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Laminated Separator, Polyolefin Microporous Membrane, And Separator For Electricity Storage Device

Patent No. EP2408043 (titled "Laminated Separator, Polyolefin Microporous Membrane, And Separator For Electricity Storage Device") was filed by Asahi Kasei E Materials on Mar 9, 2010. The application was issued on Feb 28, 2018.

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
TREOFAN GERMANY	Jun 24, 2015	MAI BESIER

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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Feb 1, 2018
Decision to maintain the European patent in amended form
Feb 1, 2018
Decision to maintain the European patent in amended form
Jan 26, 2018
Termination of the opposition proceedings with maintenance of patent
Jan 17, 2018
(Electronic) Receipt
Jan 17, 2018
Filing of the translation of the amended claims
Jan 17, 2018
French translation of claims
Jan 17, 2018
German translation of the claims
Nov 27, 2017
Communication of bibliographic data
Nov 27, 2017
Communication to opponent concerning maintenance
Nov 27, 2017
Communication with request to file translations
Nov 16, 2017
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 16, 2017
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 16, 2017
Refund of fees
Nov 14, 2017
Maintenance of the patent with the documents specified in the final decision
Nov 3, 2017
F3345 Forwarding of submissions to parties
Oct 30, 2017
Composition of the board (T)
Oct 30, 2017
Withdrawal of an appeal
Oct 24, 2017
Withdrawal of an appeal
Sep 25, 2017
F3204 Communication of the file number to the parties
Sep 25, 2017
F3204 Communication of the file number to the parties
Sep 18, 2017
Letter relating to Appeal Procedure
Sep 18, 2017
Payment of fees and costs
Sep 15, 2017
Processing of an appeal
Sep 14, 2017
Notice of appeal
Sep 14, 2017
Payment of fees and costs
Sep 14, 2017
Payment of fees and costs
Jul 6, 2017
Advice of delivery
Jul 6, 2017
Advice of delivery
Jul 5, 2017
Advice of delivery
Jul 4, 2017
Acknowledgement of a document
Jul 4, 2017
Acknowledgement of a document
Jul 4, 2017
Annex to the communication - opposition
Jul 4, 2017
Decision of the Opposition Division and instruction
Jul 4, 2017
Druckexemplar in opposition procedure
Jul 4, 2017
Grounds for the decision (Annex) - opposition
Jul 4, 2017
Interlocutory decision in opposition proceedings
Jul 4, 2017
Internal form - Opposition/addressees
Jul 4, 2017
Internal form - Opposition/addressees
Jul 4, 2017
Means of redress
Jul 4, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 4, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 4, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 4, 2017
Provision of a copy of the minutes - opposition procedure
Jul 4, 2017
Scanned annex to a communication - opposition procedure
Jul 4, 2017
Scanned annex to a communication - opposition procedure
Jul 4, 2017
Scanned annex to a communication - opposition procedure
Jul 4, 2017
Scanned annex to a communication - opposition procedure
Jul 4, 2017
Scanned annex to a communication - opposition procedure
May 12, 2017
Information about the result of oral proceedings
May 9, 2017
Brief communication - Opposition proceedings
Apr 27, 2017
(Electronic) Receipt
Apr 27, 2017
Citation in opposition procedure
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Claims
Apr 27, 2017
Letter accompanying subsequently filed items
Apr 27, 2017
Written submission in preparation to/during oral proceedings
Apr 13, 2017
Communication of amended entries
Apr 3, 2017
Request concerning representative opponent
Mar 16, 2017
Brief communication - Opposition proceedings
Mar 14, 2017
Brief communication - Opposition proceedings
Mar 13, 2017
Written submission in preparation to/during oral proceedings
Mar 10, 2017
Written submission in preparation to/during oral proceedings
Mar 8, 2017
(Electronic) Receipt
Mar 8, 2017
Auxiliary request during Opposition procedure
Mar 8, 2017
Auxiliary request during Opposition procedure
Mar 8, 2017
Auxiliary request during Opposition procedure
Mar 8, 2017
Auxiliary request during Opposition procedure
Mar 8, 2017
Auxiliary request during Opposition procedure
Mar 8, 2017
Letter accompanying subsequently filed items
Mar 8, 2017
Main request during Opposition procedure
Mar 8, 2017
Written submission in preparation to/during oral proceedings
Oct 18, 2016
Brief communication - Opposition proceedings
Oct 12, 2016
Brief communication - Opposition proceedings
Oct 11, 2016
Request for interpreters during oral proceedings
Oct 4, 2016
Request for interpreters during oral proceedings
Sep 29, 2016
Advice of delivery
Sep 27, 2016
Advice of delivery
Sep 26, 2016
Advice of delivery
Sep 26, 2016
Advice of delivery
Sep 23, 2016
Summons to attend oral proceedings
Sep 23, 2016
Summons to attend oral proceedings
Sep 14, 2016
Brief communication - Opposition proceedings
Sep 8, 2016
Advice of delivery
Sep 8, 2016
Advice of delivery
Sep 8, 2016
Oral proceedings: Request for postponement
Sep 7, 2016
Advice of delivery
Sep 7, 2016
Advice of delivery
Sep 6, 2016
Annex to the communication - opposition
Sep 6, 2016
Preparation for oral proceedings
Sep 6, 2016
Summons to attend oral proceedings
Sep 6, 2016
Summons to attend oral proceedings
Sep 1, 2016
Information about the result of oral proceedings
May 27, 2016
Communication of the registration of a transfer or change of name and/or address
May 9, 2016
Submission concerning representation
Apr 27, 2016
(Electronic) Receipt
Apr 27, 2016
Annexes in respect of a client data request
Apr 27, 2016
Letter accompanying subsequently filed items
Apr 27, 2016
Submission concerning a transfer of rights (applicant)
Apr 22, 2016
Submission concerning representation
Feb 8, 2016
Brief communication - Opposition proceedings
Jan 30, 2016
Auxiliary request during Opposition procedure
Jan 30, 2016
Auxiliary request during Opposition procedure
Jan 30, 2016
Auxiliary request during Opposition procedure
Jan 30, 2016
Auxiliary request during Opposition procedure
Jan 30, 2016
Main request during Opposition procedure
Jan 30, 2016
Non-patent literature cited during the opposition procedure
Jan 30, 2016
Non-patent literature cited during the opposition procedure
Jan 30, 2016
Non-patent literature cited during the opposition procedure
Jan 30, 2016
Non-patent literature cited during the opposition procedure
Jan 30, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jan 25, 2016
Brief communication - Opposition proceedings
Jan 25, 2016
Communication of amended entries
Jan 18, 2016
Request concerning representative opponent
Jan 15, 2016
Request concerning representative opponent
Dec 7, 2015
Brief communication - Opposition proceedings
Dec 7, 2015
Grant of extension of time limit (opposition procedure)
Dec 1, 2015
Request for extension of time limit
Jul 30, 2015
Brief communication - Opposition proceedings
Jul 29, 2015
Communication of a notice of opposition and request to file observations
Jul 29, 2015
Notice of further oppositions to opponent(s)
Jul 24, 2015
Letter regarding the opposition procedure (no time limit)
Jul 24, 2015
N/A
Jul 24, 2015
Non-patent literature cited during the opposition procedure
Jul 24, 2015
Notice of opposition
Jul 15, 2015
Brief communication - Opposition proceedings
Jul 10, 2015
N/A
Jul 8, 2015
Any annexes (other than citation) to an opposition letter
Jul 8, 2015
Non-patent literature cited during the opposition procedure
Jul 8, 2015
Notice of opposition
Jul 8, 2015
Notice of opposition
Jul 8, 2015
Patent document cited during the opposition procedure
Jul 8, 2015
Patent document cited during the opposition procedure
Jul 8, 2015
Patent document cited during the opposition procedure
Jul 8, 2015
Patent document cited during the opposition procedure
Jul 8, 2015
Patent document cited during the opposition procedure
Jul 8, 2015
Payment of fees and costs
Jul 3, 2015
Communication of a notice of opposition - first information to patent proprietor
Jun 24, 2015
Non-patent literature cited during the opposition procedure
Jun 24, 2015
Notice of opposition
Jun 24, 2015
Notice of opposition
Jun 24, 2015
Payment of fees and costs
Jun 24, 2015
Payment of fees and costs
Sep 26, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 28, 2014
Decision to grant a European patent
Aug 12, 2014
(Electronic) Receipt
Aug 12, 2014
Filing of the translations of the claims
Aug 12, 2014
French translation of claims
Aug 12, 2014
German translation of the claims
Aug 12, 2014
Letter accompanying subsequently filed items
Apr 9, 2014
Bibliographic data of the European patent application
Apr 9, 2014
Communication about intention to grant a European patent
Apr 9, 2014
Intention to grant (signatures)
Apr 9, 2014
Text intended for grant
Apr 1, 2014
Submission concerning representation
Feb 21, 2014
Claims
Feb 21, 2014
Description
Feb 21, 2014
Reply to communication from the Examining Division
Nov 5, 2013
Communication concerning corrected entries of the applicant
Oct 23, 2013
Annex to the communication
Oct 23, 2013
Communication from the Examining Division
Sep 12, 2013
Claims
Sep 12, 2013
Drawings
Sep 12, 2013
Reply to communication from the Examining Division
Sep 9, 2013
Request for correction of client data
May 21, 2013
Annex to the communication
May 21, 2013
Communication from the Examining Division
May 3, 2013
Communication regarding the transmission of the European search report
May 3, 2013
Supplementary European search report
Feb 21, 2013
Enquiry as to when the search report can be expected
Dec 21, 2011
Notification of forthcoming publication
Nov 1, 2011
Translation of the international preliminary report on patentability
Sep 29, 2011
Copy of the international preliminary report on patentability
Sep 28, 2011
Brief communication to applicant/representative
Sep 9, 2011
(Electronic) Receipt
Sep 9, 2011
Abstract
Sep 9, 2011
Claims
Sep 9, 2011
Description
Sep 9, 2011
Drawings
Sep 9, 2011
Matter concerning the application
Sep 9, 2011
Request for entry into the European phase
Jul 20, 2011
Information on entry into European phase
Oct 5, 2010
Priority document (electronically transmitted)
Oct 5, 2010
Priority document (electronically transmitted)
Oct 5, 2010
Priority document (electronically transmitted)
Oct 5, 2010
Priority document (electronically transmitted)
Oct 5, 2010
Priority document (electronically transmitted)
Oct 5, 2010
Priority document (electronically transmitted)
Sep 16, 2010
Copy of the international search report
Sep 16, 2010
Copy of the translated international search report
Sep 16, 2010
International publication pamphlet

EP2408043

ASAHI KASEI E MATERIALS

Application Number: EP10750830A
Filing Date: Mar 9, 2010
Status: Patent Maintained As Amended; Jan 26, 2018
Publication Date: Feb 28, 2018
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