The weekly litigation news digest is live. Subscribe now

IP Verse

Microporous Membrane, Battery Separator And Battery - EP2263275

The patent EP2263275 was granted to Tonen Chemical on Apr 26, 2017. The application was filed on Feb 24, 2009 under application number EP09717484A. The patent is currently recorded with a legal status of "Opposition Rejected".

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

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	Opposition Status
TREOFAN GERMANY	Jan 26, 2018	MAI BESIER	ADMISSIBLE

Patent Citations (31) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	GB2070847
DESCRIPTION	GB2298817
DESCRIPTION	JPH06240036
DESCRIPTION	US3801404
DESCRIPTION	US3839516
DESCRIPTION	US5051183
DESCRIPTION	US6096213
DESCRIPTION	WO0020492
DESCRIPTION	WO02072248
DESCRIPTION	WO2005113657
DESCRIPTION	WO2007117042
DESCRIPTION	WO2008016174
DESCRIPTION	WO9948959
EXAMINATION	JP2003003006
INTERNATIONAL-SEARCH-REPORT	GB2070847
INTERNATIONAL-SEARCH-REPORT	GB2298817
INTERNATIONAL-SEARCH-REPORT	JP2000086790
INTERNATIONAL-SEARCH-REPORT	JP2001172420
INTERNATIONAL-SEARCH-REPORT	JP2001192487
INTERNATIONAL-SEARCH-REPORT	JP2007335242
INTERNATIONAL-SEARCH-REPORT	JP2008280508
INTERNATIONAL-SEARCH-REPORT	WO2008016174
OPPOSITION	GB2298817
OPPOSITION	US2007009803
OPPOSITION	US3632733
OPPOSITION	US4343852
OPPOSITION	US4415523
OPPOSITION	US4436888
OPPOSITION	US4649009
OPPOSITION	US4652409
OPPOSITION	WO2008016174

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

Get instant alerts for new documents

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