An Additive Manufacturing Method And Apparatus

Patent No. EP3377251 (titled "An Additive Manufacturing Method And Apparatus") was filed by Renishaw on Nov 14, 2016. The application was issued on Jun 26, 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
SIEMENS ENERGY	Mar 26, 2025	-

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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Jul 1, 2026
(Electronic) Receipt
Jul 1, 2026
Letter accompanying subsequently filed items
Jul 1, 2026
Written submission in preparation to/during oral proceedings
Jun 23, 2026
Brief communication - opposition proceedings
Jun 22, 2026
(Electronic) Receipt
Jun 22, 2026
Letter accompanying subsequently filed items
Jun 22, 2026
Written submission in preparation to/during oral proceedings
Jun 19, 2026
Brief communication - opposition proceedings
Jun 18, 2026
(Electronic) Receipt
Jun 18, 2026
Letter accompanying subsequently filed items
Jun 18, 2026
Request for interpreters during oral proceedings
Feb 26, 2026
Annex to the communication - opposition
Feb 26, 2026
Information concerning oral proceedings
Feb 26, 2026
Scanned annex to a communication - opposition procedure
Feb 26, 2026
Scanned annex to a communication - opposition procedure
Feb 26, 2026
Summons to attend oral proceedings
Feb 26, 2026
Summons to attend oral proceedings
Aug 11, 2025
Brief communication - Opposition proceedings
Aug 6, 2025
(Electronic) Receipt
Aug 6, 2025
Auxiliary request during Opposition procedure - 01
Aug 6, 2025
Auxiliary request during Opposition procedure - 02
Aug 6, 2025
Auxiliary request during Opposition procedure - 03
Aug 6, 2025
Auxiliary request during Opposition procedure - 04
Aug 6, 2025
Auxiliary request during Opposition procedure - 05
Aug 6, 2025
Letter accompanying subsequently filed items
Aug 6, 2025
Reply of the patent proprietor to the notice(s) of opposition
Apr 9, 2025
Communication of a notice of opposition and request to file observations
Apr 9, 2025
Notice of further oppositions to opponent(s)
Mar 31, 2025
Communication of a notice of opposition - first information to patent proprietor
Mar 26, 2025
(Electronic) Receipt
Mar 26, 2025
Any annexes (other than citation) to an opposition letter
Mar 26, 2025
Citation in opposition procedure - 001
Mar 26, 2025
Citation in opposition procedure - 001
Mar 26, 2025
Citation in opposition procedure - 002
Mar 26, 2025
Citation in opposition procedure - 003
Mar 26, 2025
Citation in opposition procedure - 003
Mar 26, 2025
Citation in opposition procedure - 004
Mar 26, 2025
Citation in opposition procedure - 005
Mar 26, 2025
Citation in opposition procedure - 006
Mar 26, 2025
Citation in opposition procedure - 007
Mar 26, 2025
Citation in opposition procedure - 008
Mar 26, 2025
Citation in opposition procedure - 009
Mar 26, 2025
Citation in opposition procedure - 010
Mar 26, 2025
Citation in opposition procedure - 011
Mar 26, 2025
Citation in opposition procedure - 012
Mar 26, 2025
Consolidated list of cited opposition documents
Mar 26, 2025
Notice of opposition
Mar 26, 2025
Notice of opposition
Jul 9, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 31, 2024
Decision to grant a European patent
May 16, 2024
(Electronic) Receipt
May 16, 2024
French translation of claims
May 16, 2024
German translation of the claims
May 16, 2024
Letter accompanying subsequently filed items
Jan 25, 2024
Annex to the communication about intention to grant a European patent
Jan 25, 2024
Bibliographic data of the European patent application
Jan 25, 2024
Communication about intention to grant a European patent
Jan 25, 2024
Intention to grant (signatures)
Jan 25, 2024
Text intended for grant (clean copy)
Jan 25, 2024
Text intended for grant (version for approval)
Apr 14, 2023
(Electronic) Receipt
Apr 14, 2023
Amended claims with annotations
Apr 14, 2023
Amended description with annotations
Apr 14, 2023
Claims
Apr 14, 2023
Description
Apr 14, 2023
Drawings
Apr 14, 2023
Letter accompanying subsequently filed items
Apr 14, 2023
Reply to communication from the Examining Division
Feb 6, 2023
Annex to the communication
Feb 6, 2023
Consultation by telephone/in person (with time limit)
Feb 6, 2023
Result of consultation by telephone/in person
Sep 21, 2020
(Electronic) Receipt
Sep 21, 2020
Letter accompanying subsequently filed items
Sep 21, 2020
Reply to communication from the Examining Division
Jul 13, 2020
Grant of extension of time limit (examination procedure)
Jul 8, 2020
(Electronic) Receipt
Jul 8, 2020
Letter accompanying subsequently filed items
Jul 8, 2020
Request for extension of time limit to communication from the Examining Division
Mar 18, 2020
Annex to the communication
Mar 18, 2020
Communication from the Examining Division
Jan 8, 2020
(Electronic) Receipt
Jan 8, 2020
Amended claims with annotations
Jan 8, 2020
Claims
Jan 8, 2020
Letter accompanying subsequently filed items
Jan 8, 2020
Reply to communication from the Examining Division
Sep 6, 2019
Annex to the communication
Sep 6, 2019
Communication from the Examining Division
May 2, 2019
(Electronic) Receipt
May 2, 2019
Amended claims with annotations
May 2, 2019
Annex
May 2, 2019
Claims
May 2, 2019
Letter accompanying subsequently filed items
May 2, 2019
Reply to communication from the Examining Division
Jan 2, 2019
Annex to the communication
Jan 2, 2019
Communication from the Examining Division
Dec 10, 2018
Examination started
Sep 10, 2018
(Electronic) Receipt
Sep 10, 2018
Letter accompanying subsequently filed items
Sep 10, 2018
Statement of non-availability of priority search results
Sep 5, 2018
Invitation to file a copy of search results(priority)
Aug 29, 2018
Notification on forthcoming publication of bibliographic data
Aug 25, 2018
Priority search results copy provided by EPO
Jul 2, 2018
Communication for party to proceedings/third party
Jun 25, 2018
Communication to designated inventor
Jun 25, 2018
Communication to designated inventor
Jun 25, 2018
Communication to designated inventor
Jun 25, 2018
Communication to designated inventor
Jun 14, 2018
(Electronic) Receipt
Jun 14, 2018
Amended claims filed after receipt of (European) search report
Jun 14, 2018
Amended claims with annotations
Jun 14, 2018
Amended description filed after receipt of (European) search report
Jun 14, 2018
Amended description with annotations
Jun 14, 2018
Amended drawings filed after receipt of (European) search report
Jun 14, 2018
Amendments received before examination
Jun 14, 2018
Request for entry into the European phase
Jun 5, 2018
Copy of the international preliminary report on patentability
Apr 3, 2018
Information on entry into European phase
Jun 14, 2017
Priority document (electronically transmitted)
Jun 14, 2017
Priority document (electronically transmitted)
Jun 14, 2017
Priority document (electronically transmitted)
Jun 14, 2017
Priority document (electronically transmitted)
May 26, 2017
Copy of the international search report
May 26, 2017
Published international application - A1
Apr 26, 2017
ISR: cited documents
Apr 24, 2017
Written opinion of the ISA, boxes No. I to VIII
Apr 24, 2017
Written opinion of the ISA, cover sheet
Apr 24, 2017
Written opinion of the ISA, supplemental box
Feb 24, 2017
Partial International Search Report
Dec 9, 2016
Incoming letter related to ISA procedure
Dec 9, 2016
Notification Concerning Documents Transmitted (copy for ISA/EP)
Dec 9, 2016
Substitute sheet (Rule 26) - drawings for ISA/EP
Nov 29, 2016
Notification of receipt of Search copy
Nov 18, 2016
Abstract
Nov 18, 2016
Claims
Nov 18, 2016
Description
Nov 18, 2016
Drawings
Nov 18, 2016
Fee calculation sheet for an international application
Nov 18, 2016
Invitation to Correct Defects in the International Application (copy for ISA/EP)
Nov 18, 2016
Notification Concerning Documents Transmitted (copy for ISA/EP)
Nov 18, 2016
Notification Concerning Payment of Prescribed Fees (copy for ISA/EP)
Nov 18, 2016
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Nov 18, 2016
Request form for international application (copy for ISA/EP)

EP3377251

RENISHAW

Application Number: EP16797628A
Filing Date: Nov 14, 2016
Status: Granted And Under Opposition; May 24, 2024
Publication Date: Jun 26, 2024
External Links: Slate, Register , Google Patents

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An Additive Manufacturing Method And Apparatus

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Dossier Documents

EP3377251