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Methods Of Making Single-Layer Lithium Ion Battery Separators Having Nanofiber And Microfiber Components

Patent No. EP2923395 (titled "Methods Of Making Single-Layer Lithium Ion Battery Separators Having Nanofiber And Microfiber Components") was filed by Dreamweaver on Nov 20, 2013. The application was issued on Aug 30, 2017.

Patent Summary

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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
HEINEMANN	May 28, 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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Mar 18, 2022
Termination of the opposition proceedings with revocation of patent
Mar 14, 2022
Advice of delivery
Mar 10, 2022
Decision of the Board of Appeal
Mar 10, 2022
F3032 Notification(s) of the decision
Mar 10, 2022
F3032 Notification(s) of the decision
Jan 20, 2022
F3013 Oral Proceedings: Forwarding minutes
Jan 20, 2022
F3013 Oral Proceedings: Forwarding minutes
Jan 20, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Dec 13, 2021
Advice of delivery
Dec 8, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 8, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 8, 2021
Oral proceedings: change of venue
Dec 8, 2021
Oral proceedings: change of venue
Dec 2, 2021
F3345 Forwarding of submissions to parties
Nov 24, 2021
(Electronic) Receipt
Nov 24, 2021
Letter regarding the opposition procedure (no time limit)
Nov 24, 2021
Request for interpreters during oral proceedings
Oct 6, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 6, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 16, 2021
(Electronic) Receipt
Jul 16, 2021
Advice of delivery
Jul 16, 2021
Letter accompanying subsequently filed items
Jun 21, 2021
Communication about missing proof of delivery
May 26, 2021
Advice of delivery
May 18, 2021
F3011.1 Oral Proceedings: summons
May 18, 2021
F3011.1 Oral Proceedings: summons
May 12, 2021
F3010 Oral proceedings: order for summons
Oct 12, 2020
Composition of the board (T)
Jun 30, 2020
F3345 Forwarding of submissions to parties
Jun 25, 2020
(Electronic) Receipt
Jun 25, 2020
Letter accompanying subsequently filed items
Jun 25, 2020
Non-Patent Literature cited during the appeal procedure
Jun 25, 2020
Non-Patent Literature cited during the appeal procedure
Jun 25, 2020
Reply to appeal
Feb 27, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 20, 2020
(Electronic) Receipt
Feb 20, 2020
Amended claims with annotations
Feb 20, 2020
Amended claims with annotations
Feb 20, 2020
Amended claims with annotations
Feb 20, 2020
Amended claims with annotations
Feb 20, 2020
Auxiliary request during appeals procedure - 01
Feb 20, 2020
Auxiliary request during appeals procedure - 02
Feb 20, 2020
Auxiliary request during appeals procedure - 03
Feb 20, 2020
Auxiliary request during appeals procedure - 04
Feb 20, 2020
Claims
Feb 20, 2020
Letter accompanying subsequently filed items
Feb 20, 2020
Statement of grounds of appeal
Jan 15, 2020
F3204 Communication of the file number to the parties
Jan 15, 2020
F3204 Communication of the file number to the parties
Dec 20, 2019
(Electronic) Receipt
Dec 20, 2019
Letter accompanying subsequently filed items
Dec 20, 2019
Notice of appeal
Oct 22, 2019
Advice of delivery
Oct 18, 2019
Advice of delivery
Oct 16, 2019
Advice of delivery
Oct 15, 2019
Advice of delivery
Oct 10, 2019
Acknowledgement of a document
Oct 10, 2019
Acknowledgement of a document
Oct 10, 2019
Annex to the communication - opposition
Oct 10, 2019
Decision of the Opposition Division and instruction
Oct 10, 2019
Decision revoking the European patent
Oct 10, 2019
Grounds for the decision (Annex) - opposition
Oct 10, 2019
Internal form - Opposition/addressees
Oct 10, 2019
Internal form - Opposition/addressees
Oct 10, 2019
Means of redress
Oct 10, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 10, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 10, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 10, 2019
Provision of a copy of the minutes - opposition procedure
Oct 10, 2019
Scanned annex to a communication - opposition procedure
Sep 4, 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 proprietor's address
Aug 27, 2019
Written submission in preparation to/during oral proceedings
Aug 26, 2019
Communication of the registration of a transfer or change of name and/or address
Aug 23, 2019
Written submission in preparation to/during oral proceedings
Aug 19, 2019
Submission concerning change of proprietor's address
Aug 7, 2019
Brief communication - Opposition proceedings
Aug 7, 2019
Communication of amended entries
Aug 7, 2019
Communication of amended entries
Aug 2, 2019
Request for a change of address - opponent
Jul 29, 2019
Authorisation
Jul 29, 2019
Request for change of opponent's representative
Jul 9, 2019
Amended claims with annotations
Jul 9, 2019
Amended claims with annotations
Jul 9, 2019
Amended claims with annotations
Jul 9, 2019
Amended claims with annotations
Jul 9, 2019
Citation in opposition procedure - 009
Jul 9, 2019
Citation in opposition procedure - 010
Jul 9, 2019
Claims
Jul 9, 2019
Claims
Jul 9, 2019
Claims
Jul 9, 2019
Claims
Jul 9, 2019
Written submission in preparation to/during oral proceedings
Jul 8, 2019
Brief communication - Opposition proceedings
Jul 5, 2019
Brief communication - Opposition proceedings
Jul 5, 2019
Fax filed during the opposition procedure
Jul 3, 2019
Brief communication - Opposition proceedings
Jul 3, 2019
Communication concerning the filing of a power of attorney
Jul 3, 2019
Communication of amended entries
Jul 2, 2019
(Electronic) Receipt
Jul 2, 2019
(Electronic) Receipt
Jul 2, 2019
Citation in opposition procedure - 012
Jul 2, 2019
Citation in opposition procedure - 013
Jul 2, 2019
Citation in opposition procedure - 014
Jul 2, 2019
Citation in opposition procedure - 014
Jul 2, 2019
Citation in opposition procedure - 015
Jul 2, 2019
Citation in opposition procedure - 016
Jul 2, 2019
Citation in opposition procedure - 016
Jul 2, 2019
Consolidated list of cited opposition documents
Jul 2, 2019
Letter accompanying subsequently filed items
Jul 2, 2019
Letter accompanying subsequently filed items
Jul 2, 2019
Request for interpreters during oral proceedings
Jul 2, 2019
Written submission in preparation to/during oral proceedings
Jul 1, 2019
Amended claims with annotations
Jul 1, 2019
Amended claims with annotations
Jul 1, 2019
Amended claims with annotations
Jul 1, 2019
Amended claims with annotations
Jul 1, 2019
Citation in opposition procedure - 011
Jul 1, 2019
Claims
Jul 1, 2019
Claims
Jul 1, 2019
Claims
Jul 1, 2019
Claims
Jul 1, 2019
Non-patent literature cited during the opposition procedure
Jul 1, 2019
Non-patent literature cited during the opposition procedure
Jul 1, 2019
Written submission in preparation to/during oral proceedings
Jun 6, 2019
Request for change of opponent's representative
Feb 5, 2019
Advice of delivery
Feb 1, 2019
Advice of delivery
Jan 31, 2019
Advice of delivery
Jan 31, 2019
Advice of delivery
Jan 30, 2019
Advice of delivery
Jan 25, 2019
Acknowledgement of a document
Jan 25, 2019
Acknowledgement of a document
Jan 25, 2019
Annex to the communication - opposition
Jan 25, 2019
Information concerning oral proceedings
Jan 25, 2019
Summons to attend oral proceedings
Jan 25, 2019
Summons to attend oral proceedings
Oct 18, 2018
Brief communication - Opposition proceedings
Oct 17, 2018
Amended claims with annotations
Oct 17, 2018
Amended claims with annotations
Oct 17, 2018
Amended claims with annotations
Oct 17, 2018
Authorisation
Oct 17, 2018
Citation in opposition procedure - 007
Oct 17, 2018
Citation in opposition procedure - 008
Oct 17, 2018
Claims
Oct 17, 2018
Claims
Oct 17, 2018
Claims
Oct 17, 2018
Claims
Oct 17, 2018
Reply of the patent proprietor to the notice(s) of opposition
Oct 17, 2018
Reply of the patent proprietor to the notice(s) of opposition
Oct 15, 2018
Cover sheet for fax transmission
Oct 12, 2018
Amended claims with annotations
Oct 12, 2018
Amended claims with annotations
Oct 12, 2018
Amended claims with annotations
Oct 12, 2018
Authorisation
Oct 12, 2018
Claims
Oct 12, 2018
Claims
Oct 12, 2018
Claims
Oct 12, 2018
Claims
Oct 12, 2018
Non-patent literature cited during the opposition procedure
Oct 12, 2018
Non-patent literature cited during the opposition procedure
Oct 12, 2018
Reply of the patent proprietor to the notice(s) of opposition
Oct 12, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jun 14, 2018
Communication of a notice of opposition and request to file observations
Jun 14, 2018
Notice of further oppositions to opponent(s)
Jun 4, 2018
Communication of a notice of opposition - first information to patent proprietor
May 28, 2018
(Electronic) Receipt
May 28, 2018
Citation in opposition procedure - 001
May 28, 2018
Citation in opposition procedure - 002
May 28, 2018
Citation in opposition procedure - 003
May 28, 2018
Citation in opposition procedure - 004
May 28, 2018
Citation in opposition procedure - 005
May 28, 2018
Citation in opposition procedure - 006
May 28, 2018
Notice of opposition
May 28, 2018
Notice of opposition
Mar 13, 2018
Communication to designated inventor
Mar 12, 2018
Communication of the registration of a transfer or change of name and/or address
Mar 12, 2018
Communication of the registration of a transfer or change of name and/or address
Feb 15, 2018
(Electronic) Receipt
Feb 15, 2018
Annexes in respect of a client data request
Feb 15, 2018
Submission concerning a transfer of rights (applicant)
Nov 3, 2017
Refund of fees
Oct 13, 2017
Payment of fees and costs
Oct 13, 2017
Payment of fees and costs
Sep 1, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 3, 2017
Decision to grant a European patent
Jul 24, 2017
Filing of the translations of the claims
Jul 24, 2017
French translation of claims
Jul 24, 2017
German translation of the claims
Jul 24, 2017
Payment of fees and costs
Jul 21, 2017
Filing of the translations of the claims
Jul 21, 2017
French translation of claims
Jul 21, 2017
German translation of the claims
Jul 21, 2017
Payment of fees and costs
Jul 21, 2017
Payment of fees and costs
May 11, 2017
Bibliographic data of the European patent application
May 11, 2017
Communication about intention to grant a European patent
May 11, 2017
Intention to grant (signatures)
May 11, 2017
Text intended for grant (clean copy)
May 11, 2017
Text intended for grant (version for approval)
Feb 27, 2017
Amended claims with annotations
Feb 27, 2017
Amended description with annotations
Feb 27, 2017
Claims
Feb 27, 2017
Description
Feb 27, 2017
Reply to communication from the Examining Division
Feb 24, 2017
Amended claims with annotations
Feb 24, 2017
Amended description with annotations
Feb 24, 2017
Claims
Feb 24, 2017
Description
Feb 24, 2017
Reply to communication from the Examining Division
Jan 6, 2017
Letter concerning fees and payments
Jan 6, 2017
Matter concerning the application
Jan 6, 2017
Notice drawing attention to the payment of the renewal fee and additional fee
Jan 6, 2017
Payment of fees and costs
Jan 6, 2017
Payment of fees and costs
Jan 4, 2017
Notice drawing attention to the payment of the renewal fee and additional fee
Nov 24, 2016
Annex to the communication
Nov 24, 2016
Communication from the Examining Division
Nov 18, 2016
Examination started
Nov 4, 2016
Letter concerning fees and payments
Oct 10, 2016
Amended claims filed after receipt of (European) search report
Oct 10, 2016
Amended claims with annotations
Oct 10, 2016
Amended description filed after receipt of (European) search report
Oct 10, 2016
Amended description with annotations
Oct 10, 2016
Amendments received before examination
Oct 7, 2016
Amended claims filed after receipt of (European) search report
Oct 7, 2016
Amended claims with annotations
Oct 7, 2016
Amended description filed after receipt of (European) search report
Oct 7, 2016
Amended description with annotations
Oct 7, 2016
Amendments received before examination
Oct 7, 2016
Cover sheet for fax transmission
May 23, 2016
Maintenance of the application
May 19, 2016
Maintenance of the application
May 11, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 21, 2016
Communication regarding the transmission of the European search report
Apr 21, 2016
Document annexed to the Extended European Search Report
Apr 21, 2016
European search opinion
Apr 21, 2016
Information on Search Strategy
Apr 21, 2016
Supplementary European search report
Mar 14, 2016
Search started
Sep 21, 2015
Letter concerning fees and payments
Sep 21, 2015
Payment of fees and costs
Sep 16, 2015
Letter concerning fees and payments
Sep 16, 2015
Payment of fees and costs
Sep 16, 2015
Payment of fees and costs
Sep 2, 2015
Notification on forthcoming publication of bibliographic data
Jul 1, 2015
Communication regarding possible amendment of the application/payment of claims fee
Jun 11, 2015
(Electronic) Receipt
Jun 11, 2015
Amended claims filed after receipt of (European) search report
Jun 11, 2015
Amended claims with annotations
Jun 11, 2015
Request for entry into the European phase
Jun 8, 2015
Copy of the international preliminary report on patentability
Apr 7, 2015
Information on entry into European phase
Jun 17, 2014
Priority document (electronically transmitted)
May 30, 2014
Copy of the international search report
May 30, 2014
Published international application - A1

EP2923395

DREAMWEAVER

Application Number: EP13857025A
Filing Date: Nov 20, 2013
Status: Revoked; Mar 25, 2022
Publication Date: Aug 30, 2017
External Links: Slate, Register , Google Patents