Interlayer Film With Shade Band

Patent No. EP3401092 (titled "Interlayer Film With Shade Band") was filed by Kuraray Europe on Apr 29, 2018. The application was issued on Mar 3, 2021.

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
SEKISUI CHEMICAL	Dec 3, 2021	TER MEER STEINMEISTER & PARTNER

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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Nov 10, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Nov 10, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 28, 2023
Annex to the communication - opposition
Aug 28, 2023
Brief communication - Opposition proceedings
Aug 28, 2023
Brief communication - Opposition proceedings
Aug 28, 2023
Decision of the Opposition Division and instruction
Jul 28, 2023
Advice of delivery
Jul 27, 2023
Annex to the communication - opposition
Jul 27, 2023
Decision rejecting the opposition
Jul 27, 2023
Decision rejecting the opposition
Jul 27, 2023
Decision rejecting the opposition
Jul 27, 2023
Decision rejecting the opposition
Jul 27, 2023
Grounds for the decision (Annex) - opposition
Jul 27, 2023
Means of redress
Jul 27, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 27, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 27, 2023
Provision of a copy of the minutes - opposition procedure
Jul 27, 2023
Provision of a copy of the minutes - opposition procedure
Jul 27, 2023
Scanned annex to a communication - opposition procedure
Jul 27, 2023
Transmittal of decision / summons - opposition
Jul 27, 2023
Transmittal of decision / summons - opposition
Jul 12, 2023
Information about the result of oral proceedings
Jun 22, 2023
Brief communication - Opposition proceedings
Jun 19, 2023
(Electronic) Receipt
Jun 19, 2023
Auxiliary request during Opposition procedure
Jun 19, 2023
Auxiliary request during Opposition procedure
Jun 19, 2023
Auxiliary request during Opposition procedure
Jun 19, 2023
Auxiliary request during Opposition procedure
Jun 19, 2023
Auxiliary request during Opposition procedure
Jun 19, 2023
Auxiliary request during Opposition procedure - 04
Jun 19, 2023
Auxiliary request during Opposition procedure - 05
Jun 19, 2023
Auxiliary request during Opposition procedure - 06
Jun 19, 2023
Auxiliary request during Opposition procedure - 07
Jun 19, 2023
Auxiliary request during Opposition procedure - 08
Jun 19, 2023
Letter accompanying subsequently filed items
Jun 19, 2023
Written submission in preparation to/during oral proceedings
May 25, 2023
Brief communication - Opposition proceedings
May 22, 2023
(Electronic) Receipt
May 22, 2023
Letter accompanying subsequently filed items
May 16, 2023
Brief communication - Opposition proceedings
May 15, 2023
Brief communication - Opposition proceedings
May 11, 2023
(Electronic) Receipt
May 11, 2023
Citation in opposition procedure - 020
May 11, 2023
Citation in opposition procedure - 021
May 11, 2023
Citation in opposition procedure - 022
May 11, 2023
Citation in opposition procedure - 023
May 11, 2023
Citation in opposition procedure - 024
May 11, 2023
Citation in opposition procedure - 025
May 11, 2023
Citation in opposition procedure - 026
May 11, 2023
Citation in opposition procedure - 027
May 11, 2023
Citation in opposition procedure - 027
May 11, 2023
Consolidated list of cited opposition documents
May 11, 2023
Letter accompanying subsequently filed items
May 11, 2023
Written submission in preparation to/during oral proceedings
May 10, 2023
(Electronic) Receipt
May 10, 2023
Letter accompanying subsequently filed items
May 10, 2023
Request for interpreters during oral proceedings
Dec 6, 2022
Notification concerning the date of oral proceedings
Dec 6, 2022
Notification concerning the date of oral proceedings
Nov 10, 2022
Advice of delivery
Nov 7, 2022
Brief communication - Opposition proceedings
Sep 29, 2022
Advice of delivery
Sep 26, 2022
Annex to the communication - opposition
Sep 26, 2022
Information concerning oral proceedings
Sep 26, 2022
Scanned annex to a communication - opposition procedure
Sep 26, 2022
Summons to attend oral proceedings
Sep 26, 2022
Summons to attend oral proceedings
Sep 26, 2022
Transmittal of decision / summons - opposition
Sep 26, 2022
Transmittal of decision / summons - opposition
May 3, 2022
Brief communication - Opposition proceedings
Apr 27, 2022
(Electronic) Receipt
Apr 27, 2022
Auxiliary request during Opposition procedure
Apr 27, 2022
Auxiliary request during Opposition procedure
Apr 27, 2022
Auxiliary request during Opposition procedure
Apr 27, 2022
Auxiliary request during Opposition procedure - 01
Apr 27, 2022
Auxiliary request during Opposition procedure - 02
Apr 27, 2022
Auxiliary request during Opposition procedure - 03
Apr 27, 2022
Letter accompanying subsequently filed items
Apr 27, 2022
Reply of the patent proprietor to the notice(s) of opposition
Apr 26, 2022
Brief communication - Opposition proceedings
Apr 26, 2022
Communication concerning the filing of a power of attorney
Apr 26, 2022
Communication of amended entries concerning the representative
Apr 20, 2022
(Electronic) Receipt
Apr 20, 2022
Authorisation
Apr 20, 2022
Letter accompanying subsequently filed items (CDR)
Apr 20, 2022
Submission concerning change of proprietor's representative
Dec 17, 2021
Communication of a notice of opposition and request to file observations
Dec 17, 2021
Notice of further oppositions to opponent(s)
Dec 9, 2021
Communication of a notice of opposition - first information to patent proprietor
Dec 3, 2021
(Electronic) Receipt
Dec 3, 2021
Citation in opposition procedure - 001
Dec 3, 2021
Citation in opposition procedure - 002
Dec 3, 2021
Citation in opposition procedure - 003
Dec 3, 2021
Citation in opposition procedure - 004
Dec 3, 2021
Citation in opposition procedure - 005
Dec 3, 2021
Citation in opposition procedure - 006
Dec 3, 2021
Citation in opposition procedure - 007
Dec 3, 2021
Citation in opposition procedure - 008
Dec 3, 2021
Citation in opposition procedure - 008
Dec 3, 2021
Citation in opposition procedure - 009
Dec 3, 2021
Citation in opposition procedure - 010
Dec 3, 2021
Citation in opposition procedure - 011
Dec 3, 2021
Citation in opposition procedure - 012
Dec 3, 2021
Citation in opposition procedure - 013
Dec 3, 2021
Citation in opposition procedure - 014
Dec 3, 2021
Citation in opposition procedure - 015
Dec 3, 2021
Citation in opposition procedure - 016
Dec 3, 2021
Citation in opposition procedure - 017
Dec 3, 2021
Citation in opposition procedure - 018
Dec 3, 2021
Citation in opposition procedure - 019
Dec 3, 2021
Notice of opposition
Dec 3, 2021
Notice of opposition
Mar 15, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 4, 2021
Decision to grant a European patent
Jan 21, 2021
(Electronic) Receipt
Jan 21, 2021
Filing of the translations of the claims
Jan 21, 2021
French translation of claims
Jan 21, 2021
German translation of the claims
Jan 21, 2021
Letter accompanying subsequently filed items
Jan 12, 2021
Bibliographic data of the European patent application
Jan 12, 2021
Communication about intention to grant a European patent
Jan 12, 2021
Intention to grant (signatures)
Jan 12, 2021
Text intended for grant (clean copy)
Jan 12, 2021
Text intended for grant (version for approval)
Sep 3, 2020
(Electronic) Receipt
Sep 3, 2020
Letter accompanying subsequently filed items
Sep 3, 2020
Reply to communication from the Examining Division
Jun 15, 2020
Annex to the communication
Jun 15, 2020
Communication from the Examining Division
Jun 9, 2020
Examination started
Mar 18, 2020
Acknowledgement of receipt of third party observations
Mar 18, 2020
Transmittal of third party observations to applicant
Mar 12, 2020
(Electronic) Receipt
Mar 12, 2020
Citation filed by a third party
Mar 12, 2020
Citation filed by a third party
Mar 12, 2020
Citation filed by a third party
Mar 12, 2020
Citation filed by a third party
Mar 12, 2020
Citation filed by a third party
Mar 12, 2020
Letter accompanying subsequently filed items
Mar 12, 2020
Observations by third parties
Jan 22, 2020
Miscellaneous requests concerning client data
Oct 14, 2019
Request concerning the applicant/representative
Apr 30, 2019
(Electronic) Receipt
Apr 30, 2019
Letter accompanying subsequently filed items
Apr 30, 2019
Reply to Written Opinion prepared by the EPO
Nov 19, 2018
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Oct 17, 2018
Notification of forthcoming publication
Aug 1, 2018
Refund of fees
Jul 25, 2018
Communication regarding the transmission of the European search report
Jul 25, 2018
European search opinion
Jul 25, 2018
European search report
Jul 25, 2018
Information on Search Strategy
Jul 20, 2018
Priority search results copy provided by EPO
Jul 18, 2018
Search started
Jul 4, 2018
Confirmation of receipt of (electronically) transmitted priority document
Jun 29, 2018
Priority document (electronically transmitted)
Jun 22, 2018
Communication to designated inventor
Jun 22, 2018
Communication to designated inventor
Apr 29, 2018
Abstract
Apr 29, 2018
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 29, 2018
Claims
Apr 29, 2018
Description
Apr 29, 2018
Designation of inventor
Apr 29, 2018
Drawings
Apr 29, 2018
Request for grant of a European patent

EP3401092

KURARAY EUROPE

Application Number: EP18169995A
Filing Date: Apr 29, 2018
Status: Opposition Rejected; Nov 10, 2023
Publication Date: Mar 3, 2021
External Links: Slate, Register , Google Patents

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Interlayer Film With Shade Band

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Dossier Documents

EP3401092