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Stabilized Matrix-Filled Liquid Radiation Curable Resin Compositions For Additive Fabrication

Patent No. EP2868692 (titled "Stabilized Matrix-Filled Liquid Radiation Curable Resin Compositions For Additive Fabrication") was filed by Covestro Netherlands on Nov 5, 2014. The application was issued on Jul 16, 2025.

Patent Summary

Patent Family

Patent Oppositions (2)

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
D SYSTEMS	Jul 25, 2018	DOMPATENT VON KREISLER SELTING WERNER
D SYSTEMS	Jul 25, 2018	DOMPATENT VON PATENT UND RECHTSANWALTEN

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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Jun 20, 2025
Decision to maintain the European patent in amended form
Jun 20, 2025
Decision to maintain the European patent in amended form
Jun 10, 2025
(Electronic) Receipt
Jun 10, 2025
Filing of the translation of the amended claims
Jun 10, 2025
French translation of claims
Jun 10, 2025
German translation of the claims
Mar 10, 2025
Communication of bibliographic data
Mar 10, 2025
Communication to opponent concerning maintenance
Mar 10, 2025
Communication with request to file translations
Mar 4, 2025
Maintenance of the patent with the documents specified in the final decision
Oct 25, 2024
Brief communication - Opposition proceedings
Oct 25, 2024
Brief communication - Opposition proceedings
Oct 25, 2024
Decision of the Opposition Division and instruction
Oct 25, 2024
Druckexemplar in opposition procedure
Oct 25, 2024
Grounds for the decision (Annex) - opposition
Oct 25, 2024
Interlocutory decision in opposition proceedings
Oct 25, 2024
Interlocutory decision in opposition proceedings
Oct 25, 2024
Means of redress
Aug 29, 2024
Brief communication - Opposition proceedings
Aug 26, 2024
(Electronic) Receipt
Aug 26, 2024
Letter accompanying subsequently filed items
Aug 26, 2024
Reply to an examination report in opposition proceedings
Jun 25, 2024
Annex to the communication - opposition
Jun 25, 2024
Communication inviting the parties to file observations
Jun 25, 2024
Communication inviting the parties to file observations
Apr 5, 2024
Miscellaneous requests concerning client data
Feb 14, 2024
Decision of the Board of Appeal
Feb 14, 2024
F3032 Notification(s) of the decision
Feb 14, 2024
F3032 Notification(s) of the decision
Nov 23, 2023
Communication of the registration of a transfer or change of name and/or address
Nov 23, 2023
F3345 Forwarding of submissions to parties
Nov 21, 2023
F3013 Oral Proceedings: Forwarding minutes
Nov 21, 2023
F3013 Oral Proceedings: Forwarding minutes
Nov 21, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Nov 16, 2023
(Electronic) Receipt
Nov 16, 2023
Annex
Nov 16, 2023
Annexes in respect of a client data request
Nov 16, 2023
Annexes in respect of a client data request
Nov 16, 2023
Letter accompanying subsequently filed items
Nov 16, 2023
Submission concerning a transfer of rights (applicant)
Oct 10, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 10, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 6, 2023
F3345 Forwarding of submissions to parties
Oct 3, 2023
(Electronic) Receipt
Oct 3, 2023
Annexes (other than cited documents) regarding appeal procedure
Oct 3, 2023
Letter accompanying subsequently filed items
Oct 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Aug 2, 2023
F3345 Forwarding of submissions to parties
Jul 28, 2023
(Electronic) Receipt
Jul 28, 2023
Letter accompanying subsequently filed items
Jul 28, 2023
Letter relating to Appeal Procedure
Jul 25, 2023
F3345 Forwarding of submissions to parties
Jul 19, 2023
(Electronic) Receipt
Jul 19, 2023
Letter accompanying subsequently filed items
Jul 19, 2023
Request for interpreters during oral proceedings
Jul 5, 2023
F3004 Communication of the Registry
Jul 5, 2023
F3004 Communication of the Registry
Apr 21, 2023
(Electronic) Receipt
Apr 21, 2023
Annexes (other than cited documents) regarding appeal procedure
Apr 21, 2023
F3345 Forwarding of submissions to parties
Apr 21, 2023
Letter accompanying subsequently filed items
Apr 21, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 23, 2023
F3004 Communication of the Registry
Feb 23, 2023
F3004 Communication of the Registry
Dec 16, 2022
F3014 Oral Proceedings: Order cancelling/postponing
Dec 16, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 16, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 15, 2022
F3345 Forwarding of submissions to parties
Dec 14, 2022
(Electronic) Receipt
Dec 14, 2022
Annexes (other than cited documents) regarding appeal procedure
Dec 14, 2022
Letter accompanying subsequently filed items
Dec 14, 2022
Oral proceedings: Request for postponement
Dec 13, 2022
F3011.1 Oral Proceedings: summons
Dec 13, 2022
F3011.1 Oral Proceedings: summons
Dec 8, 2022
F3010 Oral proceedings: order for summons
Dec 7, 2022
F3303.16 Change of composition of the Board (T)
Mar 7, 2022
Communication of the registration of a transfer or change of name and/or address
Feb 15, 2022
(Electronic) Receipt
Feb 15, 2022
Letter accompanying subsequently filed items
Feb 15, 2022
Submission concerning change of proprietor's address
Dec 2, 2021
F3345 Forwarding of submissions to parties
Nov 26, 2021
(Electronic) Receipt
Nov 26, 2021
Auxiliary request during appeals procedure - 01
Nov 26, 2021
Auxiliary request during appeals procedure - 01
Nov 26, 2021
Auxiliary request during appeals procedure - 02
Nov 26, 2021
Auxiliary request during appeals procedure - 02
Nov 26, 2021
Auxiliary request during appeals procedure - 03
Nov 26, 2021
Auxiliary request during appeals procedure - 03
Nov 26, 2021
Auxiliary request during appeals procedure - 04
Nov 26, 2021
Auxiliary request during appeals procedure - 04
Nov 26, 2021
Auxiliary request during appeals procedure - 05
Nov 26, 2021
Auxiliary request during appeals procedure - 05
Nov 26, 2021
Auxiliary request during appeals procedure - 06
Nov 26, 2021
Auxiliary request during appeals procedure - 06
Nov 26, 2021
Auxiliary request during appeals procedure - 07
Nov 26, 2021
Auxiliary request during appeals procedure - 07
Nov 26, 2021
Auxiliary request during appeals procedure - 08
Nov 26, 2021
Auxiliary request during appeals procedure - 08
Nov 26, 2021
Auxiliary request during appeals procedure - 09
Nov 26, 2021
Auxiliary request during appeals procedure - 09
Nov 26, 2021
Auxiliary request during appeals procedure - 10
Nov 26, 2021
Auxiliary request during appeals procedure - 10
Nov 26, 2021
Cited document during appeal procedure
Nov 26, 2021
Cited document during appeal procedure
Nov 26, 2021
Cited document during appeal procedure
Nov 26, 2021
Composition of the board (T)
Nov 26, 2021
Letter accompanying subsequently filed items
Nov 26, 2021
Reply to appeal
Sep 14, 2021
Communication of the registration of a transfer or change of name and/or address
Sep 14, 2021
F3345 Forwarding of submissions to parties
Aug 6, 2021
(Electronic) Receipt
Aug 6, 2021
General authorisation
Aug 6, 2021
Letter accompanying subsequently filed items
Aug 6, 2021
Miscellaneous requests concerning client data
Aug 6, 2021
Miscellaneous requests concerning client data
Aug 6, 2021
Miscellaneous requests concerning client data
Aug 6, 2021
Miscellaneous requests concerning client data
Aug 6, 2021
Submission concerning a transfer of rights (applicant)
Jul 21, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 16, 2021
(Electronic) Receipt
Jul 16, 2021
Cited document during appeal procedure
Jul 16, 2021
Cited document during appeal procedure
Jul 16, 2021
Cited document during appeal procedure
Jul 16, 2021
Cited document during appeal procedure
Jul 16, 2021
Letter accompanying subsequently filed items
Jul 16, 2021
Statement of grounds of appeal
May 28, 2021
F3204 Communication of the file number to the parties
May 28, 2021
F3204 Communication of the file number to the parties
May 18, 2021
(Electronic) Receipt
May 18, 2021
Letter accompanying subsequently filed items
May 18, 2021
Notice of appeal
Apr 14, 2021
Advice of delivery
Apr 14, 2021
Communication about missing advice of delivery
Mar 9, 2021
Advice of delivery
Mar 9, 2021
Annex to the communication - opposition
Mar 9, 2021
Decision of the Opposition Division and instruction
Mar 9, 2021
Decision rejecting the opposition
Mar 9, 2021
Grounds for the decision (Annex) - opposition
Mar 9, 2021
Internal form - Opposition/addressees
Mar 9, 2021
Internal form - Opposition/addressees
Mar 9, 2021
Means of redress
Mar 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 9, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 9, 2021
Provision of a copy of the minutes of oral proceedings
Mar 9, 2021
Provision of a copy of the minutes of oral proceedings
Mar 9, 2021
Transmittal of decision / summons - opposition
Mar 9, 2021
Transmittal of decision / summons - opposition
Feb 5, 2021
Information about the result of oral proceedings
Dec 14, 2020
Brief communication - Opposition proceedings
Dec 8, 2020
Brief communication - Opposition proceedings
Dec 8, 2020
Notification concerning the date of oral proceedings
Dec 8, 2020
Notification concerning the date of oral proceedings
Dec 4, 2020
(Electronic) Receipt
Dec 4, 2020
Any annexes (other than citation) to an opposition letter
Dec 4, 2020
Citation in opposition procedure - 035
Dec 4, 2020
Consolidated list of cited opposition documents
Dec 4, 2020
Letter accompanying subsequently filed items
Dec 4, 2020
Written submission in preparation to/during oral proceedings
Dec 3, 2020
(Electronic) Receipt
Dec 3, 2020
Citation in opposition procedure - 033
Dec 3, 2020
Citation in opposition procedure - 034
Dec 3, 2020
Letter accompanying subsequently filed items
Dec 3, 2020
Written submission in preparation to/during oral proceedings
Sep 2, 2020
Brief communication - Opposition proceedings
Aug 27, 2020
(Electronic) Receipt
Aug 27, 2020
Letter accompanying subsequently filed items
Aug 27, 2020
Oral proceedings: reply to date proposed
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
Letter accompanying subsequently filed items
Aug 13, 2020
Oral proceedings: reply to date proposed
Aug 5, 2020
Notification concerning the date of oral proceedings
Aug 5, 2020
Notification concerning the date of oral proceedings
Jun 29, 2020
Advice of delivery
Jun 26, 2020
Advice of delivery
Jun 24, 2020
Acknowledgement of a document
Jun 24, 2020
Acknowledgement of a document
Jun 24, 2020
Annex to the communication - opposition
Jun 24, 2020
Information concerning oral proceedings
Jun 24, 2020
Summons to attend oral proceedings
Jun 24, 2020
Summons to attend oral proceedings
Jun 17, 2020
Oral proceedings: reply to date proposed
Jun 17, 2020
Oral proceedings: reply to date proposed
Mar 27, 2020
Notification concerning the date of oral proceedings
Mar 27, 2020
Notification concerning the date of oral proceedings
Mar 26, 2020
Brief communication - Opposition proceedings
Mar 24, 2020
Brief communication - Opposition proceedings
Mar 24, 2020
Brief communication - Opposition proceedings
Mar 20, 2020
(Electronic) Receipt
Mar 20, 2020
Letter accompanying subsequently filed items
Mar 20, 2020
Written submission in preparation to/during oral proceedings
Mar 19, 2020
(Electronic) Receipt
Mar 19, 2020
Letter accompanying subsequently filed items
Mar 19, 2020
Written submission in preparation to/during oral proceedings
Mar 18, 2020
(Electronic) Receipt
Mar 18, 2020
Letter accompanying subsequently filed items
Mar 18, 2020
Oral proceedings: Request for postponement
Feb 13, 2020
Brief communication - Opposition proceedings
Feb 7, 2020
(Electronic) Receipt
Feb 7, 2020
Any annexes (other than citation) to an opposition letter
Feb 7, 2020
Auxiliary request during Opposition procedure
Feb 7, 2020
Auxiliary request during Opposition procedure
Feb 7, 2020
Auxiliary request during Opposition procedure
Feb 7, 2020
Auxiliary request during Opposition procedure
Feb 7, 2020
Auxiliary request during Opposition procedure
Feb 7, 2020
Auxiliary request during Opposition procedure
Feb 7, 2020
Auxiliary request during Opposition procedure
Feb 7, 2020
Auxiliary request during Opposition procedure
Feb 7, 2020
Auxiliary request during Opposition procedure - 03
Feb 7, 2020
Auxiliary request during Opposition procedure - 04
Feb 7, 2020
Auxiliary request during Opposition procedure - 05
Feb 7, 2020
Auxiliary request during Opposition procedure - 06
Feb 7, 2020
Auxiliary request during Opposition procedure - 07
Feb 7, 2020
Auxiliary request during Opposition procedure - 08
Feb 7, 2020
Auxiliary request during Opposition procedure - 09
Feb 7, 2020
Auxiliary request during Opposition procedure - 10
Feb 7, 2020
Citation in opposition procedure - 032
Feb 7, 2020
Letter accompanying subsequently filed items
Feb 7, 2020
Written submission in preparation to/during oral proceedings
Feb 6, 2020
Brief communication - Opposition proceedings
Jan 31, 2020
(Electronic) Receipt
Jan 31, 2020
Any annexes (other than citation) to an opposition letter
Jan 31, 2020
Letter accompanying subsequently filed items
Jan 31, 2020
Written submission in preparation to/during oral proceedings
Jan 30, 2020
Brief communication - Opposition proceedings
Jan 24, 2020
(Electronic) Receipt
Jan 24, 2020
Citation in opposition procedure - 030
Jan 24, 2020
Citation in opposition procedure - 031
Jan 24, 2020
Letter accompanying subsequently filed items
Jan 24, 2020
Written submission in preparation to/during oral proceedings
Sep 17, 2019
Advice of delivery
Sep 10, 2019
Advice of delivery
Sep 6, 2019
Advice of delivery
Sep 5, 2019
Advice of delivery
Sep 4, 2019
Acknowledgement of a document
Sep 4, 2019
Acknowledgement of a document
Sep 4, 2019
Annex to the communication - opposition
Sep 4, 2019
Information concerning oral proceedings
Sep 4, 2019
Summons to attend oral proceedings
Sep 4, 2019
Summons to attend oral proceedings
Jul 1, 2019
Brief communication - Opposition proceedings
Jun 24, 2019
(Electronic) Receipt
Jun 24, 2019
Citation in opposition procedure - 016
Jun 24, 2019
Letter accompanying subsequently filed items
Jun 24, 2019
Reply from the opponent to submission of proprietor
Jan 2, 2019
Brief communication - Opposition proceedings
Dec 19, 2018
(Electronic) Receipt
Dec 19, 2018
Auxiliary request during Opposition procedure
Dec 19, 2018
Auxiliary request during Opposition procedure
Dec 19, 2018
Auxiliary request during Opposition procedure
Dec 19, 2018
Auxiliary request during Opposition procedure
Dec 19, 2018
Auxiliary request during Opposition procedure - 01
Dec 19, 2018
Auxiliary request during Opposition procedure - 02
Dec 19, 2018
Auxiliary request during Opposition procedure - 03
Dec 19, 2018
Auxiliary request during Opposition procedure - 04
Dec 19, 2018
Citation in opposition procedure - 012
Dec 19, 2018
Citation in opposition procedure - 013
Dec 19, 2018
Citation in opposition procedure - 014
Dec 19, 2018
Citation in opposition procedure - 015
Dec 19, 2018
Letter accompanying subsequently filed items
Dec 19, 2018
Reply of the patent proprietor to the notice(s) of opposition
Aug 9, 2018
Communication of a notice of opposition and request to file observations
Aug 9, 2018
Notice of further oppositions to opponent(s)
Aug 2, 2018
Communication of a notice of opposition - first information to patent proprietor
Jul 25, 2018
(Electronic) Receipt
Jul 25, 2018
Citation in opposition procedure - 001
Jul 25, 2018
Citation in opposition procedure - 002
Jul 25, 2018
Citation in opposition procedure - 003
Jul 25, 2018
Citation in opposition procedure - 004
Jul 25, 2018
Citation in opposition procedure - 005
Jul 25, 2018
Citation in opposition procedure - 006
Jul 25, 2018
Citation in opposition procedure - 007
Jul 25, 2018
Citation in opposition procedure - 008
Jul 25, 2018
Citation in opposition procedure - 009
Jul 25, 2018
Citation in opposition procedure - 010
Jul 25, 2018
Citation in opposition procedure - 011
Jul 25, 2018
Citation in opposition procedure - 017
Jul 25, 2018
Citation in opposition procedure - 018
Jul 25, 2018
Citation in opposition procedure - 019
Jul 25, 2018
Citation in opposition procedure - 020
Jul 25, 2018
Citation in opposition procedure - 021
Jul 25, 2018
Citation in opposition procedure - 022
Jul 25, 2018
Citation in opposition procedure - 023
Jul 25, 2018
Citation in opposition procedure - 024
Jul 25, 2018
Citation in opposition procedure - 025
Jul 25, 2018
Citation in opposition procedure - 026
Jul 25, 2018
Citation in opposition procedure - 027
Jul 25, 2018
Citation in opposition procedure - 028
Jul 25, 2018
Citation in opposition procedure - 029
Jul 25, 2018
Notice of opposition
Jul 25, 2018
Notice of opposition
Nov 2, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 28, 2017
Decision to grant a European patent
Sep 18, 2017
(Electronic) Receipt
Sep 18, 2017
Filing of the translations of the claims
Sep 18, 2017
French translation of claims
Sep 18, 2017
German translation of the claims
Jul 25, 2017
Bibliographic data of the European patent application
Jul 25, 2017
Communication about intention to grant a European patent
Jul 25, 2017
Intention to grant (signatures)
Jul 25, 2017
Text intended for grant (clean copy)
Jul 25, 2017
Text intended for grant (version for approval)
Jun 21, 2017
(Electronic) Receipt
Jun 21, 2017
Amended claims with annotations
Jun 21, 2017
Claims
Jun 21, 2017
Description
Jun 21, 2017
Letter accompanying subsequently filed items
Jun 21, 2017
Matter concerning the application
Jun 21, 2017
Reply to communication from the Examining Division
Mar 2, 2017
Annex to the communication
Mar 2, 2017
Communication from the Examining Division
Sep 5, 2016
(Electronic) Receipt
Sep 5, 2016
Amended claims with annotations
Sep 5, 2016
Amended claims with annotations
Sep 5, 2016
Claims
Sep 5, 2016
Claims
Sep 5, 2016
Letter accompanying subsequently filed items
Sep 5, 2016
Reply to communication from the Examining Division
Aug 22, 2016
Grant of extension of time limit (examination procedure)
Aug 17, 2016
(Electronic) Receipt
Aug 17, 2016
Letter accompanying subsequently filed items
Aug 17, 2016
Request for extension of time limit to communication from the Examining Division
Apr 19, 2016
Annex to the communication
Apr 19, 2016
Communication from the Examining Division
Apr 14, 2016
Examination started
Nov 6, 2015
(Electronic) Receipt
Nov 6, 2015
Amended claims filed after receipt of (European) search report
Nov 6, 2015
Amended claims with annotations
Nov 6, 2015
Amendments received before examination
Nov 6, 2015
Letter accompanying subsequently filed items
Nov 6, 2015
Non-patent literature cited during the examination procedure
Nov 6, 2015
Non-patent literature cited during the examination procedure
Nov 6, 2015
Non-patent literature cited during the examination procedure
Oct 8, 2015
Communication of amended entries concerning the representative
Sep 29, 2015
Submission concerning change of applicant's representative
May 22, 2015
Communication to designated inventor
May 13, 2015
(Electronic) Receipt
May 13, 2015
Letter accompanying subsequently filed items
May 13, 2015
Letter concerning the inventor
May 11, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Apr 17, 2015
Invitation to indicate correct address of inventor
Apr 13, 2015
Letter which had not been notified
Apr 9, 2015
Notification of forthcoming publication
Mar 11, 2015
Communication regarding the transmission of the European search report
Mar 11, 2015
Communication to designated inventor
Mar 11, 2015
Communication to designated inventor
Mar 11, 2015
Communication to designated inventor
Mar 11, 2015
Communication to designated inventor
Mar 11, 2015
Communication to designated inventor
Mar 11, 2015
European search opinion
Mar 11, 2015
European search report
Mar 5, 2015
(Electronic) Receipt
Mar 5, 2015
Designation of inventor
Mar 5, 2015
Letter accompanying subsequently filed items
Feb 27, 2015
Search started
Jan 30, 2015
Confirmation of receipt of (electronically) transmitted priority document
Jan 6, 2015
Priority document (electronically transmitted)
Jan 6, 2015
Priority document (electronically transmitted)
Nov 26, 2014
Deficiency in designation of inventor
Nov 5, 2014
Abstract
Nov 5, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Nov 5, 2014
Claims
Nov 5, 2014
Description
Nov 5, 2014
Drawings
Nov 5, 2014
Request for grant of a European patent

EP2868692

COVESTRO NETHERLANDS

Application Number: EP14191905A
Filing Date: Nov 5, 2014
Status: Patent Maintained As Amended; Jun 13, 2025
Publication Date: Jul 16, 2025
External Links: Slate, Register , Google Patents