Apparatus For Additive Manufacturing Of Three-Dimensional Objects

Patent No. EP3321008 (titled "Apparatus For Additive Manufacturing Of Three-Dimensional Objects") was filed by CL Schutzrechtsverwaltungs on Jun 29, 2017. The application was issued on Mar 27, 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
EOS ELECTRO OPTICAL SYSTEMS	Dec 23, 2019	PRUFER & PARTNER MBB PATENTANWALTE RECHTSANWALTE

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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Jan 21, 2026
Refund of fees
Dec 15, 2025
Amended description with annotations
Dec 15, 2025
Description
Dec 15, 2025
F3013 Oral Proceedings: Forwarding minutes
Dec 15, 2025
F3013 Oral Proceedings: Forwarding minutes
Dec 15, 2025
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Nov 21, 2025
F3345 Forwarding of submissions to parties
Nov 20, 2025
(Electronic) Receipt
Nov 20, 2025
Letter accompanying subsequently filed items
Nov 20, 2025
Letter dealing with oral proceedings during the appeal procedure
Oct 31, 2025
(Electronic) Receipt
Oct 31, 2025
Amended claims with annotations
Oct 31, 2025
Auxiliary request during appeals procedure - 02
Oct 31, 2025
F3345 Forwarding of submissions to parties
Oct 31, 2025
Letter accompanying subsequently filed items
Oct 31, 2025
Letter dealing with oral proceedings during the appeal procedure
Oct 14, 2025
F3345 Forwarding of submissions to parties
Oct 10, 2025
F3345 Forwarding of submissions to parties
Oct 9, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 9, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 8, 2025
(Electronic) Receipt
Oct 8, 2025
Letter accompanying subsequently filed items
Oct 7, 2025
(Electronic) Receipt
Oct 7, 2025
Letter accompanying subsequently filed items
Sep 22, 2025
Oral proceedings: change of venue
Sep 22, 2025
Oral proceedings: change of venue
May 27, 2025
(Electronic) Receipt
May 27, 2025
F3345 Forwarding of submissions to parties
May 27, 2025
Oral proceedings: reply to date proposed
May 23, 2025
F3010 Oral proceedings: order for summons
May 23, 2025
F3011.1 Oral Proceedings: summons
May 23, 2025
F3011.1 Oral Proceedings: summons
Nov 4, 2024
F3345 Forwarding of submissions to parties
Oct 29, 2024
F3345 Forwarding of submissions to parties
Oct 28, 2024
(Electronic) Receipt
Oct 28, 2024
Letter accompanying subsequently filed items
Oct 28, 2024
Reply to appeal
Oct 23, 2024
(Electronic) Receipt
Oct 23, 2024
Letter accompanying subsequently filed items
Oct 23, 2024
Reply to appeal
Jul 16, 2024
Composition of the board (T)
Jun 26, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 26, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 21, 2024
(Electronic) Receipt
Jun 21, 2024
Letter accompanying subsequently filed items
Jun 21, 2024
Statement of grounds of appeal
Jun 20, 2024
(Electronic) Receipt
Jun 20, 2024
Letter accompanying subsequently filed items
Jun 20, 2024
Statement of grounds of appeal
Apr 19, 2024
F3204 Communication of the file number to the parties
Apr 19, 2024
F3204 Communication of the file number to the parties
Apr 16, 2024
(Electronic) Receipt
Apr 16, 2024
Letter accompanying subsequently filed items
Apr 16, 2024
Notice of appeal
Apr 15, 2024
(Electronic) Receipt
Apr 15, 2024
Letter accompanying subsequently filed items
Apr 15, 2024
Notice of appeal
Feb 22, 2024
Annex to the communication - opposition
Feb 22, 2024
Brief communication - Opposition proceedings
Feb 22, 2024
Brief communication - Opposition proceedings
Feb 22, 2024
Decision of the Opposition Division and instruction
Feb 22, 2024
Druckexemplar in opposition procedure
Feb 22, 2024
Grounds for the decision (Annex) - opposition
Feb 22, 2024
Interlocutory decision in opposition proceedings
Feb 22, 2024
Interlocutory decision in opposition proceedings
Feb 22, 2024
Means of redress
Feb 22, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 22, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 22, 2024
Provision of a copy of the minutes - opposition procedure
Feb 22, 2024
Provision of a copy of the minutes - opposition procedure
Feb 22, 2024
Scanned annex to a communication - opposition procedure
Feb 22, 2024
Scanned annex to a communication - opposition procedure
Jun 27, 2023
Information about the result of oral proceedings
May 3, 2023
Brief communication - Opposition proceedings
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
(Electronic) Receipt
Apr 4, 2023
Brief communication - Opposition proceedings
Apr 3, 2023
(Electronic) Receipt
Apr 3, 2023
Communication of the registration of a transfer or change of name and/or address
Apr 3, 2023
Letter accompanying subsequently filed items
Mar 30, 2023
Notification concerning the date of oral proceedings
Mar 30, 2023
Notification concerning the date of oral proceedings
Mar 24, 2023
Annexes in respect of a client data request
Mar 24, 2023
Annexes in respect of a client data request
Mar 24, 2023
Annexes in respect of a client data request
Mar 24, 2023
Annexes in respect of a client data request
Mar 24, 2023
Letter accompanying subsequently filed items
Mar 24, 2023
Submission concerning a transfer of rights (proprietor)
Mar 24, 2023
Submission concerning a transfer of rights (proprietor)
Mar 23, 2023
(Electronic) Receipt
Mar 23, 2023
Letter accompanying subsequently filed items
Mar 23, 2023
Written submission in preparation to/during oral proceedings
Mar 15, 2023
Brief communication - Opposition proceedings
Mar 8, 2023
(Electronic) Receipt
Mar 8, 2023
Letter accompanying subsequently filed items
Mar 8, 2023
Written submission in preparation to/during oral proceedings
Nov 22, 2022
Advice of delivery
Nov 22, 2022
Advice of delivery
Nov 22, 2022
Transmittal of decision / summons - opposition
Nov 22, 2022
Transmittal of decision / summons - opposition
Nov 16, 2022
(Electronic) Receipt
Nov 16, 2022
Letter accompanying subsequently filed items
Nov 16, 2022
Written submission in preparation to/during oral proceedings
Nov 7, 2022
Letter regarding the opposition procedure (no time limit)
Oct 25, 2022
Advice of delivery
Oct 24, 2022
Advice of delivery
Oct 20, 2022
(Electronic) Receipt
Oct 20, 2022
Advice of delivery
Oct 20, 2022
Advice of delivery
Oct 20, 2022
Annex to the communication - opposition
Oct 20, 2022
Decision on the taking of evidence
Oct 20, 2022
Letter accompanying subsequently filed items
Oct 20, 2022
Summons to attend oral proceedings
Oct 20, 2022
Summons to attend oral proceedings
Oct 20, 2022
Summons to give evidence
Oct 20, 2022
Transmittal of decision / summons - opposition
Oct 20, 2022
Transmittal of decision / summons - opposition
Oct 17, 2022
Scanned annex to a communication - opposition procedure
Oct 17, 2022
Settlement of expenses for witnesses and experts
Nov 19, 2021
Enlargement of the examining/opposition division
Nov 16, 2021
Notification concerning the date of oral proceedings
Oct 5, 2021
Brief communication - Opposition proceedings
Sep 28, 2021
(Electronic) Receipt
Sep 28, 2021
Letter accompanying subsequently filed items
Sep 28, 2021
Written submission in preparation to/during oral proceedings
Aug 16, 2021
Brief communication - Opposition proceedings
Aug 16, 2021
Brief communication - Opposition proceedings
Aug 11, 2021
(Electronic) Receipt
Aug 11, 2021
Letter accompanying subsequently filed items
Aug 10, 2021
(Electronic) Receipt
Aug 10, 2021
(Electronic) Receipt
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure
Aug 10, 2021
Auxiliary request during Opposition procedure - 01
Aug 10, 2021
Auxiliary request during Opposition procedure - 02
Aug 10, 2021
Auxiliary request during Opposition procedure - 03
Aug 10, 2021
Auxiliary request during Opposition procedure - 04
Aug 10, 2021
Auxiliary request during Opposition procedure - 05
Aug 10, 2021
Auxiliary request during Opposition procedure - 06
Aug 10, 2021
Auxiliary request during Opposition procedure - 07
Aug 10, 2021
Auxiliary request during Opposition procedure - 08
Aug 10, 2021
Auxiliary request during Opposition procedure - 09
Aug 10, 2021
Auxiliary request during Opposition procedure - 10
Aug 10, 2021
Auxiliary request during Opposition procedure - 11
Aug 10, 2021
Auxiliary request during Opposition procedure - 12
Aug 10, 2021
Auxiliary request during Opposition procedure - 13
Aug 10, 2021
Auxiliary request during Opposition procedure - 14
Aug 10, 2021
Auxiliary request during Opposition procedure - 15
Aug 10, 2021
Auxiliary request during Opposition procedure - 16
Aug 10, 2021
Citation in opposition procedure - 021
Aug 10, 2021
Citation in opposition procedure - 022
Aug 10, 2021
Citation in opposition procedure - 023
Aug 10, 2021
Citation in opposition procedure - 024
Aug 10, 2021
Citation in opposition procedure - 025
Aug 10, 2021
Citation in opposition procedure - 026
Aug 10, 2021
Citation in opposition procedure - 027
Aug 10, 2021
Citation in opposition procedure - 028
Aug 10, 2021
Consolidated list of cited opposition documents
Aug 10, 2021
Letter accompanying subsequently filed items
Aug 10, 2021
Letter accompanying subsequently filed items
Aug 10, 2021
Written submission in preparation to/during oral proceedings
Aug 10, 2021
Written submission in preparation to/during oral proceedings
Jul 2, 2021
Notification concerning the date of oral proceedings
Jul 2, 2021
Notification concerning the date of oral proceedings
Mar 19, 2021
Advice of delivery
Mar 17, 2021
Advice of delivery
Mar 17, 2021
Annex to the communication - opposition
Mar 17, 2021
Information concerning oral proceedings
Mar 17, 2021
Summons to attend oral proceedings
Mar 17, 2021
Summons to attend oral proceedings
Mar 17, 2021
Transmittal of decision / summons - opposition
Mar 17, 2021
Transmittal of decision / summons - opposition
Jun 9, 2020
Brief communication - Opposition proceedings
Jun 2, 2020
(Electronic) Receipt
Jun 2, 2020
Letter accompanying subsequently filed items
Jun 2, 2020
Reply of the patent proprietor to the notice(s) of opposition
Mar 24, 2020
Document concerning representation
Jan 15, 2020
Communication of a notice of opposition and request to file observations
Jan 15, 2020
Notice of further oppositions to opponent(s)
Jan 9, 2020
Communication of a notice of opposition - first information to patent proprietor
Dec 23, 2019
(Electronic) Receipt
Dec 23, 2019
Citation in opposition procedure - 001
Dec 23, 2019
Citation in opposition procedure - 002
Dec 23, 2019
Citation in opposition procedure - 003
Dec 23, 2019
Citation in opposition procedure - 004
Dec 23, 2019
Citation in opposition procedure - 005
Dec 23, 2019
Citation in opposition procedure - 006
Dec 23, 2019
Citation in opposition procedure - 007
Dec 23, 2019
Citation in opposition procedure - 008
Dec 23, 2019
Citation in opposition procedure - 009
Dec 23, 2019
Citation in opposition procedure - 010
Dec 23, 2019
Citation in opposition procedure - 011
Dec 23, 2019
Citation in opposition procedure - 012
Dec 23, 2019
Citation in opposition procedure - 013
Dec 23, 2019
Citation in opposition procedure - 014
Dec 23, 2019
Citation in opposition procedure - 015
Dec 23, 2019
Citation in opposition procedure - 016
Dec 23, 2019
Citation in opposition procedure - 017
Dec 23, 2019
Citation in opposition procedure - 018
Dec 23, 2019
Citation in opposition procedure - 019
Dec 23, 2019
Citation in opposition procedure - 020
Dec 23, 2019
Notice of opposition
Dec 23, 2019
Notice of opposition
Oct 15, 2019
Submission concerning representation
Apr 8, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 28, 2019
Submission concerning change of applicant's representative
Feb 28, 2019
Decision to grant a European patent
Nov 14, 2018
(Electronic) Receipt
Nov 14, 2018
English translation of the claims
Nov 14, 2018
Filing of the translations of the claims
Nov 14, 2018
French translation of claims
Nov 14, 2018
Letter accompanying subsequently filed items
Sep 11, 2018
Bibliographic data of the European patent application
Sep 11, 2018
Communication about intention to grant a European patent
Sep 11, 2018
Intention to grant (signatures)
Sep 11, 2018
Text intended for grant (clean copy)
Sep 11, 2018
Text intended for grant (version for approval)
Aug 27, 2018
Examination started
Aug 2, 2018
Priority search results
Aug 2, 2018
Reply to invitation to file a copy of priority search results
Aug 1, 2018
Communication of amended entries concerning the representative
Jul 27, 2018
Submission concerning change of applicant's representative
Jul 16, 2018
Invitation to file a copy of search results(priority)
Jul 11, 2018
Submission concerning representation
Jul 3, 2018
(Electronic) Receipt
Jul 3, 2018
Amended description filed after receipt of (European) search report
Jul 3, 2018
Amended description with annotations
Jul 3, 2018
Amendments received before examination
Jul 3, 2018
Letter accompanying subsequently filed items
May 22, 2018
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Apr 18, 2018
Notification of forthcoming publication
Feb 15, 2018
Communication regarding the transmission of the European search report
Feb 15, 2018
European search opinion
Feb 15, 2018
European search report
Feb 15, 2018
Information on Search Strategy
Jan 29, 2018
Search started
Sep 20, 2017
Communication to designated inventor
Sep 20, 2017
Communication to designated inventor
Sep 20, 2017
Communication to designated inventor
Jul 19, 2017
Communication of amended entries concerning the representative
Jul 3, 2017
Letter concerning the priority
Jul 3, 2017
Priority document
Jun 29, 2017
Abstract
Jun 29, 2017
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jun 29, 2017
Claims
Jun 29, 2017
Description
Jun 29, 2017
Designation of inventor
Jun 29, 2017
Drawings
Jun 29, 2017
Request for grant of a European patent
Apr 11, 2017
Submission concerning change of applicant's representative

EP3321008

CL SCHUTZRECHTSVERWALTUNGS

Application Number: EP17178616A
Filing Date: Jun 29, 2017
Status: Granted And Under Opposition; Feb 22, 2019
Publication Date: Mar 27, 2019
External Links: Slate, Register , Google Patents

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Apparatus For Additive Manufacturing Of Three-Dimensional Objects

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Dossier Documents

EP3321008