IP Verse

Clamping Device For Fixing A Tool In A Machine Tool

Patent No. EP3349931 (titled "Clamping Device For Fixing A Tool In A Machine Tool") was filed by Schunk & Spanntechnik Greiftechnik Automatisierungstechnik on Oct 17, 2016. The application was issued on Aug 16, 2023.

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
KENNAMETAL	Apr 10, 2024	PRINZ & PARTNER 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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Feb 13, 2026
(Electronic) Receipt
Feb 13, 2026
Letter accompanying subsequently filed items
Feb 13, 2026
Request for interpreters during oral proceedings
Dec 16, 2025
Annex to the communication - opposition
Dec 16, 2025
Information concerning oral proceedings
Dec 16, 2025
Scanned annex to a communication - opposition procedure
Dec 16, 2025
Scanned annex to a communication - opposition procedure
Dec 16, 2025
Summons to attend oral proceedings
Dec 16, 2025
Summons to attend oral proceedings
Oct 13, 2025
Notification concerning the date of oral proceedings
Oct 13, 2025
Notification concerning the date of oral proceedings
Oct 9, 2025
Brief communication - Opposition proceedings
Oct 9, 2025
Brief communication - Opposition proceedings
Oct 7, 2025
(Electronic) Receipt
Oct 7, 2025
(Electronic) Receipt
Oct 7, 2025
Letter accompanying subsequently filed items
Oct 7, 2025
Letter accompanying subsequently filed items
Oct 7, 2025
Oral proceedings: Request for postponement
Oct 7, 2025
Request for interpreters during oral proceedings
Oct 2, 2025
Annex to the communication - opposition
Oct 2, 2025
Information concerning oral proceedings
Oct 2, 2025
Scanned annex to a communication - opposition procedure
Oct 2, 2025
Scanned annex to a communication - opposition procedure
Oct 2, 2025
Summons to attend oral proceedings
Oct 2, 2025
Summons to attend oral proceedings
Apr 2, 2025
Brief communication - Opposition proceedings
Mar 28, 2025
(Electronic) Receipt
Mar 28, 2025
Letter accompanying subsequently filed items
Mar 28, 2025
Letter regarding the opposition procedure (no time limit)
Jan 27, 2025
Brief communication - Opposition proceedings
Jan 22, 2025
(Electronic) Receipt
Jan 22, 2025
Citation in opposition procedure - 007
Jan 22, 2025
Citation in opposition procedure - 008
Jan 22, 2025
Consolidated list of cited opposition documents
Jan 22, 2025
Letter accompanying subsequently filed items
Jan 22, 2025
Letter regarding the opposition procedure (no time limit)
Sep 5, 2024
Brief communication - Opposition proceedings
Aug 30, 2024
(Electronic) Receipt
Aug 30, 2024
Letter accompanying subsequently filed items
Aug 30, 2024
Reply of the patent proprietor to the notice(s) of opposition
Apr 30, 2024
Communication of a notice of opposition and request to file observations
Apr 30, 2024
Notice of further oppositions to opponent(s)
Apr 22, 2024
(Electronic) Receipt
Apr 22, 2024
Citation in opposition procedure - 005
Apr 22, 2024
Letter accompanying subsequently filed items
Apr 22, 2024
Letter regarding the opposition procedure (no time limit)
Apr 17, 2024
Communication of a notice of opposition - first information to patent proprietor
Apr 17, 2024
Request for documents
Apr 10, 2024
(Electronic) Receipt
Apr 10, 2024
Citation in opposition procedure - 001
Apr 10, 2024
Citation in opposition procedure - 001
Apr 10, 2024
Citation in opposition procedure - 002
Apr 10, 2024
Citation in opposition procedure - 003
Apr 10, 2024
Citation in opposition procedure - 004
Apr 10, 2024
Citation in opposition procedure - 005
Apr 10, 2024
Citation in opposition procedure - 006
Apr 10, 2024
Notice of opposition
Apr 10, 2024
Notice of opposition
Jul 25, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 10, 2023
Communication concerning a request to change bibliographic data after the decision to grant/decision to maintain the patent in a
Jul 3, 2023
Communication of the registration of a transfer or change of name and/or address
Jun 28, 2023
(Electronic) Receipt
Jun 28, 2023
Annexes in respect of a client data request
Jun 28, 2023
Letter accompanying subsequently filed items (CDR)
Jun 28, 2023
Request for correction of the publication
Jun 15, 2023
Decision to grant a European patent
Jun 2, 2023
(Electronic) Receipt
Jun 2, 2023
English translation of the claims
Jun 2, 2023
Filing of the translations of the claims
Jun 2, 2023
French translation of claims
Jun 2, 2023
Letter accompanying subsequently filed items
Apr 6, 2023
Annex to the communication about intention to grant a European patent
Apr 6, 2023
Bibliographic data of the European patent application
Apr 6, 2023
Communication about intention to grant a European patent
Apr 6, 2023
Intention to grant (signatures)
Apr 6, 2023
Text intended for grant (clean copy)
Apr 6, 2023
Text intended for grant (version for approval)
Oct 6, 2022
Response to enquiry for communication from the Examining Division
Sep 23, 2022
(Electronic) Receipt
Sep 23, 2022
Enquiry as to the processing of the file
Sep 23, 2022
Letter accompanying subsequently filed items
Jan 4, 2022
Refund of fees
Dec 10, 2021
(Electronic) Receipt
Dec 10, 2021
Citation for the examination procedure
Dec 10, 2021
Citation for the examination procedure
Dec 10, 2021
Citation for the examination procedure
Dec 10, 2021
Letter accompanying subsequently filed items
Dec 10, 2021
Reply to communication from the Examining Division
Oct 26, 2021
Grant of extension of time limit (examination procedure)
Oct 21, 2021
(Electronic) Receipt
Oct 21, 2021
Letter accompanying subsequently filed items
Oct 21, 2021
Request for extension of time limit to communication from the Examining Division
Jun 11, 2021
Annex to the communication
Jun 11, 2021
Communication from the Examining Division
Jun 7, 2021
Examination started
Dec 21, 2020
Response to enquiry for communication from the Examining Division
Dec 3, 2020
(Electronic) Receipt
Dec 3, 2020
Enquiry as to the processing of the file
Dec 3, 2020
Letter accompanying subsequently filed items
Feb 21, 2019
Priority search results
Feb 21, 2019
Reply to invitation to file a copy of priority search results
Feb 15, 2019
Invitation to file a copy of search results(priority)
Aug 9, 2018
Submission concerning representation
Aug 3, 2018
Amended claims filed after receipt of (European) search report
Aug 3, 2018
Amended claims with annotations
Aug 3, 2018
Amended description filed after receipt of (European) search report
Aug 3, 2018
Amended description with annotations
Aug 3, 2018
Amendments received before examination
Aug 1, 2018
Amended claims filed after receipt of (European) search report
Aug 1, 2018
Amended claims with annotations
Aug 1, 2018
Amended description filed after receipt of (European) search report
Aug 1, 2018
Amended description with annotations
Aug 1, 2018
Amendments received before examination
Jun 29, 2018
Letter concerning fees and payments
Jun 27, 2018
Letter concerning fees and payments
Jun 27, 2018
Notification on forthcoming publication of bibliographic data
Jun 26, 2018
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jun 20, 2018
Notice on debiting of fees
May 18, 2018
Communication to designated inventor
May 18, 2018
Communication to designated inventor
Apr 30, 2018
Copy of the international preliminary report on patentability
Mar 12, 2018
Notification of the recording of a change
Mar 12, 2018
Notification of the recording of a change
Dec 13, 2017
Matter concerning the application
Dec 7, 2017
Matter concerning the application
Nov 28, 2017
Information regarding early processing
Nov 22, 2017
(Electronic) Receipt
Nov 22, 2017
Amended claims filed after receipt of (European) search report
Nov 22, 2017
Request for entry into the European phase
May 9, 2017
Priority document (electronically transmitted)
Apr 20, 2017
Copy of the international search report
Apr 20, 2017
Copy of the international search report
Apr 20, 2017
Published international application - A1
Jan 11, 2017
Written opinion of the ISA, boxes No. I to VIII
Jan 11, 2017
Written opinion of the ISA, cover sheet
Jan 11, 2017
Written opinion of the ISA, supplemental box
Nov 3, 2016
Incoming letter related to PCT RO
Oct 27, 2016
Document concerning fees and payments
Oct 21, 2016
Notification of the international application number and of the international filing date
Oct 17, 2016
(Electronic) Receipt
Oct 17, 2016
Abstract
Oct 17, 2016
Claims
Oct 17, 2016
Description
Oct 17, 2016
Document concerning fees and payments
Oct 17, 2016
Drawings
Oct 17, 2016
Electronic request for grant of an International application

EP3349931

SCHUNK & SPANNTECHNIK GREIFTECHNIK AUTOMATISIERUNGSTECHNIK

Application Number: EP16787364A
Filing Date: Oct 17, 2016
Status: Granted And Under Opposition; Jun 9, 2023
Publication Date: Aug 16, 2023
External Links: Slate, Register , Google Patents