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Powder Circuit For Use In An Apparatus For Producing Three-Dimensional Work Pieces

Patent No. EP3023227 (titled "Powder Circuit For Use In An Apparatus For Producing Three-Dimensional Work Pieces") was filed by SLM Solutions Group on Nov 24, 2014. The application was issued on Jan 3, 2018.

Patent Summary

Patent Family

Patent Oppositions

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	Oct 2, 2018	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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Mar 14, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Mar 14, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 9, 2022
Termination of the opposition proceedings with maintenance of patent
Nov 29, 2021
Advice of delivery
Nov 26, 2021
Advice of delivery
Nov 26, 2021
Annex to the communication - opposition
Nov 26, 2021
Decision of the Opposition Division and instruction
Nov 26, 2021
Decision rejecting the opposition
Nov 26, 2021
Decision rejecting the opposition
Nov 26, 2021
Grounds for the decision (Annex) - opposition
Nov 26, 2021
Means of redress
Nov 26, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 26, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 26, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 26, 2021
Provision of a copy of the minutes - opposition procedure
Nov 26, 2021
Provision of a copy of the minutes - opposition procedure
Nov 26, 2021
Transmittal of decision / summons - opposition
Nov 26, 2021
Transmittal of decision / summons - opposition
Sep 16, 2021
Information about the result of oral proceedings
Jul 13, 2021
(Electronic) Receipt
Jul 13, 2021
Letter accompanying subsequently filed items
Jul 6, 2021
Brief communication - Opposition proceedings
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Letter accompanying subsequently filed items
Jul 1, 2021
Written submission in preparation to/during oral proceedings
Jun 25, 2021
Notification concerning the date of oral proceedings
Jun 25, 2021
Notification concerning the date of oral proceedings
Jun 21, 2021
(Electronic) Receipt
Jun 21, 2021
Letter accompanying subsequently filed items
Jun 21, 2021
Written submission in preparation to/during oral proceedings
Apr 23, 2021
Brief communication - Opposition proceedings
Apr 19, 2021
(Electronic) Receipt
Apr 19, 2021
Letter accompanying subsequently filed items
Apr 19, 2021
Request for interpreters during oral proceedings
Oct 19, 2020
Notification concerning the date of oral proceedings
Oct 19, 2020
Notification concerning the date of oral proceedings
Oct 12, 2020
Advice of delivery
Oct 9, 2020
Advice of delivery
Oct 2, 2020
Acknowledgement of a document
Oct 2, 2020
Acknowledgement of a document
Oct 2, 2020
Information concerning oral proceedings
Oct 2, 2020
Summons to attend oral proceedings
Oct 2, 2020
Summons to attend oral proceedings
Sep 4, 2020
Notification concerning the date of oral proceedings
Sep 4, 2020
Notification concerning the date of oral proceedings
Aug 27, 2020
(Electronic) Receipt
Aug 27, 2020
Letter accompanying subsequently filed items
Aug 27, 2020
Oral proceedings: reply to date proposed
Aug 6, 2020
(Electronic) Receipt
Aug 6, 2020
Letter accompanying subsequently filed items
Aug 6, 2020
Oral proceedings: reply to date proposed
Jul 15, 2020
Notification concerning the date of oral proceedings
Jul 15, 2020
Notification concerning the date of oral proceedings
Jul 7, 2020
Advice of delivery
Jul 7, 2020
Advice of delivery
Jul 3, 2020
Acknowledgement of a document
Jul 3, 2020
Acknowledgement of a document
Jul 3, 2020
Information concerning oral proceedings
Jul 3, 2020
Summons to attend oral proceedings
Jul 3, 2020
Summons to attend oral proceedings
Jun 29, 2020
Notification concerning the date of oral proceedings
Jun 29, 2020
Notification concerning the date of oral proceedings
Jun 9, 2020
Oral proceedings: reply to date proposed
Jun 9, 2020
Oral proceedings: reply to date proposed
May 12, 2020
Brief communication - Opposition proceedings
May 6, 2020
Request for interpreters during oral proceedings
Apr 21, 2020
Advice of delivery
Apr 20, 2020
(Electronic) Receipt
Apr 20, 2020
Advice of delivery
Apr 20, 2020
Letter accompanying subsequently filed items
Apr 14, 2020
Acknowledgement of a document
Apr 14, 2020
Acknowledgement of a document
Apr 14, 2020
Annex to the communication - opposition
Apr 14, 2020
Information concerning oral proceedings
Apr 14, 2020
Summons to attend oral proceedings
Apr 14, 2020
Summons to attend oral proceedings
Mar 18, 2020
Notification concerning the date of oral proceedings
Mar 18, 2020
Notification concerning the date of oral proceedings
Mar 11, 2020
(Electronic) Receipt
Mar 11, 2020
Letter accompanying subsequently filed items
Mar 11, 2020
Notification concerning the date of oral proceedings
Mar 11, 2020
Notification concerning the date of oral proceedings
Mar 11, 2020
Oral proceedings: Request for postponement
Mar 10, 2020
(Electronic) Receipt
Mar 10, 2020
(Electronic) Receipt
Mar 10, 2020
Letter accompanying subsequently filed items
Mar 10, 2020
Letter accompanying subsequently filed items
Mar 10, 2020
Result of consultation by telephone/in person
Mar 10, 2020
Written submission in preparation to/during oral proceedings
Mar 10, 2020
Written submission in preparation to/during oral proceedings
Mar 9, 2020
(Electronic) Receipt
Mar 9, 2020
(Electronic) Receipt
Mar 9, 2020
Letter accompanying subsequently filed items
Mar 9, 2020
Letter accompanying subsequently filed items
Mar 9, 2020
Written submission in preparation to/during oral proceedings
Mar 9, 2020
Written submission in preparation to/during oral proceedings
Mar 5, 2020
Brief communication - Opposition proceedings
Mar 5, 2020
Brief communication - Opposition proceedings
Mar 2, 2020
Brief communication - Opposition proceedings
Jan 16, 2020
Brief communication - Opposition proceedings
Jan 14, 2020
Brief communication - Opposition proceedings
Jan 10, 2020
(Electronic) Receipt
Jan 10, 2020
Citation in opposition procedure
Jan 10, 2020
Citation in opposition procedure
Jan 10, 2020
Citation in opposition procedure
Jan 10, 2020
Letter accompanying subsequently filed items
Jan 10, 2020
Letter regarding the opposition procedure (no time limit)
Jan 8, 2020
(Electronic) Receipt
Jan 8, 2020
Letter accompanying subsequently filed items
Jan 8, 2020
Request for interpreters during oral proceedings
Sep 16, 2019
Advice of delivery
Sep 4, 2019
Advice of delivery
Aug 20, 2019
Advice of delivery
Aug 20, 2019
Advice of delivery
Aug 13, 2019
Acknowledgement of a document
Aug 13, 2019
Acknowledgement of a document
Aug 13, 2019
Annex to the communication - opposition
Aug 13, 2019
Information concerning oral proceedings
Aug 13, 2019
Summons to attend oral proceedings
Aug 13, 2019
Summons to attend oral proceedings
Feb 15, 2019
Brief communication - Opposition proceedings
Feb 11, 2019
(Electronic) Receipt
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Any annexes (other than citation) to an opposition letter
Feb 11, 2019
Claims
Feb 11, 2019
Claims
Feb 11, 2019
Claims
Feb 11, 2019
Claims
Feb 11, 2019
Letter accompanying subsequently filed items
Feb 11, 2019
Reply of the patent proprietor to the notice(s) of opposition
Nov 23, 2018
Letter concerning the inventor
Oct 17, 2018
Communication of a notice of opposition and request to file observations
Oct 17, 2018
Notice of further oppositions to opponent(s)
Oct 8, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 2, 2018
(Electronic) Receipt
Oct 2, 2018
Citation in opposition procedure
Oct 2, 2018
Citation in opposition procedure
Oct 2, 2018
Citation in opposition procedure
Oct 2, 2018
Citation in opposition procedure
Oct 2, 2018
Citation in opposition procedure
Oct 2, 2018
Notice of opposition
Oct 2, 2018
Notice of opposition
Oct 2, 2018
Patent document cited during the opposition procedure
Oct 2, 2018
Patent document cited during the opposition procedure
Oct 2, 2018
Patent document cited during the opposition procedure
May 16, 2018
Communication of the registration of a transfer or change of name and/or address
May 9, 2018
Annexes in respect of a client data request
May 9, 2018
Letter accompanying subsequently filed items
May 9, 2018
Submission concerning change of applicant's address
Jan 26, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 7, 2017
Decision to grant a European patent
Oct 31, 2017
Bibliographic data of the European patent application
Oct 31, 2017
Information about intention to grant a patent
Oct 31, 2017
Intention to grant (signatures)
Oct 31, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Oct 31, 2017
Text intended for grant (clean copy)
Oct 31, 2017
Text intended for grant (version for approval)
Aug 30, 2017
Amended claims with annotations
Aug 30, 2017
Amended description with annotations
Aug 30, 2017
Claims
Aug 30, 2017
Description
Aug 30, 2017
French translation of claims
Aug 30, 2017
German translation of the claims
Aug 30, 2017
Payment of fees and costs
Aug 30, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 10, 2017
Bibliographic data of the European patent application
May 10, 2017
Communication about intention to grant a European patent
May 10, 2017
Intention to grant (signatures)
May 10, 2017
Text intended for grant (clean copy)
May 10, 2017
Text intended for grant (version for approval)
Jan 18, 2017
Amended claims with annotations
Jan 18, 2017
Amended description with annotations
Jan 18, 2017
Claims
Jan 18, 2017
Description
Jan 18, 2017
Reply to communication from the Examining Division
Dec 16, 2016
Annex to the communication
Dec 16, 2016
Consultation by telephone/in person (with time limit)
Dec 16, 2016
Result of consultation by telephone/in person
Dec 6, 2016
Examination started
Aug 30, 2016
Notification regarding date of start of examination with possibility to withdraw
May 31, 2016
Information about publication, reminder payment of designation fee, response to extended European search report, if applicable
Apr 28, 2016
Notification of forthcoming publication
Feb 4, 2016
Designation of inventor
Feb 4, 2016
Letter concerning the inventor
Jan 13, 2016
Designation of inventor
Jan 13, 2016
Letter concerning the inventor
Jul 30, 2015
Amended claims filed after receipt of (European) search report
Jul 30, 2015
Amended claims with annotations
Jul 30, 2015
Amended description filed after receipt of (European) search report
Jul 30, 2015
Amended description with annotations
Jul 30, 2015
Amendments received before examination
Jul 30, 2015
Payment of fees and costs
May 13, 2015
Communication regarding the transmission of the European search report
May 13, 2015
European search opinion
May 13, 2015
European search report
Apr 28, 2015
Search started
Mar 30, 2015
CDS Clean up - amended data concerning the representative for the applicant
Mar 26, 2015
Submission concerning representation
Jan 15, 2015
Deficiency in designation of inventor
Nov 24, 2014
Abstract
Nov 24, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Nov 24, 2014
Claims
Nov 24, 2014
Description
Nov 24, 2014
Drawings
Nov 24, 2014
Request for grant of a European patent

EP3023227

SLM SOLUTIONS GROUP

Application Number: EP14194511A
Filing Date: Nov 24, 2014
Status: Opposition Rejected; Mar 11, 2022
Publication Date: Jan 3, 2018
External Links: Slate, Register , Google Patents