Multilayer Composite

Patent No. EP3074227 (titled "Multilayer Composite") was filed by Rehau on Nov 26, 2014. The application was issued on Dec 25, 2019.

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
SENOPLAST KLEPSCH	Sep 25, 2020	VON BULOW & TAMADA

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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Oct 2, 2025
Decision of the Board of Appeal
Oct 2, 2025
F3032 Notification(s) of the decision
Oct 2, 2025
F3032 Notification(s) of the decision
Aug 18, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 18, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 18, 2025
F3345 Forwarding of submissions to parties
Aug 12, 2025
(Electronic) Receipt
Aug 12, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Aug 12, 2025
Letter accompanying subsequently filed items
Aug 12, 2025
Letter dealing with oral proceedings during the appeal procedure
Oct 30, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 30, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 18, 2024
F3011.2 Oral Proceedings: Summons VICO
Sep 18, 2024
F3011.2 Oral Proceedings: Summons VICO
Sep 13, 2024
Composition of the board (T)
Sep 13, 2024
F3010 Oral proceedings: order for summons
Jul 15, 2024
F3345 Forwarding of submissions to parties
Jul 10, 2024
(Electronic) Receipt
Jul 10, 2024
Letter accompanying subsequently filed items
Jul 10, 2024
Letter relating to Appeal Procedure
Mar 15, 2024
F3345 Forwarding of submissions to parties
Mar 11, 2024
(Electronic) Receipt
Mar 11, 2024
Amended claims with annotations
Mar 11, 2024
Amended claims with annotations
Mar 11, 2024
Amended claims with annotations
Mar 11, 2024
Amended description with annotations
Mar 11, 2024
Amended description with annotations
Mar 11, 2024
Amended description with annotations
Mar 11, 2024
Annexes filed during the Appeal procedure
Mar 11, 2024
Auxiliary request during appeals procedure - 01
Mar 11, 2024
Auxiliary request during appeals procedure - 02
Mar 11, 2024
Auxiliary request during appeals procedure - 03
Mar 11, 2024
Description
Mar 11, 2024
Description
Mar 11, 2024
Description
Mar 11, 2024
Letter accompanying subsequently filed items
Mar 11, 2024
Reply to appeal
Dec 8, 2023
F3056 Communication: Change of Board due to the technical nature of the appeal
Dec 8, 2023
F3056 Communication: Change of Board due to the technical nature of the appeal
Dec 5, 2023
F3313 Order: change of Board due to the technical aspects of the appeal
Nov 10, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 7, 2023
(Electronic) Receipt
Nov 7, 2023
Annexes (other than cited documents) regarding appeal procedure
Nov 7, 2023
Letter accompanying subsequently filed items
Nov 7, 2023
Non-Patent Literature cited during the appeal procedure
Nov 7, 2023
Statement of grounds of appeal
Sep 13, 2023
F3204 Communication of the file number to the parties
Sep 13, 2023
F3204 Communication of the file number to the parties
Sep 7, 2023
(Electronic) Receipt
Sep 7, 2023
Letter accompanying subsequently filed items
Sep 7, 2023
Notice of appeal
Jun 28, 2023
(Electronic) Receipt
Jun 28, 2023
Advice of delivery
Jun 28, 2023
Letter accompanying subsequently filed items
Jun 27, 2023
Annex to the communication - opposition
Jun 27, 2023
Decision of the Opposition Division and instruction
Jun 27, 2023
Decision rejecting the opposition
Jun 27, 2023
Decision rejecting the opposition
Jun 27, 2023
Grounds for the decision (Annex) - opposition
Jun 27, 2023
Means of redress
Jun 27, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 27, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 27, 2023
Provision of a copy of the minutes - opposition procedure
Jun 27, 2023
Provision of a copy of the minutes - opposition procedure
Jun 27, 2023
Scanned annex to a communication - opposition procedure
Jun 27, 2023
Scanned annex to a communication - opposition procedure
Jun 27, 2023
Scanned annex to a communication - opposition procedure
Jun 27, 2023
Scanned annex to a communication - opposition procedure
Jun 27, 2023
Scanned annex to a communication - opposition procedure
Jun 27, 2023
Transmittal of decision / summons - opposition
Jun 27, 2023
Transmittal of decision / summons - opposition
Jun 1, 2023
Citation in opposition procedure - 028
Jun 1, 2023
Citation in opposition procedure - 028
Jun 1, 2023
Citation in opposition procedure - 028
Jun 1, 2023
Consolidated list of cited opposition documents
Jun 1, 2023
Information about the result of oral proceedings
May 15, 2023
(Electronic) Receipt
May 15, 2023
Result of consultation by telephone/in person
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
Letter accompanying subsequently filed items
Apr 27, 2023
Written submission in preparation to/during oral proceedings
Apr 6, 2023
Brief communication - Opposition proceedings
Apr 6, 2023
Brief communication - Opposition proceedings
Mar 31, 2023
(Electronic) Receipt
Mar 31, 2023
(Electronic) Receipt
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure - 01
Mar 31, 2023
Auxiliary request during Opposition procedure - 01
Mar 31, 2023
Auxiliary request during Opposition procedure - 02
Mar 31, 2023
Auxiliary request during Opposition procedure - 02
Mar 31, 2023
Auxiliary request during Opposition procedure - 03
Mar 31, 2023
Auxiliary request during Opposition procedure - 03
Mar 31, 2023
Citation in opposition procedure - 023
Mar 31, 2023
Citation in opposition procedure - 024
Mar 31, 2023
Citation in opposition procedure - 025
Mar 31, 2023
Citation in opposition procedure - 026
Mar 31, 2023
Citation in opposition procedure - 027
Mar 31, 2023
Consolidated list of cited opposition documents
Mar 31, 2023
Letter accompanying subsequently filed items
Mar 31, 2023
Letter accompanying subsequently filed items
Mar 31, 2023
Written submission in preparation to/during oral proceedings
Mar 31, 2023
Written submission in preparation to/during oral proceedings
Mar 29, 2023
(Electronic) Receipt
Feb 9, 2023
(Electronic) Receipt
Feb 9, 2023
Any annexes (other than citation) to an opposition letter
Feb 9, 2023
Letter accompanying subsequently filed items
Feb 9, 2023
Written submission in preparation to/during oral proceedings
Dec 6, 2022
Notification concerning the date of oral proceedings
Dec 6, 2022
Notification concerning the date of oral proceedings
Aug 11, 2022
Communication of the registration of a transfer or change of name and/or address
Aug 2, 2022
Submission concerning change of proprietor's address
Jun 23, 2022
Brief communication - Opposition proceedings
Jun 19, 2022
(Electronic) Receipt
Jun 19, 2022
Letter accompanying subsequently filed items
Jun 19, 2022
Written submission in preparation to/during oral proceedings
Jun 15, 2022
(Electronic) Receipt
Jun 15, 2022
Advice of delivery
Jun 15, 2022
Letter accompanying subsequently filed items
Jun 10, 2022
Advice of delivery
Jun 9, 2022
Annex to the communication - opposition
Jun 9, 2022
Transmittal of decision / summons - opposition
Jun 9, 2022
Transmittal of decision / summons - opposition
Jun 9, 2022
Transmittal of decision / summons - opposition
May 11, 2022
Communication of the registration of a transfer or change of name and/or address
May 3, 2022
Letter accompanying subsequently filed items
May 3, 2022
Submission concerning a transfer of rights (proprietor)
Apr 25, 2022
Letter accompanying subsequently filed items
Apr 25, 2022
Submission concerning a transfer of rights (proprietor)
Jan 18, 2022
Brief communication - Opposition proceedings
Jan 17, 2022
Communication of amended entries concerning the representative
Jan 17, 2022
Notification concerning the date of oral proceedings
Jan 17, 2022
Notification concerning the date of oral proceedings
Jan 17, 2022
Notification concerning the date of oral proceedings
Jan 11, 2022
Brief communication - Opposition proceedings
Jan 5, 2022
Brief communication - Opposition proceedings
Jan 4, 2022
Brief communication - Opposition proceedings
Dec 30, 2021
(Electronic) Receipt
Dec 30, 2021
Letter accompanying subsequently filed items
Dec 23, 2021
(Electronic) Receipt
Dec 23, 2021
Letter accompanying subsequently filed items
Dec 23, 2021
Request for interpreters during oral proceedings
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Letter accompanying subsequently filed items
Dec 22, 2021
Letter accompanying subsequently filed items
Dec 22, 2021
Request for interpreters during oral proceedings
Dec 22, 2021
Written submission in preparation to/during oral proceedings
Dec 21, 2021
(Electronic) Receipt
Dec 21, 2021
Letter accompanying subsequently filed items
Dec 21, 2021
Request for interpreters during oral proceedings
Dec 15, 2021
Notification concerning the date of oral proceedings
Dec 15, 2021
Notification concerning the date of oral proceedings
Sep 10, 2021
Brief communication - Opposition proceedings
Sep 10, 2021
Brief communication - Opposition proceedings
Jun 25, 2021
Advice of delivery
Jun 14, 2021
Advice of delivery
Jun 11, 2021
Annex to the communication - opposition
Jun 11, 2021
Information concerning oral proceedings
Jun 11, 2021
Summons to attend oral proceedings
Jun 11, 2021
Summons to attend oral proceedings
Jun 11, 2021
Transmittal of decision / summons - opposition
Jun 11, 2021
Transmittal of decision / summons - opposition
Feb 25, 2021
Brief communication - Opposition proceedings
Feb 22, 2021
(Electronic) Receipt
Feb 22, 2021
Auxiliary request during Opposition procedure
Feb 22, 2021
Auxiliary request during Opposition procedure
Feb 22, 2021
Auxiliary request during Opposition procedure - 01
Feb 22, 2021
Auxiliary request during Opposition procedure - 02
Feb 22, 2021
Letter accompanying subsequently filed items
Feb 22, 2021
Reply of the patent proprietor to the notice(s) of opposition
Oct 26, 2020
Communication of the registration of a transfer or change of name and/or address
Oct 20, 2020
Submission concerning change of proprietor's name
Oct 15, 2020
Submission concerning change of proprietor's name
Oct 12, 2020
Communication of a notice of opposition and request to file observations
Oct 12, 2020
Notice of further oppositions to opponent(s)
Oct 1, 2020
Communication of a notice of opposition - first information to patent proprietor
Sep 25, 2020
(Electronic) Receipt
Sep 25, 2020
Citation in opposition procedure - 001
Sep 25, 2020
Citation in opposition procedure - 002
Sep 25, 2020
Citation in opposition procedure - 003
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 004
Sep 25, 2020
Citation in opposition procedure - 005
Sep 25, 2020
Citation in opposition procedure - 006
Sep 25, 2020
Citation in opposition procedure - 007
Sep 25, 2020
Citation in opposition procedure - 008
Sep 25, 2020
Citation in opposition procedure - 009
Sep 25, 2020
Citation in opposition procedure - 010
Sep 25, 2020
Citation in opposition procedure - 011
Sep 25, 2020
Citation in opposition procedure - 012
Sep 25, 2020
Citation in opposition procedure - 013
Sep 25, 2020
Citation in opposition procedure - 014
Sep 25, 2020
Citation in opposition procedure - 015
Sep 25, 2020
Citation in opposition procedure - 016
Sep 25, 2020
Citation in opposition procedure - 017
Sep 25, 2020
Citation in opposition procedure - 018
Sep 25, 2020
Citation in opposition procedure - 019
Sep 25, 2020
Citation in opposition procedure - 020
Sep 25, 2020
Citation in opposition procedure - 021
Sep 25, 2020
Citation in opposition procedure - 022
Sep 25, 2020
Notice of opposition
Sep 25, 2020
Notice of opposition
Jan 3, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 28, 2019
Decision to grant a European patent
Oct 9, 2019
(Electronic) Receipt
Oct 9, 2019
English translation of the claims
Oct 9, 2019
French translation of claims
Oct 9, 2019
Letter accompanying subsequently filed items
Jul 9, 2019
Bibliographic data of the European patent application
Jul 9, 2019
Communication about intention to grant a European patent
Jul 9, 2019
Intention to grant (signatures)
Jul 9, 2019
Text intended for grant (clean copy)
Jul 9, 2019
Text intended for grant (version for approval)
Sep 29, 2017
(Electronic) Receipt
Sep 29, 2017
Letter accompanying subsequently filed items
Sep 29, 2017
Reply to communication from the Examining Division
Aug 2, 2017
Grant of extension of time limit (examination procedure)
Aug 2, 2017
Request for extension of time limit to communication from the Examining Division
Jul 28, 2017
Request for extension of time limit to communication from the Examining Division
Mar 24, 2017
Annex to the communication
Mar 24, 2017
Communication from the Examining Division
Mar 3, 2017
(Electronic) Receipt
Mar 3, 2017
Letter accompanying subsequently filed items
Mar 3, 2017
Priority search results
Feb 22, 2017
Invitation to file a copy of search results(priority)
Jan 24, 2017
Transmittal of third party observations to applicant
Jan 16, 2017
Non-patent literature filed by a third party
Jan 16, 2017
Observations by third parties
Jan 9, 2017
(Electronic) Receipt
Jan 9, 2017
Amended description filed after receipt of (European) search report
Jan 9, 2017
Amendments received before examination
Jan 9, 2017
Letter accompanying subsequently filed items
Sep 7, 2016
Notification on forthcoming publication of bibliographic data
Jul 6, 2016
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jul 4, 2016
Communication to designated inventor
Jul 4, 2016
Communication to designated inventor
Jul 4, 2016
Communication to designated inventor
Jun 14, 2016
Copy of the international preliminary report on patentability
Mar 9, 2016
(Electronic) Receipt
Mar 9, 2016
Priority search results
Mar 9, 2016
Request for entry into the European phase
Jun 23, 2015
Priority document (electronically transmitted)
Jun 4, 2015
Copy of the international search report
Jun 4, 2015
Published international application - A1
Jan 27, 2015
Written opinion of the ISA, boxes No. I to VIII
Jan 27, 2015
Written opinion of the ISA, cover sheet
Jan 27, 2015
Written opinion of the ISA, supplemental box
Nov 26, 2014
Abstract
Nov 26, 2014
Claims
Nov 26, 2014
Description
Nov 26, 2014
Drawings
Nov 26, 2014
Payment of fees and costs

EP3074227

REHAU

Application Number: EP14808837A
Filing Date: Nov 26, 2014
Status: Opposition Rejected; Oct 3, 2025
Publication Date: Dec 25, 2019
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3074227