Single-Layer Lithium Ion Battery Separator

Patent No. EP2710652 (titled "Single-Layer Lithium Ion Battery Separator") was filed by Dreamweaver on May 18, 2012. The application was issued on Oct 18, 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
HEINEMANN	Jul 17, 2018	HEINEMANN

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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Sep 26, 2022
Termination of the opposition proceedings with revocation of patent
Sep 20, 2022
Advice of delivery
Sep 15, 2022
Decision of the Board of Appeal
Sep 15, 2022
F3032 Notification(s) of the decision
Sep 15, 2022
F3032 Notification(s) of the decision
Jul 22, 2022
F3013 Oral Proceedings: Forwarding minutes
Jul 22, 2022
F3013 Oral Proceedings: Forwarding minutes
Jul 22, 2022
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Jul 13, 2022
Advice of delivery
Jul 11, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 11, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 11, 2022
Oral proceedings: change of venue
Jul 11, 2022
Oral proceedings: change of venue
May 23, 2022
F3345 Forwarding of submissions to parties
May 18, 2022
(Electronic) Receipt
May 18, 2022
Letter accompanying subsequently filed items
May 18, 2022
Request for interpreters during oral proceedings
Mar 7, 2022
Advice of delivery
Mar 7, 2022
Advice of delivery
Mar 3, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 3, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 1, 2022
F3345 Forwarding of submissions to parties
Feb 28, 2022
F3014 Oral Proceedings: Order cancelling/postponing
Feb 28, 2022
F3345 Forwarding of submissions to parties
Feb 24, 2022
Written submission in preparation to/during oral proceedings
Feb 23, 2022
Oral proceedings: Request for postponement
Feb 21, 2022
Advice of delivery
Feb 18, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 18, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 18, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 18, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 15, 2022
F3014 Oral Proceedings: Order cancelling/postponing
Jan 31, 2022
Advice of delivery
Jan 24, 2022
F3011.1 Oral Proceedings: summons
Jan 24, 2022
F3011.1 Oral Proceedings: summons
Jan 24, 2022
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Jan 19, 2022
F3010 Oral proceedings: order for summons
Feb 4, 2021
F3345 Forwarding of submissions to parties
Jan 28, 2021
(Electronic) Receipt
Jan 28, 2021
Letter accompanying subsequently filed items
Jan 28, 2021
Letter relating to Appeal Procedure
Oct 15, 2020
Composition of the board (T)
Aug 12, 2020
F3345 Forwarding of submissions to parties
Aug 6, 2020
(Electronic) Receipt
Aug 6, 2020
Letter accompanying subsequently filed items
Aug 6, 2020
Reply to appeal
May 6, 2020
(Electronic) Receipt
May 6, 2020
Letter accompanying subsequently filed items
May 6, 2020
Letter relating to Appeal Procedure
Mar 27, 2020
F3028 Inadmissibility of the appeal: non-submission of the statement of grounds
Mar 27, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 27, 2020
F3345 Forwarding of submissions to parties
Mar 27, 2020
F3936 Acknowledgement of receipt Board of Appeal
Mar 9, 2020
Non-Patent Literature cited during the appeal procedure
Mar 9, 2020
Non-Patent Literature cited during the appeal procedure
Mar 9, 2020
Non-Patent Literature cited during the appeal procedure
Mar 9, 2020
Non-Patent Literature cited during the appeal procedure
Mar 9, 2020
Non-Patent Literature cited during the appeal procedure
Mar 9, 2020
Non-Patent Literature cited during the appeal procedure
Mar 9, 2020
Non-Patent Literature cited during the appeal procedure
Mar 9, 2020
Statement of grounds of appeal
Jan 21, 2020
F3204 Communication of the file number to the parties
Jan 21, 2020
F3204 Communication of the file number to the parties
Jan 21, 2020
F3204 Communication of the file number to the parties
Jan 21, 2020
F3204 Communication of the file number to the parties
Jan 10, 2020
(Electronic) Receipt
Jan 10, 2020
Letter accompanying subsequently filed items
Jan 10, 2020
Notice of appeal
Jan 8, 2020
(Electronic) Receipt
Jan 8, 2020
Letter accompanying subsequently filed items
Jan 8, 2020
Notice of appeal
Nov 7, 2019
Advice of delivery
Nov 5, 2019
Advice of delivery
Nov 4, 2019
Advice of delivery
Oct 31, 2019
Acknowledgement of a document
Oct 31, 2019
Acknowledgement of a document
Oct 31, 2019
Annex to the communication - opposition
Oct 31, 2019
Decision of the Opposition Division and instruction
Oct 31, 2019
Druckexemplar in opposition procedure
Oct 31, 2019
Grounds for the decision (Annex) - opposition
Oct 31, 2019
Interlocutory decision in opposition proceedings
Oct 31, 2019
Internal form - Opposition/addressees
Oct 31, 2019
Internal form - Opposition/addressees
Oct 31, 2019
Means of redress
Oct 31, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 31, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 31, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 31, 2019
Provision of a copy of the minutes - opposition procedure
Oct 31, 2019
Scanned annex to a communication - opposition procedure
Sep 12, 2019
Information about the result of oral proceedings
Sep 12, 2019
Information about the result of oral proceedings
Aug 29, 2019
Brief communication - Opposition proceedings
Aug 27, 2019
Authorisation
Aug 27, 2019
Submission concerning change of applicant's address
Aug 27, 2019
Written submission in preparation to/during oral proceedings
Aug 23, 2019
Written submission in preparation to/during oral proceedings
Aug 22, 2019
Communication of the registration of a transfer or change of name and/or address
Aug 19, 2019
Submission concerning change of applicant's address
Aug 7, 2019
Brief communication - Opposition proceedings
Aug 6, 2019
Communication of amended entries
Aug 6, 2019
Communication of amended entries
Jul 29, 2019
Authorisation
Jul 29, 2019
Request concerning representative opponent
Jul 18, 2019
Brief communication - Opposition proceedings
Jul 17, 2019
Communication of amended entries
Jul 17, 2019
Communication of amended entries
Jul 12, 2019
(Electronic) Receipt
Jul 12, 2019
(Electronic) Receipt
Jul 12, 2019
Citation in opposition procedure - 001
Jul 12, 2019
Citation in opposition procedure - 011
Jul 12, 2019
Citation in opposition procedure - 012
Jul 12, 2019
Citation in opposition procedure - 013
Jul 12, 2019
Citation in opposition procedure - 014
Jul 12, 2019
Consolidated list of cited opposition documents
Jul 12, 2019
Letter accompanying subsequently filed items
Jul 12, 2019
Letter accompanying subsequently filed items
Jul 12, 2019
Request for interpreters during oral proceedings
Jul 12, 2019
Written submission in preparation to/during oral proceedings
Jul 11, 2019
Authorisation
Jul 11, 2019
Letter regarding the opposition procedure (no time limit)
Jun 19, 2019
Invitation to file an authorisation
Jun 6, 2019
Letter regarding the opposition procedure (no time limit)
Feb 19, 2019
Advice of delivery
Feb 15, 2019
Advice of delivery
Feb 14, 2019
Advice of delivery
Feb 13, 2019
Advice of delivery
Feb 11, 2019
Advice of delivery
Feb 8, 2019
Acknowledgement of a document
Feb 8, 2019
Acknowledgement of a document
Feb 8, 2019
Annex to the communication - opposition
Feb 8, 2019
Information concerning oral proceedings
Feb 8, 2019
Summons to attend oral proceedings
Feb 8, 2019
Summons to attend oral proceedings
Dec 11, 2018
Amended claims with annotations
Dec 11, 2018
Amended claims with annotations
Dec 11, 2018
Amended claims with annotations
Dec 11, 2018
Amended claims with annotations
Dec 11, 2018
Brief communication - Opposition proceedings
Dec 11, 2018
Citation in opposition procedure - 010
Dec 11, 2018
Claims
Dec 11, 2018
Claims
Dec 11, 2018
Claims
Dec 11, 2018
Claims
Dec 11, 2018
Claims
Dec 11, 2018
Reply of the patent proprietor to the notice(s) of opposition
Dec 5, 2018
Amended claims with annotations
Dec 5, 2018
Amended claims with annotations
Dec 5, 2018
Amended claims with annotations
Dec 5, 2018
Amended claims with annotations
Dec 5, 2018
Claims
Dec 5, 2018
Claims
Dec 5, 2018
Claims
Dec 5, 2018
Claims
Dec 5, 2018
Claims
Dec 5, 2018
Non-patent literature cited during the opposition procedure
Dec 5, 2018
Reply of the patent proprietor to the notice(s) of opposition
Aug 6, 2018
Communication of a notice of opposition and request to file observations
Aug 6, 2018
Notice of further oppositions to opponent(s)
Jul 24, 2018
Communication of a notice of opposition - first information to patent proprietor
Jul 17, 2018
(Electronic) Receipt
Jul 17, 2018
Citation in opposition procedure - 001
Jul 17, 2018
Citation in opposition procedure - 002
Jul 17, 2018
Citation in opposition procedure - 002
Jul 17, 2018
Citation in opposition procedure - 003
Jul 17, 2018
Citation in opposition procedure - 004
Jul 17, 2018
Citation in opposition procedure - 005
Jul 17, 2018
Citation in opposition procedure - 006
Jul 17, 2018
Citation in opposition procedure - 007
Jul 17, 2018
Citation in opposition procedure - 008
Jul 17, 2018
Citation in opposition procedure - 009
Jul 17, 2018
International publication (Pamphlet)
Jul 17, 2018
Notice of opposition
Jul 17, 2018
Notice of opposition
Oct 26, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 21, 2017
Decision to grant a European patent
Sep 11, 2017
Filing of the translations of the claims
Sep 11, 2017
French translation of claims
Sep 11, 2017
German translation of the claims
Sep 11, 2017
Payment of fees and costs
Sep 7, 2017
Filing of the translations of the claims
Sep 7, 2017
French translation of claims
Sep 7, 2017
German translation of the claims
Sep 7, 2017
Payment of fees and costs
Sep 7, 2017
Payment of fees and costs
Jun 23, 2017
Bibliographic data of the European patent application
Jun 23, 2017
Communication about intention to grant a European patent
Jun 23, 2017
Intention to grant (signatures)
Jun 23, 2017
Text intended for grant (clean copy)
Jun 23, 2017
Text intended for grant (version for approval)
May 16, 2017
Examination started
Apr 18, 2017
Letter concerning fees and payments
Feb 22, 2017
Notification regarding date of start of examination with possibility to withdraw
Jan 25, 2017
Communication concerning the filing of a power of attorney
Jan 25, 2017
Communication of amended entries concerning the representative
Dec 19, 2016
Authorisation
Dec 19, 2016
Submission concerning change of applicant's representative
Dec 16, 2016
Authorisation
Dec 16, 2016
Submission concerning change of applicant's representative
Feb 23, 2016
Submission concerning representation
May 13, 2015
(Electronic) Receipt
May 13, 2015
Amended claims filed after receipt of (European) search report
May 13, 2015
Amended claims with annotations
May 13, 2015
Amendments received before examination
May 13, 2015
Letter accompanying subsequently filed items
Nov 11, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 24, 2014
Communication regarding the transmission of the European search report
Oct 24, 2014
European search opinion
Oct 24, 2014
Supplementary European search report
Oct 7, 2014
Search started
May 1, 2014
Submission concerning representation
Feb 26, 2014
Notification on forthcoming publication of bibliographic data
Jan 28, 2014
Confirmation of receipt of (electronically) transmitted priority document
Jan 22, 2014
Priority document (electronically transmitted)
Jan 7, 2014
Communication to designated inventor
Jan 7, 2014
Communication to designated inventor
Dec 4, 2013
Copy of the international preliminary report on patentability
Nov 27, 2013
(Electronic) Receipt
Nov 27, 2013
Amended claims filed after receipt of (European) search report
Nov 27, 2013
Amended claims with annotations
Nov 27, 2013
Request for entry into the European phase
Oct 7, 2013
Information on entry into European phase
Nov 29, 2012
Copy of the international search report
Nov 29, 2012
Published international application - A1

EP2710652

DREAMWEAVER

Application Number: EP12789264A
Filing Date: May 18, 2012
Status: Revoked; Sep 26, 2022
Publication Date: Oct 18, 2017
External Links: Slate, Register , Google Patents

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Single-Layer Lithium Ion Battery Separator

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Dossier Documents

EP2710652