018
Claims
Jun 6, 2018
Claims
Jun 6, 2018
Claims
Jun 6, 2018
Claims
Jun 6, 2018
Claims
Jun 6, 2018
Claims
Jun 6, 2018
Reply to appeal
Jun 4, 2018
(Electronic) Receipt
Jun 4, 2018
Letter accompanying subsequently filed items
Jun 4, 2018
Non-Patent Literature cited during the appeal procedure
Jun 4, 2018
Reply to appeal
Jan 30, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jan 30, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jan 23, 2018
(Electronic) Receipt
Jan 23, 2018
Amended claims with annotations
Jan 23, 2018
Amended claims with annotations
Jan 23, 2018
Amended claims with annotations
Jan 23, 2018
Annexes (other than cited documents) regarding appeal procedure
Jan 23, 2018
Annexes (other than cited documents) regarding appeal procedure
Jan 23, 2018
Cited document during appeal procedure
Jan 23, 2018
Claims
Jan 23, 2018
Claims
Jan 23, 2018
Claims
Jan 23, 2018
Letter accompanying subsequently filed items
Jan 23, 2018
Statement of grounds of appeal
Jan 23, 2018
Statement of grounds of appeal
Dec 4, 2017
F3204 Communication of the file number to the parties
Dec 4, 2017
F3204 Communication of the file number to the parties
Nov 23, 2017
Notice of appeal
Nov 23, 2017
Payment of fees and costs
Nov 23, 2017
Processing of an appeal
Nov 22, 2017
(Electronic) Receipt
Nov 22, 2017
Letter accompanying subsequently filed items
Nov 22, 2017
Notice of appeal
Sep 21, 2017
Advice of delivery
Sep 19, 2017
Advice of delivery
Sep 15, 2017
Advice of delivery
Sep 15, 2017
Advice of delivery
Sep 13, 2017
Annex to the communication - opposition
Sep 13, 2017
Decision of the Opposition Division and instruction
Sep 13, 2017
Grounds for the decision (Annex) - opposition
Sep 13, 2017
Interlocutory decision in opposition proceedings
Sep 13, 2017
Internal form - Opposition/addressees
Sep 13, 2017
Internal form - Opposition/addressees
Sep 13, 2017
Means of redress
Sep 13, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 13, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 13, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 13, 2017
OPPODREX with handwritten amendments
Sep 13, 2017
Provision of a copy of the minutes - opposition procedure
Sep 13, 2017
Scanned annex to a communication - opposition procedure
Sep 13, 2017
Scanned annex to a communication - opposition procedure
Jul 11, 2017
Annex to the communication
Jul 11, 2017
Brief communication - Opposition proceedings
Jul 11, 2017
Brief communication - Opposition proceedings
Jul 10, 2017
Brief communication - Opposition proceedings
Jul 7, 2017
Information about the result of oral proceedings
Jul 4, 2017
Auxiliary request during Opposition procedure
Jul 4, 2017
Auxiliary request during Opposition procedure
Jul 4, 2017
Auxiliary request during Opposition procedure
Jul 4, 2017
Auxiliary request during Opposition procedure
Jul 4, 2017
Written submission in preparation to/during oral proceedings
Jul 4, 2017
Written submission in preparation to/during oral proceedings
Jun 12, 2017
Brief communication - Opposition proceedings
Jun 6, 2017
(Electronic) Receipt
Jun 6, 2017
Letter accompanying subsequently filed items
Jun 6, 2017
Non-patent literature cited during the opposition procedure
Jun 6, 2017
Non-patent literature cited during the opposition procedure
Jun 6, 2017
Non-patent literature cited during the opposition procedure
Jun 6, 2017
Non-patent literature cited during the opposition procedure
Jun 6, 2017
Patent document cited during the opposition procedure
Jun 6, 2017
Written submission in preparation to/during oral proceedings
May 11, 2017
Brief communication - Opposition proceedings
May 4, 2017
Auxiliary request during Opposition procedure
May 4, 2017
Auxiliary request during Opposition procedure
May 4, 2017
Auxiliary request during Opposition procedure
May 4, 2017
Auxiliary request during Opposition procedure
May 4, 2017
Auxiliary request during Opposition procedure
May 4, 2017
Auxiliary request during Opposition procedure
May 4, 2017
Auxiliary request during Opposition procedure
May 4, 2017
Auxiliary request during Opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Written submission in preparation to/during oral proceedings
Mar 22, 2017
Brief communication - Opposition proceedings
Mar 16, 2017
(Electronic) Receipt
Mar 16, 2017
Letter accompanying subsequently filed items
Mar 16, 2017
Request for interpreters during oral proceedings
Dec 20, 2016
Advice of delivery
Dec 20, 2016
Advice of delivery
Dec 19, 2016
Advice of delivery
Dec 16, 2016
Annex to the communication - opposition
Dec 16, 2016
Information concerning oral proceedings
Dec 16, 2016
Preparation for oral proceedings
Dec 16, 2016
Summons to attend oral proceedings
Dec 16, 2016
Summons to attend oral proceedings
Sep 20, 2016
Brief communication - Opposition proceedings
Sep 13, 2016
Reply of the patent proprietor to the notice(s) of opposition
May 9, 2016
Communication of a notice of opposition and request to file observations
May 9, 2016
Notice of further oppositions to opponent(s)
Feb 5, 2016
Communication of a notice of opposition - first information to patent proprietor
Feb 2, 2016
(Electronic) Receipt
Feb 2, 2016
Any annexes (other than citation) to an opposition letter
Feb 2, 2016
Non-patent literature cited during the opposition procedure
Feb 2, 2016
Non-patent literature cited during the opposition procedure
Feb 2, 2016
Non-patent literature cited during the opposition procedure
Feb 2, 2016
Non-patent literature cited during the opposition procedure
Feb 2, 2016
Notice of opposition
Feb 2, 2016
Notice of opposition
Feb 2, 2016
Patent document cited during the examination procedure
Feb 2, 2016
Patent document cited during the examination procedure
Feb 2, 2016
Patent document cited during the examination procedure
Feb 2, 2016
Patent document cited during the opposition procedure
Feb 2, 2016
Patent document cited during the opposition procedure
Feb 2, 2016
Patent document cited during the opposition procedure
Feb 2, 2016
Patent document cited during the opposition procedure
Feb 2, 2016
Patent document cited during the opposition procedure
Jul 1, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 5, 2015
Decision to grant a European patent
May 19, 2015
Filing of the translations of the claims
May 19, 2015
French translation of claims
May 19, 2015
German translation of the claims
May 19, 2015
Payment of fees and costs
Feb 24, 2015
Submission concerning representation
Jan 28, 2015
Bibliographic data of the European patent application
Jan 28, 2015
Communication about intention to grant a European patent
Jan 28, 2015
Intention to grant (signatures)
Jan 28, 2015
Text intended for grant
Dec 11, 2014
Amended claims with annotations
Dec 11, 2014
Claims
Dec 11, 2014
Description
Dec 11, 2014
Reply to communication from the Examining Division
Aug 11, 2014
Annex to the communication
Aug 11, 2014
Communication from the Examining Division
Feb 28, 2014
Amended claims with annotations
Feb 28, 2014
Claims
Feb 28, 2014
Reply to communication from the Examining Division
Oct 28, 2013
Annex to the communication
Oct 28, 2013
Communication from the Examining Division
Sep 27, 2013
Amended claims filed after receipt of (European) search report
Sep 27, 2013
Amended claims with annotations
Sep 27, 2013
Amended description filed after receipt of (European) search report
Sep 27, 2013
Amendments received before examination
Jul 9, 2013
Letter concerning the priority
Jul 9, 2013
Translation of priority document
Apr 9, 2013
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Mar 22, 2013
Communication regarding the transmission of the European search report
Mar 22, 2013
European search opinion
Mar 22, 2013
Invitation to file a translation of the previous application
Mar 22, 2013
Supplementary European search report
Mar 3, 2010
Notification of forthcoming publication
Feb 16, 2010
Communication regarding possible amendment of claims/payment of claims fees
Feb 10, 2010
Translation of the international preliminary report on patentability
Feb 8, 2010
Drawings
Feb 8, 2010
Matter concerning the application
Jan 27, 2010
Copy of the international preliminary report on patentability
Jan 7, 2010
(Electronic) Receipt
Jan 7, 2010
Abstract
Jan 7, 2010
Annex
Jan 7, 2010
Claims
Jan 7, 2010
Description
Jan 7, 2010
Letter concerning the inventor
Jan 7, 2010
Request for entry into the European phase
Nov 20, 2009
Information on entry into European phase
Feb 4, 2009
Priority document (electronically transmitted)
Jan 15, 2009
Copy of the international search report
Jan 15, 2009
Copy of the translated international search report
Jan 15, 2009
International publication pamphlet

EP2168743

THE JAPAN STEEL WORKS

Application Number: EP08790996A
Filing Date: Jul 9, 2008
Status: Patent Maintained As Amended; Oct 28, 2022
Publication Date: Nov 30, 2022
External Links: Slate, Register , Google Patents

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Melting-Kneading Deaeration Extruder

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Dossier Documents

EP2168743