Multilayer Composite Body

Patent No. EP3074226 (titled "Multilayer Composite Body") was filed by Rehau on Nov 26, 2014. The application was issued on Sep 23, 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
SENOPLAST KLEPSCH	Jun 23, 2021	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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Feb 2, 2026
(Electronic) Receipt
Feb 2, 2026
F3345 Forwarding of submissions to parties
Feb 2, 2026
Letter accompanying subsequently filed items
Feb 2, 2026
Letter dealing with oral proceedings during the appeal procedure
Jan 30, 2026
(Electronic) Receipt
Jan 30, 2026
Letter accompanying subsequently filed items
Jan 30, 2026
Letter dealing with oral proceedings during the appeal procedure
Dec 12, 2025
F3345 Forwarding of submissions to parties
Dec 9, 2025
(Electronic) Receipt
Dec 9, 2025
Citation in appeal procedure - 001
Dec 9, 2025
Citation in appeal procedure - 002
Dec 9, 2025
Citation in appeal procedure - 003
Dec 9, 2025
Citation in appeal procedure - 004
Dec 9, 2025
Citation in appeal procedure - 005
Dec 9, 2025
Citation in appeal procedure - 006
Dec 9, 2025
Letter accompanying subsequently filed items
Dec 9, 2025
Letter dealing with oral proceedings during the appeal procedure
Nov 6, 2025
F3345 Forwarding of submissions to parties
Nov 3, 2025
(Electronic) Receipt
Nov 3, 2025
Letter accompanying subsequently filed items
Nov 3, 2025
Letter dealing with oral proceedings during the appeal procedure
Oct 2, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 2, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 28, 2025
Composition of the board (T)
May 28, 2025
F3011.2 Oral Proceedings: Summons VICO
May 28, 2025
F3011.2 Oral Proceedings: Summons VICO
May 23, 2025
F3010 Oral proceedings: order for summons
Sep 10, 2024
F3345 Forwarding of submissions to parties
Sep 5, 2024
(Electronic) Receipt
Sep 5, 2024
Amended claims with annotations
Sep 5, 2024
Auxiliary request during appeals procedure - 05
Sep 5, 2024
Letter accompanying subsequently filed items
Sep 5, 2024
Reply to appeal
May 8, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 3, 2024
(Electronic) Receipt
May 3, 2024
Letter accompanying subsequently filed items
May 3, 2024
Statement of grounds of appeal
Feb 27, 2024
F3204 Communication of the file number to the parties
Feb 27, 2024
F3204 Communication of the file number to the parties
Feb 26, 2024
(Electronic) Receipt
Feb 26, 2024
Letter accompanying subsequently filed items
Feb 22, 2024
(Electronic) Receipt
Feb 22, 2024
Letter accompanying subsequently filed items
Feb 22, 2024
Notice of appeal
Jan 4, 2024
(Electronic) Receipt
Jan 4, 2024
Advice of delivery
Jan 4, 2024
Letter accompanying subsequently filed items
Jan 3, 2024
Annex to the communication - opposition
Jan 3, 2024
Decision of the Opposition Division and instruction
Jan 3, 2024
Decision rejecting the opposition
Jan 3, 2024
Decision rejecting the opposition
Jan 3, 2024
Grounds for the decision (Annex) - opposition
Jan 3, 2024
Means of redress
Jan 3, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 3, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 3, 2024
Provision of a copy of the minutes - opposition procedure
Jan 3, 2024
Provision of a copy of the minutes - opposition procedure
Jan 3, 2024
Scanned annex to a communication - opposition procedure
Jan 3, 2024
Scanned annex to a communication - opposition procedure
Jan 3, 2024
Transmittal of decision / summons - opposition
Jan 3, 2024
Transmittal of decision / summons - opposition
Nov 21, 2023
Information about the result of oral proceedings
Sep 28, 2023
Brief communication - Opposition proceedings
Sep 27, 2023
Brief communication - Opposition proceedings
Sep 21, 2023
(Electronic) Receipt
Sep 21, 2023
Citation in opposition procedure - 040
Sep 21, 2023
Citation in opposition procedure - 041
Sep 21, 2023
Consolidated list of cited opposition documents
Sep 21, 2023
Letter accompanying subsequently filed items
Sep 21, 2023
Written submission in preparation to/during oral proceedings
Sep 19, 2023
(Electronic) Receipt
Sep 19, 2023
Letter accompanying subsequently filed items
Sep 19, 2023
Request for interpreters during oral proceedings
Jul 12, 2023
Advice of delivery
Jul 11, 2023
Information concerning oral proceedings
Jul 11, 2023
Summons to attend oral proceedings
Jul 11, 2023
Summons to attend oral proceedings
Jul 11, 2023
Transmittal of decision / summons - opposition
Jul 11, 2023
Transmittal of decision / summons - opposition
Jun 9, 2023
Notification concerning the date of oral proceedings
Jun 9, 2023
Notification concerning the date of oral proceedings
Jun 1, 2023
Brief communication - Opposition proceedings
Apr 25, 2023
Brief communication - Opposition proceedings
Apr 25, 2023
Brief communication - Opposition proceedings
Apr 20, 2023
(Electronic) Receipt
Apr 20, 2023
(Electronic) Receipt
Apr 20, 2023
Any annexes (other than citation) to an opposition letter
Apr 20, 2023
Any annexes (other than citation) to an opposition letter
Apr 20, 2023
Any annexes (other than citation) to an opposition letter
Apr 20, 2023
Citation in opposition procedure - 038
Apr 20, 2023
Citation in opposition procedure - 039
Apr 20, 2023
Letter accompanying subsequently filed items
Apr 20, 2023
Letter accompanying subsequently filed items
Apr 20, 2023
Oral proceedings: Request for postponement
Apr 20, 2023
Written submission in preparation to/during oral proceedings
Apr 19, 2023
(Electronic) Receipt
Apr 19, 2023
Letter accompanying subsequently filed items
Apr 19, 2023
Request for interpreters during oral proceedings
Apr 18, 2023
Brief communication - Opposition proceedings
Apr 13, 2023
(Electronic) Receipt
Apr 13, 2023
Letter accompanying subsequently filed items
Apr 13, 2023
Request for interpreters during oral proceedings
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
Advice of delivery
Jan 23, 2023
Letter accompanying subsequently filed items
Jan 20, 2023
Information concerning oral proceedings
Jan 20, 2023
Summons to attend oral proceedings
Jan 20, 2023
Summons to attend oral proceedings
Jan 20, 2023
Transmittal of decision / summons - opposition
Jan 20, 2023
Transmittal of decision / summons - opposition
Jan 12, 2023
Notification concerning the date of oral proceedings
Jan 12, 2023
Notification concerning the date of oral proceedings
Jan 8, 2023
(Electronic) Receipt
Dec 5, 2022
(Electronic) Receipt
Dec 1, 2022
Notification concerning the date of oral proceedings
Nov 30, 2022
Notification concerning the date of oral proceedings
Nov 29, 2022
Communication of amended entries concerning the representative
Nov 23, 2022
Brief communication - Opposition proceedings
Nov 23, 2022
Brief communication - Opposition proceedings
Nov 18, 2022
(Electronic) Receipt
Nov 18, 2022
(Electronic) Receipt
Nov 18, 2022
Citation in opposition procedure - 033
Nov 18, 2022
Citation in opposition procedure - 034
Nov 18, 2022
Citation in opposition procedure - 035
Nov 18, 2022
Citation in opposition procedure - 036
Nov 18, 2022
Citation in opposition procedure - 037
Nov 18, 2022
Letter accompanying subsequently filed items
Nov 18, 2022
Letter accompanying subsequently filed items
Nov 18, 2022
Written submission in preparation to/during oral proceedings
Nov 18, 2022
Written submission in preparation to/during oral proceedings
Aug 17, 2022
Advice of delivery
Aug 17, 2022
Communication about missing advice of delivery
Aug 11, 2022
Communication of the registration of a transfer or change of name and/or address
Aug 2, 2022
Submission concerning change of applicant's address
Jul 8, 2022
(Electronic) Receipt
Jul 8, 2022
Advice of delivery
Jul 8, 2022
Letter accompanying subsequently filed items
Jul 7, 2022
Annex to the communication - opposition
Jul 7, 2022
Information concerning oral proceedings
Jul 7, 2022
Scanned annex to a communication - opposition procedure
Jul 7, 2022
Summons to attend oral proceedings
Jul 7, 2022
Summons to attend oral proceedings
Jul 7, 2022
Transmittal of decision / summons - opposition
Jul 7, 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 (applicant)
Apr 25, 2022
Letter accompanying subsequently filed items
Apr 25, 2022
Submission concerning a transfer of rights (applicant)
Nov 22, 2021
Brief communication - Opposition proceedings
Nov 17, 2021
(Electronic) Receipt
Nov 17, 2021
Auxiliary request during Opposition procedure
Nov 17, 2021
Auxiliary request during Opposition procedure
Nov 17, 2021
Auxiliary request during Opposition procedure
Nov 17, 2021
Auxiliary request during Opposition procedure
Nov 17, 2021
Auxiliary request during Opposition procedure - 01
Nov 17, 2021
Auxiliary request during Opposition procedure - 02
Nov 17, 2021
Auxiliary request during Opposition procedure - 03
Nov 17, 2021
Auxiliary request during Opposition procedure - 04
Nov 17, 2021
Letter accompanying subsequently filed items
Nov 17, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jul 7, 2021
Communication of a notice of opposition and request to file observations
Jul 7, 2021
Notice of further oppositions to opponent(s)
Jun 30, 2021
Communication of a notice of opposition - first information to patent proprietor
Jun 23, 2021
(Electronic) Receipt
Jun 23, 2021
Citation in opposition procedure - 001
Jun 23, 2021
Citation in opposition procedure - 002
Jun 23, 2021
Citation in opposition procedure - 005
Jun 23, 2021
Citation in opposition procedure - 006
Jun 23, 2021
Citation in opposition procedure - 007
Jun 23, 2021
Citation in opposition procedure - 008
Jun 23, 2021
Citation in opposition procedure - 009
Jun 23, 2021
Citation in opposition procedure - 009
Jun 23, 2021
Citation in opposition procedure - 009
Jun 23, 2021
Citation in opposition procedure - 009
Jun 23, 2021
Citation in opposition procedure - 009
Jun 23, 2021
Citation in opposition procedure - 009
Jun 23, 2021
Citation in opposition procedure - 010
Jun 23, 2021
Citation in opposition procedure - 011
Jun 23, 2021
Citation in opposition procedure - 012
Jun 23, 2021
Citation in opposition procedure - 013
Jun 23, 2021
Citation in opposition procedure - 014
Jun 23, 2021
Citation in opposition procedure - 015
Jun 23, 2021
Citation in opposition procedure - 016
Jun 23, 2021
Citation in opposition procedure - 017
Jun 23, 2021
Citation in opposition procedure - 018
Jun 23, 2021
Citation in opposition procedure - 019
Jun 23, 2021
Citation in opposition procedure - 020
Jun 23, 2021
Citation in opposition procedure - 021
Jun 23, 2021
Citation in opposition procedure - 022
Jun 23, 2021
Citation in opposition procedure - 023
Jun 23, 2021
Citation in opposition procedure - 024
Jun 23, 2021
Citation in opposition procedure - 025
Jun 23, 2021
Citation in opposition procedure - 026
Jun 23, 2021
Citation in opposition procedure - 027
Jun 23, 2021
Citation in opposition procedure - 028
Jun 23, 2021
Citation in opposition procedure - 029
Jun 23, 2021
Citation in opposition procedure - 030
Jun 23, 2021
Citation in opposition procedure - 031
Jun 23, 2021
Citation in opposition procedure - 032
Jun 23, 2021
Notice of opposition
Jun 23, 2021
Notice 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 applicant's name
Oct 15, 2020
Submission concerning change of applicant's name
Oct 5, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 27, 2020
Decision to grant a European patent
Aug 17, 2020
(Electronic) Receipt
Aug 17, 2020
English translation of the claims
Aug 17, 2020
French translation of claims
Aug 17, 2020
Letter accompanying subsequently filed items
Jun 4, 2020
Bibliographic data of the European patent application
Jun 4, 2020
Communication about intention to grant a European patent
Jun 4, 2020
Intention to grant (signatures)
Jun 4, 2020
Text intended for grant (clean copy)
Jun 4, 2020
Text intended for grant (version for approval)
Mar 17, 2020
(Electronic) Receipt
Mar 17, 2020
Amended description with annotations
Mar 17, 2020
Description
Mar 17, 2020
Letter accompanying subsequently filed items
Mar 17, 2020
Reply to communication from the Examining Division
Mar 3, 2020
Annex to the communication
Mar 3, 2020
Communication from the Examining Division
Nov 20, 2017
(Electronic) Receipt
Nov 20, 2017
Amended claims with annotations
Nov 20, 2017
Claims
Nov 20, 2017
Letter accompanying subsequently filed items
Nov 20, 2017
Reply to communication from the Examining Division
Sep 14, 2017
Grant of extension of time limit (examination procedure)
Sep 11, 2017
(Electronic) Receipt
Sep 11, 2017
Letter accompanying subsequently filed items
Sep 11, 2017
Request for extension of time limit to communication from the Examining Division
May 12, 2017
Annex to the communication
May 12, 2017
Communication from the Examining Division
Apr 24, 2017
Examination started
Apr 12, 2017
Transmittal of third party observations to applicant
Apr 6, 2017
Non-patent literature filed by a third party
Apr 6, 2017
Observations by third parties
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 13, 2017
(Electronic) Receipt
Jan 13, 2017
Amended claims filed after receipt of (European) search report
Jan 13, 2017
Amended claims with annotations
Jan 13, 2017
Amended description filed after receipt of (European) search report
Jan 13, 2017
Amendments received before examination
Jan 13, 2017
Letter accompanying subsequently filed items
Sep 7, 2016
Notification on forthcoming publication of bibliographic data
Jul 6, 2016
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
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 17, 2016
Information regarding early processing
Mar 3, 2016
(Electronic) Receipt
Mar 3, 2016
Priority search results
Mar 3, 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
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

EP3074226

REHAU

Application Number: EP14805491A
Filing Date: Nov 26, 2014
Status: Granted And Under Opposition; Aug 21, 2020
Publication Date: Sep 23, 2020
External Links: Slate, Register , Google Patents

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Multilayer Composite Body

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Dossier Documents

EP3074226