Additive Manufacturing Method For Printing Three-Dimensional Parts With Purge Towers

Patent No. EP2964450 (titled "Additive Manufacturing Method For Printing Three-Dimensional Parts With Purge Towers") was filed by Stratasys on Feb 24, 2014. The application was issued on May 8, 2024.

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
MEISSNER BOLTE PATENTANWALTE RECHTSANWALTE PARTNERSCHAFT MBB	May 25, 2021	MEISSNER BOLTE DUSSELDORF PATENTANWALTE RECHTSANWALTE PARTNERSCHAFT MBB

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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Apr 11, 2024
Decision to maintain the European patent in amended form
Jan 16, 2024
(Electronic) Receipt
Jan 16, 2024
Filing of the translation of the amended claims
Jan 16, 2024
French translation of claims
Jan 16, 2024
German translation of the claims
Jan 16, 2024
Letter accompanying subsequently filed items
Dec 18, 2023
Communication of bibliographic data
Dec 18, 2023
Communication with request to file translations
Dec 11, 2023
Maintenance of the patent with the documents specified in the final decision
Aug 28, 2023
Annex to the communication - opposition
Aug 28, 2023
Decision of the Opposition Division and instruction
Aug 28, 2023
Druckexemplar in opposition procedure
Aug 28, 2023
Grounds for the decision (Annex) - opposition
Aug 28, 2023
Interlocutory decision in opposition proceedings
Aug 28, 2023
Means of redress
Aug 28, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 28, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 28, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 28, 2023
Provision of a copy of the minutes - opposition procedure
Aug 28, 2023
Scanned annex to a communication - opposition procedure
Aug 28, 2023
Transmittal of decision / summons - opposition
Jul 20, 2023
(Electronic) Receipt
Jul 20, 2023
General enquiry
Jul 20, 2023
Letter accompanying subsequently filed items
Dec 1, 2022
Information about the result of oral proceedings
Sep 29, 2022
(Electronic) Receipt
Sep 29, 2022
Auxiliary request during Opposition procedure
Sep 29, 2022
Auxiliary request during Opposition procedure
Sep 29, 2022
Auxiliary request during Opposition procedure
Sep 29, 2022
Auxiliary request during Opposition procedure
Sep 29, 2022
Auxiliary request during Opposition procedure - 01
Sep 29, 2022
Auxiliary request during Opposition procedure - 02
Sep 29, 2022
Auxiliary request during Opposition procedure - 03
Sep 29, 2022
Auxiliary request during Opposition procedure - 04
Sep 29, 2022
Letter accompanying subsequently filed items
Sep 29, 2022
Written submission in preparation to/during oral proceedings
Sep 29, 2022
Written submission in preparation to/during oral proceedings
Sep 26, 2022
(Electronic) Receipt
Sep 26, 2022
Letter accompanying subsequently filed items
Jun 15, 2022
Notification concerning the date of oral proceedings
Jun 2, 2022
Notification concerning the date of oral proceedings
May 27, 2022
Brief communication - Opposition proceedings
May 27, 2022
Brief communication - Opposition proceedings
May 23, 2022
(Electronic) Receipt
May 23, 2022
Letter accompanying subsequently filed items
May 23, 2022
Withdrawal of an opposition
Feb 24, 2022
Advice of delivery
Feb 22, 2022
Annex to the communication - opposition
Feb 22, 2022
Information concerning oral proceedings
Feb 22, 2022
Summons to attend oral proceedings
Feb 22, 2022
Summons to attend oral proceedings
Feb 22, 2022
Transmittal of decision / summons - opposition
Feb 22, 2022
Transmittal of decision / summons - opposition
Dec 23, 2021
Brief communication - Opposition proceedings
Dec 17, 2021
(Electronic) Receipt
Dec 17, 2021
Letter accompanying subsequently filed items
Dec 17, 2021
Letter regarding the opposition procedure (no time limit)
Oct 15, 2021
Brief communication - Opposition proceedings
Oct 11, 2021
(Electronic) Receipt
Oct 11, 2021
Any annexes (other than citation) to an opposition letter
Oct 11, 2021
Auxiliary request during Opposition procedure
Oct 11, 2021
Auxiliary request during Opposition procedure
Oct 11, 2021
Auxiliary request during Opposition procedure
Oct 11, 2021
Auxiliary request during Opposition procedure
Oct 11, 2021
Auxiliary request during Opposition procedure
Oct 11, 2021
Auxiliary request during Opposition procedure
Oct 11, 2021
Auxiliary request during Opposition procedure - 01
Oct 11, 2021
Auxiliary request during Opposition procedure - 02
Oct 11, 2021
Auxiliary request during Opposition procedure - 03
Oct 11, 2021
Auxiliary request during Opposition procedure - 04
Oct 11, 2021
Auxiliary request during Opposition procedure - 05
Oct 11, 2021
Auxiliary request during Opposition procedure - 06
Oct 11, 2021
Letter accompanying subsequently filed items
Oct 11, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jun 10, 2021
Communication of a notice of opposition and request to file observations
Jun 10, 2021
Notice of further oppositions to opponent(s)
Jun 8, 2021
Refund of fees
Jun 2, 2021
Communication of a notice of opposition - first information to patent proprietor
May 26, 2021
(Electronic) Receipt
May 25, 2021
(Electronic) Receipt
May 25, 2021
Any annexes (other than citation) to an opposition letter
May 25, 2021
Citation in opposition procedure - 001
May 25, 2021
Citation in opposition procedure - 002
May 25, 2021
Citation in opposition procedure - 003
May 25, 2021
Citation in opposition procedure - 004
May 25, 2021
Citation in opposition procedure - 005
May 25, 2021
Citation in opposition procedure - 005
May 25, 2021
Citation in opposition procedure - 006
May 25, 2021
Consolidated list of cited opposition documents
May 25, 2021
Notice of opposition
May 25, 2021
Notice of opposition
Sep 7, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 30, 2020
Decision to grant a European patent
Jul 20, 2020
(Electronic) Receipt
Jul 20, 2020
Filing of the translations of the claims
Jul 20, 2020
French translation of claims
Jul 20, 2020
German translation of the claims
Jul 20, 2020
Letter accompanying subsequently filed items
May 19, 2020
Bibliographic data of the European patent application
May 19, 2020
Communication about intention to grant a European patent
May 19, 2020
Intention to grant (signatures)
May 19, 2020
Text intended for grant (clean copy)
May 19, 2020
Text intended for grant (version for approval)
Oct 28, 2019
(Electronic) Receipt
Oct 28, 2019
Amended claims with annotations
Oct 28, 2019
Claims
Oct 28, 2019
Letter accompanying subsequently filed items
Oct 28, 2019
Letter relating to the search and/or examination procedure
Oct 28, 2019
Reply to communication from the Examining Division
Jul 30, 2019
Annex to the communication
Jul 30, 2019
Communication from the Examining Division
Jan 24, 2019
(Electronic) Receipt
Jan 24, 2019
Amended claims with annotations
Jan 24, 2019
Claims
Jan 24, 2019
Letter accompanying subsequently filed items
Jan 24, 2019
Reply to communication from the Examining Division
Nov 5, 2018
Annex to the communication
Nov 5, 2018
Communication from the Examining Division
Oct 29, 2018
Examination started
Aug 17, 2017
(Electronic) Receipt
Aug 17, 2017
Amended claims filed after receipt of (European) search report
Aug 17, 2017
Amended claims with annotations
Aug 17, 2017
Amendments received before examination
Aug 17, 2017
Letter accompanying subsequently filed items
Feb 23, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Feb 6, 2017
Communication regarding the transmission of the European search report
Feb 6, 2017
European search opinion
Feb 6, 2017
Information on Search Strategy
Feb 6, 2017
Supplementary European search report
Nov 2, 2016
Communication regarding the transmission of the European search report
Nov 2, 2016
Information on Search Strategy
Nov 2, 2016
Partial European search report
Oct 7, 2016
Search started
Jul 4, 2016
CDS Clean up - amended data concerning the representative of the applicant (Association)
Apr 4, 2016
(Electronic) Receipt
Apr 4, 2016
Amended claims filed after receipt of (European) search report
Apr 4, 2016
Amended claims with annotations
Apr 4, 2016
Amendments received before examination
Apr 4, 2016
Letter accompanying subsequently filed items
Dec 16, 2015
Notification on forthcoming publication of bibliographic data
Oct 15, 2015
Communication regarding possible amendment of the application/payment of claims fee
Oct 13, 2015
Communication to designated inventor
Oct 13, 2015
Communication to designated inventor
Oct 13, 2015
Communication to designated inventor
Sep 22, 2015
Copy of the international preliminary report on patentability
Aug 26, 2015
(Electronic) Receipt
Aug 26, 2015
Request for entry into the European phase
Jul 17, 2015
Information on entry into European phase
Oct 1, 2014
Priority document (electronically transmitted)
Sep 12, 2014
Copy of the international search report
Sep 12, 2014
Published international application - A1

EP2964450

STRATASYS

Application Number: EP14760240A
Filing Date: Feb 24, 2014
Status: Patent Maintained As Amended; Apr 5, 2024
Publication Date: May 8, 2024
External Links: Slate, Register , Google Patents

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Additive Manufacturing Method For Printing Three-Dimensional Parts With Purge Towers

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Dossier Documents

EP2964450