Layered Building Board For Inside And Outside

Patent No. EP3094493 (titled "Layered Building Board For Inside And Outside") was filed by Kronoplus Technical on Jan 14, 2014. The application was issued on Sep 3, 2025.

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
FRITZ EGGER	Jul 11, 2018	COHAUSZ & FLORACK
KLEBCHEMIE MG BECKER	Jul 11, 2018	BUCHEL

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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Aug 7, 2025
Decision to maintain the European patent in amended form
Aug 7, 2025
Decision to maintain the European patent in amended form
Aug 7, 2025
Decision to maintain the European patent in amended form
Jul 29, 2025
(Electronic) Receipt
Jul 29, 2025
English translation of the claims
Jul 29, 2025
Filing of the translation of the amended claims
Jul 29, 2025
French translation of claims
Jul 29, 2025
Letter accompanying subsequently filed items
May 16, 2025
Communication of bibliographic data
May 16, 2025
Communication to opponent concerning maintenance
May 16, 2025
Communication to opponent concerning maintenance
May 16, 2025
Communication with request to file translations
May 12, 2025
Maintenance of the patent with the documents specified in the final decision
Apr 15, 2025
Maintenance of the patent with the documents specified in the final decision
Jan 14, 2025
Brief communication - Opposition proceedings
Jan 14, 2025
Brief communication - Opposition proceedings
Jan 14, 2025
Brief communication - Opposition proceedings
Jan 14, 2025
Decision of the Opposition Division and instruction
Jan 14, 2025
Druckexemplar in opposition procedure
Jan 14, 2025
Grounds for the decision (Annex) - opposition
Jan 14, 2025
Interlocutory decision in opposition proceedings
Jan 14, 2025
Interlocutory decision in opposition proceedings
Jan 14, 2025
Interlocutory decision in opposition proceedings
Jan 14, 2025
Means of redress
Oct 18, 2024
Brief communication - Opposition proceedings
Oct 18, 2024
Brief communication - Opposition proceedings
Oct 15, 2024
(Electronic) Receipt
Oct 15, 2024
Letter accompanying subsequently filed items
Oct 15, 2024
Reply to an examination report in opposition proceedings
Sep 9, 2024
Brief communication - Opposition proceedings
Sep 9, 2024
Brief communication - Opposition proceedings
Sep 4, 2024
(Electronic) Receipt
Sep 4, 2024
Letter accompanying subsequently filed items
Sep 4, 2024
Reply to an examination report in opposition proceedings
Jun 18, 2024
Annex to the communication - opposition
Jun 18, 2024
Brief communication - Opposition proceedings
Jun 18, 2024
Brief communication - Opposition proceedings
Jun 18, 2024
Brief communication - Opposition proceedings
Jun 18, 2024
Communication inviting the parties to file observations
Jun 18, 2024
Communication inviting the parties to file observations
Jun 18, 2024
Communication inviting the parties to file observations
May 14, 2024
Brief communication - Opposition proceedings
May 14, 2024
Brief communication - Opposition proceedings
May 8, 2024
(Electronic) Receipt
May 8, 2024
Amended description with annotations
May 8, 2024
Description
May 8, 2024
Letter accompanying subsequently filed items
May 8, 2024
Reply to an examination report in opposition proceedings
Mar 14, 2024
Annex to the communication - opposition
Mar 14, 2024
Brief communication - Opposition proceedings
Mar 14, 2024
Brief communication - Opposition proceedings
Mar 14, 2024
Brief communication - Opposition proceedings
Mar 14, 2024
Communication inviting the parties to file observations
Mar 14, 2024
Communication inviting the parties to file observations
Mar 14, 2024
Communication inviting the parties to file observations
Feb 13, 2024
Brief communication - Opposition proceedings
Feb 13, 2024
Brief communication - Opposition proceedings
Feb 8, 2024
(Electronic) Receipt
Feb 8, 2024
Letter accompanying subsequently filed items
Feb 8, 2024
Reply to an examination report in opposition proceedings
Feb 5, 2024
Brief communication - Opposition proceedings
Feb 5, 2024
Brief communication - Opposition proceedings
Jan 31, 2024
(Electronic) Receipt
Jan 31, 2024
Letter accompanying subsequently filed items
Jan 31, 2024
Reply to an examination report in opposition proceedings
Dec 11, 2023
Annex to the communication - opposition
Dec 11, 2023
Brief communication - Opposition proceedings
Dec 11, 2023
Brief communication - Opposition proceedings
Dec 11, 2023
Brief communication - Opposition proceedings
Dec 11, 2023
Communication inviting the parties to file observations
Dec 11, 2023
Communication inviting the parties to file observations
Dec 11, 2023
Communication inviting the parties to file observations
Oct 11, 2023
Brief communication - Opposition proceedings
Oct 11, 2023
Brief communication - Opposition proceedings
Oct 6, 2023
(Electronic) Receipt
Oct 6, 2023
Amended description with annotations
Oct 6, 2023
Clean copy of description pages in the opposition procedure
Oct 6, 2023
Letter accompanying subsequently filed items
Oct 6, 2023
Reply to an examination report in opposition proceedings
Aug 1, 2023
Annex to the communication - opposition
Aug 1, 2023
Brief communication - Opposition proceedings
Aug 1, 2023
Brief communication - Opposition proceedings
Aug 1, 2023
Brief communication - Opposition proceedings
Aug 1, 2023
Communication inviting the parties to file observations
Aug 1, 2023
Communication inviting the parties to file observations
Aug 1, 2023
Communication inviting the parties to file observations
Jun 14, 2023
F3936 Acknowledgement of receipt Board of Appeal
Jun 12, 2023
Decision of the Board of Appeal
Jun 12, 2023
F3032 Notification(s) of the decision
Jun 12, 2023
F3032 Notification(s) of the decision
Jun 12, 2023
F3032 Notification(s) of the decision
Mar 17, 2023
F3013 Oral Proceedings: Forwarding minutes
Mar 17, 2023
F3013 Oral Proceedings: Forwarding minutes
Mar 17, 2023
F3013 Oral Proceedings: Forwarding minutes
Mar 17, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 6, 2023
F3345 Forwarding of submissions to parties
Mar 6, 2023
F3345 Forwarding of submissions to parties
Mar 3, 2023
(Electronic) Receipt
Mar 3, 2023
Letter accompanying subsequently filed items
Mar 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 16, 2023
F3345 Forwarding of submissions to parties
Feb 16, 2023
F3345 Forwarding of submissions to parties
Feb 16, 2023
F3345 Forwarding of submissions to parties
Feb 16, 2023
F3345 Forwarding of submissions to parties
Feb 15, 2023
F3345 Forwarding of submissions to parties
Feb 15, 2023
F3345 Forwarding of submissions to parties
Feb 13, 2023
(Electronic) Receipt
Feb 13, 2023
(Electronic) Receipt
Feb 13, 2023
Letter accompanying subsequently filed items
Feb 13, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 13, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 13, 2023
Request for interpreters during oral proceedings
Feb 10, 2023
(Electronic) Receipt
Feb 10, 2023
Letter accompanying subsequently filed items
Feb 10, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 10, 2023
Request for interpreters during oral proceedings
Sep 26, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 26, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 26, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 28, 2022
F3936 Acknowledgement of receipt Board of Appeal
Jul 28, 2022
F3936 Acknowledgement of receipt Board of Appeal
Jul 25, 2022
F3011.1 Oral Proceedings: summons
Jul 25, 2022
F3011.1 Oral Proceedings: summons
Jul 25, 2022
F3011.1 Oral Proceedings: summons
Jul 20, 2022
F3010 Oral proceedings: order for summons
Feb 24, 2022
Composition of the board (T)
Mar 30, 2021
F3345 Forwarding of submissions to parties
Mar 30, 2021
F3345 Forwarding of submissions to parties
Mar 25, 2021
(Electronic) Receipt
Mar 25, 2021
Letter accompanying subsequently filed items
Mar 25, 2021
Letter relating to Appeal Procedure
Feb 26, 2021
F3345 Forwarding of submissions to parties
Feb 26, 2021
F3345 Forwarding of submissions to parties
Feb 23, 2021
(Electronic) Receipt
Feb 23, 2021
Letter accompanying subsequently filed items
Feb 23, 2021
Letter relating to Appeal Procedure
Nov 18, 2020
F3345 Forwarding of submissions to parties
Nov 18, 2020
F3345 Forwarding of submissions to parties
Nov 13, 2020
(Electronic) Receipt
Nov 13, 2020
Amended claims with annotations
Nov 13, 2020
Auxiliary request during appeals procedure - 01
Nov 13, 2020
Auxiliary request during appeals procedure - 02
Nov 13, 2020
Auxiliary request during appeals procedure - 03
Nov 13, 2020
Auxiliary request during appeals procedure - 04
Nov 13, 2020
Auxiliary request during appeals procedure - 05
Nov 13, 2020
Auxiliary request during appeals procedure - 06
Nov 13, 2020
Auxiliary request during appeals procedure - 07
Nov 13, 2020
Auxiliary request during appeals procedure - 08
Nov 13, 2020
Auxiliary request during appeals procedure - 09
Nov 13, 2020
Auxiliary request during appeals procedure - 10
Nov 13, 2020
Auxiliary request during appeals procedure - 11
Nov 13, 2020
Letter accompanying subsequently filed items
Nov 13, 2020
Reply to appeal
Nov 9, 2020
F3345 Forwarding of submissions to parties
Nov 9, 2020
F3345 Forwarding of submissions to parties
Jul 6, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 1, 2020
(Electronic) Receipt
Jul 1, 2020
Annexes (other than cited documents) regarding appeal procedure
Jul 1, 2020
Letter accompanying subsequently filed items
Jul 1, 2020
Statement of grounds of appeal
Jun 30, 2020
(Electronic) Receipt
Jun 30, 2020
Letter accompanying subsequently filed items
Jun 30, 2020
Statement of grounds of appeal
May 7, 2020
F3204 Communication of the file number to the parties
May 7, 2020
F3204 Communication of the file number to the parties
May 7, 2020
F3204 Communication of the file number to the parties
May 6, 2020
F3204 Communication of the file number to the parties
May 6, 2020
F3204 Communication of the file number to the parties
May 6, 2020
F3204 Communication of the file number to the parties
Apr 30, 2020
(Electronic) Receipt
Apr 30, 2020
Letter accompanying subsequently filed items
Apr 30, 2020
Notice of appeal
Apr 28, 2020
(Electronic) Receipt
Apr 28, 2020
Letter accompanying subsequently filed items
Apr 28, 2020
Notice of appeal
Feb 25, 2020
Advice of delivery
Feb 25, 2020
Advice of delivery
Feb 24, 2020
Advice of delivery
Feb 20, 2020
Acknowledgement of a document
Feb 20, 2020
Acknowledgement of a document
Feb 20, 2020
Acknowledgement of a document
Feb 20, 2020
Annex to the communication - opposition
Feb 20, 2020
Decision of the Opposition Division and instruction
Feb 20, 2020
Grounds for the decision (Annex) - opposition
Feb 20, 2020
Interlocutory decision in opposition proceedings
Feb 20, 2020
Internal form - Opposition/addressees
Feb 20, 2020
Internal form - Opposition/addressees
Feb 20, 2020
Means of redress
Feb 20, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 20, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 20, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 20, 2020
OPPODREX with handwritten amendments
Feb 20, 2020
Provision of a copy of the minutes - opposition procedure
Feb 3, 2020
Information about the result of oral proceedings
Dec 18, 2019
Brief communication - Opposition proceedings
Dec 9, 2019
Brief communication - Opposition proceedings
Dec 9, 2019
Brief communication - Opposition proceedings
Dec 6, 2019
Brief communication - Opposition proceedings
Dec 6, 2019
Brief communication - Opposition proceedings
Dec 5, 2019
Brief communication - Opposition proceedings
Dec 4, 2019
Brief communication - Opposition proceedings
Dec 3, 2019
(Electronic) Receipt
Dec 3, 2019
Brief communication - Opposition proceedings
Dec 3, 2019
Brief communication - Opposition proceedings
Dec 3, 2019
Letter accompanying subsequently filed items
Dec 3, 2019
Written submission in preparation to/during oral proceedings
Dec 3, 2019
Written submission in preparation to/during oral proceedings
Nov 28, 2019
(Electronic) Receipt
Nov 28, 2019
Auxiliary request during Opposition procedure - 04
Nov 28, 2019
Auxiliary request during Opposition procedure - 04
Nov 28, 2019
Auxiliary request during Opposition procedure - 05
Nov 28, 2019
Auxiliary request during Opposition procedure - 05
Nov 28, 2019
Letter accompanying subsequently filed items
Nov 28, 2019
Request for interpreters during oral proceedings
Nov 28, 2019
Request for interpreters during oral proceedings
Nov 28, 2019
Written submission in preparation to/during oral proceedings
Aug 5, 2019
Advice of delivery
Aug 5, 2019
Advice of delivery
Aug 2, 2019
Advice of delivery
Aug 2, 2019
Advice of delivery
Aug 1, 2019
Advice of delivery
Jul 31, 2019
Advice of delivery
Jul 29, 2019
Acknowledgement of a document
Jul 29, 2019
Acknowledgement of a document
Jul 29, 2019
Acknowledgement of a document
Jul 29, 2019
Annex to the communication - opposition
Jul 29, 2019
Information concerning oral proceedings
Jul 29, 2019
Summons to attend oral proceedings
Jul 29, 2019
Summons to attend oral proceedings
Jul 29, 2019
Summons to attend oral proceedings
Dec 28, 2018
Request concerning representative opponent
Dec 21, 2018
Request concerning representative opponent
Dec 4, 2018
Brief communication - Opposition proceedings
Dec 4, 2018
Brief communication - Opposition proceedings
Nov 28, 2018
(Electronic) Receipt
Nov 28, 2018
Auxiliary request during Opposition procedure - 01
Nov 28, 2018
Auxiliary request during Opposition procedure - 01
Nov 28, 2018
Auxiliary request during Opposition procedure - 02
Nov 28, 2018
Auxiliary request during Opposition procedure - 02
Nov 28, 2018
Auxiliary request during Opposition procedure - 03
Nov 28, 2018
Auxiliary request during Opposition procedure - 03
Nov 28, 2018
Auxiliary request during Opposition procedure - 04
Nov 28, 2018
Auxiliary request during Opposition procedure - 04
Nov 28, 2018
Letter accompanying subsequently filed items
Nov 28, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jul 25, 2018
Communication of a notice of opposition and request to file observations
Jul 25, 2018
Notice of further oppositions to opponent(s)
Jul 25, 2018
Notice of further oppositions to opponent(s)
Jul 19, 2018
Brief communication - Opposition proceedings
Jul 17, 2018
Communication of a notice of opposition - first information to patent proprietor
Jul 17, 2018
Communication of a notice of opposition - first information to patent proprietor
Jul 11, 2018
(Electronic) Receipt
Jul 11, 2018
(Electronic) Receipt
Jul 11, 2018
Any annexes (other than citation) to an opposition letter
Jul 11, 2018
Citation in opposition procedure - 001
Jul 11, 2018
Citation in opposition procedure - 002
Jul 11, 2018
Citation in opposition procedure - 003
Jul 11, 2018
Citation in opposition procedure - 004
Jul 11, 2018
Citation in opposition procedure - 005
Jul 11, 2018
Citation in opposition procedure - 006
Jul 11, 2018
Citation in opposition procedure - 007
Jul 11, 2018
Citation in opposition procedure - 008
Jul 11, 2018
Citation in opposition procedure - 009
Jul 11, 2018
Citation in opposition procedure - 010
Jul 11, 2018
Citation in opposition procedure - 011
Jul 11, 2018
Citation in opposition procedure - 012
Jul 11, 2018
Citation in opposition procedure - 013
Jul 11, 2018
Citation in opposition procedure - 014
Jul 11, 2018
Citation in opposition procedure - 015
Jul 11, 2018
Citation in opposition procedure - 016
Jul 11, 2018
Citation in opposition procedure - 017
Jul 11, 2018
Citation in opposition procedure - 018
Jul 11, 2018
Citation in opposition procedure - 019
Jul 11, 2018
Citation in opposition procedure - 020
Jul 11, 2018
Citation in opposition procedure - 021
Jul 11, 2018
Citation in opposition procedure - 021
Jul 11, 2018
Citation in opposition procedure - 022
Jul 11, 2018
Citation in opposition procedure - 023
Jul 11, 2018
Citation in opposition procedure - 024
Jul 11, 2018
Citation in opposition procedure - 025
Jul 11, 2018
Citation in opposition procedure - 026
Jul 11, 2018
Citation in opposition procedure - 027
Jul 11, 2018
Citation in opposition procedure - 028
Jul 11, 2018
Citation in opposition procedure - 029
Jul 11, 2018
Consolidated list of cited opposition documents
Jul 11, 2018
Notice of opposition
Jul 11, 2018
Notice of opposition
Jul 11, 2018
Notice of opposition
Jul 11, 2018
Notice of opposition
Jul 11, 2018
Patent document cited during the opposition procedure
Oct 19, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 14, 2017
Decision to grant a European patent
Aug 30, 2017
(Electronic) Receipt
Aug 30, 2017
English translation of the claims
Aug 30, 2017
Filing of the translations of the claims
Aug 30, 2017
French translation of claims
Aug 30, 2017
Letter accompanying subsequently filed items
May 18, 2017
Bibliographic data of the European patent application
May 18, 2017
Communication about intention to grant a European patent
May 18, 2017
Intention to grant (signatures)
May 18, 2017
Text intended for grant (clean copy)
May 18, 2017
Text intended for grant (version for approval)
Apr 27, 2017
Examination started
Feb 7, 2017
Letter concerning fees and payments
Feb 7, 2017
Payment of fees and costs
Oct 26, 2016
Notification on forthcoming publication of bibliographic data
Aug 23, 2016
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Aug 19, 2016
Communication to designated inventor
Aug 19, 2016
Communication to designated inventor
Jul 21, 2016
Copy of the international preliminary examination report
May 13, 2016
Information regarding early processing
May 3, 2016
(Electronic) Receipt
May 3, 2016
Request for entry into the European phase
Dec 21, 2015
International preliminary examination report
Dec 21, 2015
International preliminary examination report - free text sheet
Dec 21, 2015
International preliminary examination report - points I-VIII
Dec 21, 2015
Transmittal of International Preliminary Examination Report
Jul 23, 2015
Copy of the international search report
Jul 23, 2015
Published international application - A1
Jun 5, 2015
Transmission of a document (International preliminary examination report)
May 13, 2015
Amendments of documents (Article 19 PCT)
Mar 30, 2015
Notification of receipt of demand
Mar 16, 2015
Letter regarding PCTII procedure
Mar 16, 2015
PCT demand form
Mar 16, 2015
Payment of fees and costs
Mar 16, 2015
Reply to International Search Opinion
Aug 5, 2014
Written opinion of the ISA, boxes No. I to VIII
Aug 5, 2014
Written opinion of the ISA, cover sheet
Aug 5, 2014
Written opinion of the ISA, supplemental box
Jan 14, 2014
Abstract
Jan 14, 2014
Claims
Jan 14, 2014
Description
Jan 14, 2014
Drawings
Jan 14, 2014
Payment of fees and costs

EP3094493

KRONOPLUS TECHNICAL

Application Number: EP14700959A
Filing Date: Jan 14, 2014
Status: Patent Maintained As Amended; Aug 1, 2025
Publication Date: Sep 3, 2025
External Links: Slate, Register , Google Patents

IP Verse

Layered Building Board For Inside And Outside

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3094493