Microporous Membrane, Battery Separator And Battery

Patent No. EP2263275 (titled "Microporous Membrane, Battery Separator And Battery") was filed by Tonen Chemical on Feb 24, 2009. The application was issued on Apr 26, 2017.

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	Jan 26, 2018	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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Oct 25, 2019
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Oct 25, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 22, 2019
Termination of the opposition proceedings with maintenance of patent
Aug 29, 2019
Advice of delivery
Aug 2, 2019
Advice of delivery
Jul 24, 2019
(Electronic) Receipt
Jul 24, 2019
Advice of delivery
Jul 24, 2019
Letter accompanying subsequently filed items
Jul 19, 2019
Advice of delivery
Jul 12, 2019
Acknowledgement of a document
Jul 12, 2019
Acknowledgement of a document
Jul 12, 2019
Decision of the Opposition Division and instruction
Jul 12, 2019
Decision rejecting the opposition
Jul 12, 2019
Grounds for the decision (Annex) - opposition
Jul 12, 2019
Internal form - Opposition/addressees
Jul 12, 2019
Means of redress
Jun 18, 2019
Advice of delivery
Jun 11, 2019
Advice of delivery
Jun 4, 2019
Notification concerning the date of oral proceedings
Jun 4, 2019
Notification concerning the date of oral proceedings
May 22, 2019
Written submission in preparation to/during oral proceedings
May 3, 2019
Brief communication - Opposition proceedings
Apr 25, 2019
(Electronic) Receipt
Apr 25, 2019
Amended claims with annotations
Apr 25, 2019
Amended claims with annotations
Apr 25, 2019
Amended claims with annotations
Apr 25, 2019
Amended claims with annotations
Apr 25, 2019
Amended claims with annotations
Apr 25, 2019
Amended claims with annotations
Apr 25, 2019
Amended claims with annotations
Apr 25, 2019
Claims
Apr 25, 2019
Claims
Apr 25, 2019
Claims
Apr 25, 2019
Claims
Apr 25, 2019
Claims
Apr 25, 2019
Claims
Apr 25, 2019
Claims
Apr 25, 2019
Letter accompanying subsequently filed items
Apr 25, 2019
Written submission in preparation to/during oral proceedings
Apr 15, 2019
Brief communication - Opposition proceedings
Apr 8, 2019
Request for interpreters during oral proceedings
Jan 18, 2019
Advice of delivery
Jan 11, 2019
Advice of delivery
Jan 3, 2019
Advice of delivery
Dec 21, 2018
Advice of delivery
Dec 20, 2018
Communication of amended entries concerning the representative
Dec 19, 2018
(Electronic) Receipt
Dec 19, 2018
Advice of delivery
Dec 19, 2018
Letter accompanying subsequently filed items
Dec 14, 2018
Submission concerning change of applicant's representative
Dec 13, 2018
Submission concerning change of applicant's representative
Dec 12, 2018
Acknowledgement of a document
Dec 12, 2018
Acknowledgement of a document
Dec 12, 2018
Information about the result of oral proceedings
Dec 12, 2018
Information concerning oral proceedings
Dec 12, 2018
Notification concerning the date of oral proceedings
Dec 12, 2018
Notification concerning the date of oral proceedings
Dec 12, 2018
Summons to attend oral proceedings
Dec 12, 2018
Summons to attend oral proceedings
Dec 11, 2018
Advice of delivery
Nov 30, 2018
Brief communication - Opposition proceedings
Nov 26, 2018
(Electronic) Receipt
Nov 26, 2018
Any annexes (other than citation) to an opposition letter
Nov 26, 2018
Letter accompanying subsequently filed items
Nov 26, 2018
Oral proceedings: Request for postponement
Nov 15, 2018
(Electronic) Receipt
Nov 15, 2018
Advice of delivery
Nov 15, 2018
Letter accompanying subsequently filed items
Nov 13, 2018
Advice of delivery
Nov 9, 2018
Acknowledgement of a document
Nov 9, 2018
Acknowledgement of a document
Nov 9, 2018
Annex to the communication - opposition
Nov 9, 2018
Information about the result of oral proceedings
Nov 9, 2018
Information about the result of oral proceedings
Nov 9, 2018
Information concerning oral proceedings
Nov 9, 2018
Summons to attend oral proceedings
Nov 9, 2018
Summons to attend oral proceedings
Jun 26, 2018
Brief communication - Opposition proceedings
Jun 20, 2018
(Electronic) Receipt
Jun 20, 2018
Letter accompanying subsequently filed items
Jun 20, 2018
Reply of the patent proprietor to the notice(s) of opposition
May 18, 2018
Brief communication - Opposition proceedings
Feb 12, 2018
Communication of a notice of opposition and request to file observations
Feb 12, 2018
Notice of further oppositions to opponent(s)
Feb 6, 2018
Brief communication - Opposition proceedings
Feb 6, 2018
Letter regarding the opposition procedure (no time limit)
Feb 6, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Communication of a notice of opposition - first information to patent proprietor
Jan 30, 2018
Non-patent literature cited during the opposition procedure
Jan 30, 2018
Non-patent literature cited during the opposition procedure
Jan 30, 2018
Non-patent literature cited during the opposition procedure
Jan 30, 2018
Non-patent literature cited during the opposition procedure
Jan 30, 2018
Non-patent literature cited during the opposition procedure
Jan 30, 2018
Non-patent literature cited during the opposition procedure
Jan 30, 2018
Non-patent literature cited during the opposition procedure
Jan 30, 2018
Non-patent literature cited during the opposition procedure
Jan 30, 2018
Notice of opposition
Jan 30, 2018
Notice of opposition
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 30, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Non-patent literature cited during the opposition procedure
Jan 26, 2018
Non-patent literature cited during the opposition procedure
Jan 26, 2018
Notice of opposition
Jan 26, 2018
Notice of opposition
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Apr 26, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 30, 2017
Decision to grant a European patent
Mar 15, 2017
(Electronic) Receipt
Mar 15, 2017
Filing of the translations of the claims
Mar 15, 2017
French translation of claims
Mar 15, 2017
German translation of the claims
Mar 15, 2017
Letter accompanying subsequently filed items
Nov 11, 2016
Bibliographic data of the European patent application
Nov 11, 2016
Communication about intention to grant a European patent
Nov 11, 2016
Intention to grant (signatures)
Nov 11, 2016
Text intended for grant (clean copy)
Nov 11, 2016
Text intended for grant (version for approval)
Sep 20, 2016
(Electronic) Receipt
Sep 20, 2016
Amended claims with annotations
Sep 20, 2016
Amended description with annotations
Sep 20, 2016
Claims
Sep 20, 2016
Description
Sep 20, 2016
Letter accompanying subsequently filed items
Sep 20, 2016
Reply to communication from the Examining Division
Jul 18, 2016
Annex to the communication
Jul 18, 2016
Consultation by telephone/in person (with time limit)
Jul 18, 2016
Result of consultation by telephone/in person
Sep 9, 2015
(Electronic) Receipt
Sep 9, 2015
Amended claims with annotations
Sep 9, 2015
Amended description with annotations
Sep 9, 2015
Claims
Sep 9, 2015
Description
Sep 9, 2015
Letter accompanying subsequently filed items
Sep 9, 2015
Reply to communication from the Examining Division
May 11, 2015
Submission concerning representation
May 8, 2015
Submission concerning representation
Apr 30, 2015
Annex to the communication
Apr 30, 2015
Communication from the Examining Division
Feb 21, 2013
Payment of fees and costs
Nov 6, 2012
(Electronic) Receipt
Nov 6, 2012
Amended claims with annotations
Nov 6, 2012
Amended description with annotations
Nov 6, 2012
Claims
Nov 6, 2012
Description
Nov 6, 2012
Letter accompanying subsequently filed items
Nov 6, 2012
Reply to communication from the Examining Division
Oct 11, 2012
Communication of the registration of a transfer or change of name and/or address
Oct 4, 2012
Grant of extension of time limit (examination procedure)
Sep 27, 2012
(Electronic) Receipt
Sep 27, 2012
Letter accompanying subsequently filed items
Sep 27, 2012
Request for extension of time limit to communication from the Examining Division
Sep 4, 2012
Annexes in respect of a client data request
Sep 4, 2012
Submission concerning change of applicant's name
May 25, 2012
Annex to the communication
May 25, 2012
Communication from the Examining Division
Mar 13, 2012
Communication of the registration of a transfer or change of name and/or address
Feb 21, 2012
Payment of fees and costs
Feb 20, 2012
(Electronic) Receipt
Feb 20, 2012
Annexes in respect of a client data request
Feb 20, 2012
Letter accompanying subsequently filed items
Feb 20, 2012
Miscellaneous requests for changes concerning the applicant
Feb 20, 2012
Miscellaneous requests for changes concerning the applicant
Feb 20, 2012
Submission concerning change of applicant's name
May 9, 2011
Communication of the registration of a transfer or change of name and/or address
Apr 4, 2011
(Electronic) Receipt
Apr 4, 2011
Annexes in respect of a client data request
Apr 4, 2011
Annexes in respect of a client data request
Apr 4, 2011
Communication confirming withdrawal from representation
Apr 4, 2011
Communication of amended entries concerning the representative
Apr 4, 2011
Letter accompanying subsequently filed items
Apr 4, 2011
Submission concerning a transfer of rights (applicant)
Apr 4, 2011
Submission concerning a transfer of rights (applicant)
Mar 15, 2011
(Electronic) Receipt
Mar 15, 2011
Letter accompanying subsequently filed items
Mar 15, 2011
Submission concerning change of applicant's representative
Mar 4, 2011
Letter concerning fees and payments
Mar 4, 2011
Submission concerning change of applicant's representative
Jan 10, 2011
Invitation to indicate correct address of inventor
Dec 29, 2010
Letter which had not been notified
Nov 24, 2010
Notification on forthcoming publication of bibliographic data
Oct 20, 2010
Communication regarding comments on Written Opinion/amendment of application/payment of claims fee
Oct 7, 2010
(Electronic) Receipt
Oct 7, 2010
Amended claims filed after receipt of (European) search report
Oct 7, 2010
Request for entry into the European phase
Oct 7, 2010
Submission concerning representation
Sep 20, 2010
Copy of the international preliminary report on patentability
Jul 27, 2010
Notification of the recording of a change
Jul 16, 2010
Information on entry into European phase
Oct 1, 2009
Priority document (electronically transmitted)
Sep 11, 2009
Copy of the international search report
Sep 11, 2009
International publication pamphlet
Jul 13, 2009
Written opinion of the ISA, boxes No. I to VIII
Jul 13, 2009
Written opinion of the ISA, cover sheet
Jul 13, 2009
Written opinion of the ISA, supplemental box
Apr 23, 2009
Abstract
Apr 23, 2009
Claims
Apr 23, 2009
Description

EP2263275

TONEN CHEMICAL

Application Number: EP09717484A
Filing Date: Feb 24, 2009
Status: Opposition Rejected; Oct 25, 2019
Publication Date: Apr 26, 2017
External Links: Slate, Register , Google Patents

IP Verse

Microporous Membrane, Battery Separator And Battery

Patent Summary

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Patent Oppositions

Dossier Documents

EP2263275