Multilayer Film For Deep Drawing And Method For Producing Same

Patent No. EP3348491 (titled "Multilayer Film For Deep Drawing And Method For Producing Same") was filed by Kureha on Sep 6, 2016. The application was issued on Dec 30, 2020.

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
ISARPATENT PATENT UND RECHTSANWALTE BARTH CHARLES HASSA PECKMANN UND PARTNER MBB	Sep 30, 2021	ISARPATENT

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 28, 2025
Decision of the Board of Appeal
Feb 28, 2025
F3032 Notification(s) of the decision
Feb 28, 2025
F3032 Notification(s) of the decision
Feb 27, 2025
Composition of the board (T)
Dec 7, 2023
F3056 Communication: Change of Board due to the technical nature of the appeal
Dec 7, 2023
F3056 Communication: Change of Board due to the technical nature of the appeal
Dec 4, 2023
F3313 Order: change of Board due to the technical aspects of the appeal
Sep 21, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 18, 2023
(Electronic) Receipt
Sep 18, 2023
Letter accompanying subsequently filed items
Sep 18, 2023
Statement of grounds of appeal
Jul 24, 2023
F3204 Communication of the file number to the parties
Jul 24, 2023
F3204 Communication of the file number to the parties
Jul 18, 2023
(Electronic) Receipt
Jul 18, 2023
Letter accompanying subsequently filed items
Jul 18, 2023
Notice of appeal
May 10, 2023
Advice of delivery
May 8, 2023
Annex to the communication - opposition
May 8, 2023
Decision rejecting the opposition
May 8, 2023
Decision rejecting the opposition
May 8, 2023
Grounds for the decision (Annex) - opposition
May 8, 2023
Means of redress
May 8, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 8, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 8, 2023
Provision of a copy of the minutes - opposition procedure
May 8, 2023
Provision of a copy of the minutes - opposition procedure
May 8, 2023
Scanned annex to a communication - opposition procedure
May 8, 2023
Transmittal of decision / summons - opposition
May 8, 2023
Transmittal of decision / summons - opposition
May 3, 2023
Decision of the Opposition Division and instruction
Apr 13, 2023
Information about the result of oral proceedings
Apr 12, 2023
Brief communication - Opposition proceedings
Apr 5, 2023
(Electronic) Receipt
Apr 5, 2023
Letter accompanying subsequently filed items
Apr 5, 2023
Written submission in preparation to/during oral proceedings
Feb 16, 2023
Brief communication - Opposition proceedings
Feb 13, 2023
(Electronic) Receipt
Feb 13, 2023
(Electronic) Receipt
Feb 13, 2023
Citation in opposition procedure - 016
Feb 13, 2023
Citation in opposition procedure - 017
Feb 13, 2023
Consolidated list of cited opposition documents
Feb 13, 2023
Letter accompanying subsequently filed items
Feb 13, 2023
Written submission in preparation to/during oral proceedings
Dec 2, 2022
Notification concerning the date of oral proceedings
Dec 2, 2022
Notification concerning the date of oral proceedings
May 30, 2022
Advice of delivery
May 30, 2022
Annex to the communication - opposition
May 30, 2022
Information concerning oral proceedings
May 30, 2022
Scanned annex to a communication - opposition procedure
May 30, 2022
Summons to attend oral proceedings
May 30, 2022
Summons to attend oral proceedings
May 30, 2022
Transmittal of decision / summons - opposition
May 30, 2022
Transmittal of decision / summons - opposition
Feb 16, 2022
Brief communication - Opposition proceedings
Feb 8, 2022
(Electronic) Receipt
Feb 8, 2022
Auxiliary request during Opposition procedure
Feb 8, 2022
Auxiliary request during Opposition procedure
Feb 8, 2022
Auxiliary request during Opposition procedure - 01
Feb 8, 2022
Auxiliary request during Opposition procedure - 02
Feb 8, 2022
Citation in opposition procedure - 011
Feb 8, 2022
Citation in opposition procedure - 012
Feb 8, 2022
Citation in opposition procedure - 013
Feb 8, 2022
Citation in opposition procedure - 014
Feb 8, 2022
Citation in opposition procedure - 015
Feb 8, 2022
Letter accompanying subsequently filed items
Feb 8, 2022
Reply of the patent proprietor to the notice(s) of opposition
Dec 20, 2021
Brief communication - Opposition proceedings
Dec 20, 2021
Communication concerning the filing of a power of attorney
Dec 20, 2021
Communication of amended entries concerning the representative
Dec 14, 2021
(Electronic) Receipt
Dec 14, 2021
Authorisation
Dec 14, 2021
Letter accompanying subsequently filed items (CDR)
Dec 14, 2021
Submission concerning change of proprietor's representative
Dec 14, 2021
Submission concerning representation
Oct 14, 2021
Communication of a notice of opposition and request to file observations
Oct 14, 2021
Notice of further oppositions to opponent(s)
Oct 6, 2021
Communication of a notice of opposition - first information to patent proprietor
Sep 30, 2021
(Electronic) Receipt
Sep 30, 2021
Citation in opposition procedure - 001
Sep 30, 2021
Citation in opposition procedure - 002
Sep 30, 2021
Citation in opposition procedure - 002
Sep 30, 2021
Citation in opposition procedure - 003
Sep 30, 2021
Citation in opposition procedure - 004
Sep 30, 2021
Citation in opposition procedure - 005
Sep 30, 2021
Citation in opposition procedure - 006
Sep 30, 2021
Citation in opposition procedure - 007
Sep 30, 2021
Citation in opposition procedure - 008
Sep 30, 2021
Citation in opposition procedure - 009
Sep 30, 2021
Citation in opposition procedure - 010
Sep 30, 2021
Consolidated list of cited opposition documents
Sep 30, 2021
Notice of opposition
Sep 30, 2021
Notice of opposition
Jan 18, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 3, 2020
Decision to grant a European patent
Nov 26, 2020
Communication concerning the filing of a power of attorney
Nov 26, 2020
Communication of amended entries concerning the representative
Nov 20, 2020
(Electronic) Receipt
Nov 20, 2020
French translation of claims
Nov 20, 2020
German translation of the claims
Nov 20, 2020
Letter accompanying subsequently filed items
Nov 20, 2020
Submission concerning change of applicant's representative
Jul 31, 2020
Bibliographic data of the European patent application
Jul 31, 2020
Communication about intention to grant a European patent
Jul 31, 2020
Intention to grant (signatures)
Jul 31, 2020
Text intended for grant (clean copy)
Jul 31, 2020
Text intended for grant (version for approval)
Mar 18, 2020
Examination started
Nov 12, 2018
(Electronic) Receipt
Nov 12, 2018
Amended claims filed after receipt of (European) search report
Nov 12, 2018
Amended claims with annotations
Nov 12, 2018
Amended description filed after receipt of (European) search report
Nov 12, 2018
Amended description with annotations
Nov 12, 2018
Amendments received before examination
Nov 12, 2018
Letter accompanying subsequently filed items
Nov 12, 2018
Maintenance of the application
Jul 27, 2018
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 11, 2018
Communication regarding the transmission of the European search report
Jul 11, 2018
European search opinion
Jul 11, 2018
Information on Search Strategy
Jul 11, 2018
Supplementary European search report
Jun 20, 2018
Notification of forthcoming publication
Jun 12, 2018
Search started
Apr 13, 2018
Communication to designated inventor
Apr 13, 2018
Communication to designated inventor
Apr 5, 2018
Letter which had not been notified
Mar 27, 2018
Copy of the international preliminary report on patentability
Mar 27, 2018
Translation of the international preliminary report on patentability
Mar 8, 2018
(Electronic) Receipt
Mar 8, 2018
Letter accompanying subsequently filed items
Mar 8, 2018
Submission concerning representation
Mar 7, 2018
Communication confirming withdrawal from representation
Mar 7, 2018
Communication of amended entries concerning the representative
Mar 2, 2018
Submission concerning change of applicant's representative
Mar 1, 2018
(Electronic) Receipt
Mar 1, 2018
Abstract
Mar 1, 2018
Amended claims filed after receipt of (European) search report
Mar 1, 2018
Amended claims with annotations
Mar 1, 2018
Claims
Mar 1, 2018
Description
Mar 1, 2018
Request for entry into the European phase
Jan 19, 2018
Information on entry into European phase
Apr 3, 2017
Priority document (electronically transmitted)
Mar 16, 2017
Copy of the international search report
Mar 16, 2017
Copy of the translated international search report
Mar 16, 2017
International publication pamphlet

EP3348491

KUREHA

Application Number: EP16844337A
Filing Date: Sep 6, 2016
Status: Revoked; Mar 14, 2025
Publication Date: Dec 30, 2020
External Links: Slate, EP3348491B1, Google Patents

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Multilayer Film For Deep Drawing And Method For Producing Same

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Dossier Documents

EP3348491