Compensating Chuck For Centrally Clamping Workpieces

Patent No. EP3268156 (titled "Compensating Chuck For Centrally Clamping Workpieces") was filed by Henke on Feb 18, 2016. The application was issued on Oct 28, 2020.

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
SCHUNK SPANN UND GREIFTECHNIK	Jul 28, 2021	PAUL & ALBRECHT PATENTANWALTE PARTG 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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Nov 28, 2025
Decision of the Board of Appeal
Nov 28, 2025
F3032 Notification(s) of the decision
Nov 28, 2025
F3032 Notification(s) of the decision
Nov 19, 2025
F3013 Oral Proceedings: Forwarding minutes
Nov 19, 2025
F3013 Oral Proceedings: Forwarding minutes
Nov 19, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Oct 16, 2025
F3345 Forwarding of submissions to parties
Oct 10, 2025
(Electronic) Receipt
Oct 10, 2025
Letter accompanying subsequently filed items
Oct 10, 2025
Request for interpreters during oral proceedings
Sep 25, 2025
(Electronic) Receipt
Sep 25, 2025
Letter accompanying subsequently filed items
Sep 25, 2025
Letter dealing with oral proceedings during the appeal procedure
Sep 19, 2025
F3345 Forwarding of submissions to parties
Sep 12, 2025
(Electronic) Receipt
Sep 12, 2025
Letter accompanying subsequently filed items
Sep 12, 2025
Letter dealing with oral proceedings during the appeal procedure
Sep 1, 2025
F3345 Forwarding of submissions to parties
Aug 27, 2025
(Electronic) Receipt
Aug 27, 2025
Letter accompanying subsequently filed items
Aug 27, 2025
Letter dealing with oral proceedings during the appeal procedure
May 28, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 28, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 17, 2024
F3011.2 Oral Proceedings: Summons VICO
Dec 17, 2024
F3011.2 Oral Proceedings: Summons VICO
Dec 12, 2024
F3010 Oral proceedings: order for summons
Jul 1, 2024
Composition of the board (T)
Jun 21, 2024
F3345 Forwarding of submissions to parties
Jun 17, 2024
(Electronic) Receipt
Jun 17, 2024
Letter accompanying subsequently filed items
Jun 17, 2024
Letter relating to Appeal Procedure
May 7, 2024
F3345 Forwarding of submissions to parties
May 2, 2024
(Electronic) Receipt
May 2, 2024
Letter accompanying subsequently filed items
May 2, 2024
Letter relating to Appeal Procedure
Dec 21, 2023
F3345 Forwarding of submissions to parties
Dec 18, 2023
(Electronic) Receipt
Dec 18, 2023
Amended claims with annotations
Dec 18, 2023
Amended claims with annotations
Dec 18, 2023
Amended claims with annotations
Dec 18, 2023
Amended claims with annotations
Dec 18, 2023
Amended claims with annotations
Dec 18, 2023
Amended claims with annotations
Dec 18, 2023
Amended claims with annotations
Dec 18, 2023
Amended claims with annotations
Dec 18, 2023
Auxiliary request during appeals procedure - 01
Dec 18, 2023
Auxiliary request during appeals procedure - 02
Dec 18, 2023
Auxiliary request during appeals procedure - 03
Dec 18, 2023
Auxiliary request during appeals procedure - 04
Dec 18, 2023
Auxiliary request during appeals procedure - 05
Dec 18, 2023
Auxiliary request during appeals procedure - 06
Dec 18, 2023
Auxiliary request during appeals procedure - 07
Dec 18, 2023
Auxiliary request during appeals procedure - 08
Dec 18, 2023
Letter accompanying subsequently filed items
Dec 18, 2023
Reply to appeal
Aug 8, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 7, 2023
(Electronic) Receipt
Aug 7, 2023
Letter accompanying subsequently filed items
Aug 7, 2023
Statement of grounds of appeal
Jun 6, 2023
F3204 Communication of the file number to the parties
Jun 6, 2023
F3204 Communication of the file number to the parties
May 31, 2023
(Electronic) Receipt
May 31, 2023
Letter accompanying subsequently filed items
May 31, 2023
Notice of appeal
Apr 6, 2023
Annex to the communication - opposition
Apr 6, 2023
Decision of the Opposition Division and instruction
Apr 6, 2023
Decision rejecting the opposition
Apr 6, 2023
Decision rejecting the opposition
Apr 6, 2023
Grounds for the decision (Annex) - opposition
Apr 6, 2023
Means of redress
Apr 6, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 6, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 6, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 6, 2023
Provision of a copy of the minutes - opposition procedure
Apr 6, 2023
Provision of a copy of the minutes - opposition procedure
Apr 6, 2023
Transmittal of decision / summons - opposition
Apr 6, 2023
Transmittal of decision / summons - opposition
Jan 24, 2023
Information about the result of oral proceedings
Jan 16, 2023
Result of consultation by telephone/in person
Dec 23, 2022
Brief communication - Opposition proceedings
Dec 20, 2022
(Electronic) Receipt
Dec 20, 2022
Letter accompanying subsequently filed items
Dec 20, 2022
Written submission in preparation to/during oral proceedings
Dec 19, 2022
(Electronic) Receipt
Dec 2, 2022
(Electronic) Receipt
Nov 29, 2022
Brief communication - Opposition proceedings
Nov 28, 2022
Notification concerning the date of oral proceedings
Nov 28, 2022
Notification concerning the date of oral proceedings
Nov 24, 2022
(Electronic) Receipt
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure - 01
Nov 24, 2022
Auxiliary request during Opposition procedure - 02
Nov 24, 2022
Auxiliary request during Opposition procedure - 03
Nov 24, 2022
Auxiliary request during Opposition procedure - 04
Nov 24, 2022
Auxiliary request during Opposition procedure - 05
Nov 24, 2022
Auxiliary request during Opposition procedure - 06
Nov 24, 2022
Auxiliary request during Opposition procedure - 07
Nov 24, 2022
Auxiliary request during Opposition procedure - 08
Nov 24, 2022
Letter accompanying subsequently filed items
Nov 24, 2022
Written submission in preparation to/during oral proceedings
Oct 11, 2022
Brief communication - Opposition proceedings
Oct 5, 2022
(Electronic) Receipt
Oct 5, 2022
Letter accompanying subsequently filed items
Oct 5, 2022
Written submission in preparation to/during oral proceedings
May 31, 2022
Brief communication - Opposition proceedings
May 24, 2022
(Electronic) Receipt
May 24, 2022
Letter accompanying subsequently filed items
May 24, 2022
Request for interpreters during oral proceedings
May 24, 2022
Written submission in preparation to/during oral proceedings
Apr 11, 2022
Advice of delivery
Apr 11, 2022
Annex to the communication - opposition
Apr 11, 2022
Information concerning oral proceedings
Apr 11, 2022
Summons to attend oral proceedings
Apr 11, 2022
Summons to attend oral proceedings
Apr 11, 2022
Transmittal of decision / summons - opposition
Apr 11, 2022
Transmittal of decision / summons - opposition
Jan 4, 2022
Brief communication - Opposition proceedings
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Letter accompanying subsequently filed items
Dec 22, 2021
Letter regarding the opposition procedure (no time limit)
Oct 26, 2021
Brief communication - Opposition proceedings
Oct 20, 2021
(Electronic) Receipt
Oct 20, 2021
Letter accompanying subsequently filed items
Oct 20, 2021
Reply of the patent proprietor to the notice(s) of opposition
Aug 11, 2021
Communication of a notice of opposition and request to file observations
Aug 11, 2021
Notice of further oppositions to opponent(s)
Aug 2, 2021
Communication of a notice of opposition - first information to patent proprietor
Jul 28, 2021
(Electronic) Receipt
Jul 28, 2021
Citation in opposition procedure - 001
Jul 28, 2021
Citation in opposition procedure - 002
Jul 28, 2021
Citation in opposition procedure - 003
Jul 28, 2021
Citation in opposition procedure - 004
Jul 28, 2021
Citation in opposition procedure - 005
Jul 28, 2021
Consolidated list of cited opposition documents
Jul 28, 2021
Letter accompanying subsequently filed items
Jul 28, 2021
Notice of opposition
Nov 9, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 1, 2020
Decision to grant a European patent
Sep 25, 2020
Intention to grant (signatures)
Sep 17, 2020
Bibliographic data of the European patent application
Sep 17, 2020
Information about intention to grant a patent
Sep 17, 2020
Text intended for grant (clean copy)
Sep 17, 2020
Text intended for grant (version for approval)
Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
Amended claims with annotations
Jul 30, 2020
Claims
Jul 30, 2020
English translation of the claims
Jul 30, 2020
French translation of claims
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 30, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Mar 31, 2020
Bibliographic data of the European patent application
Mar 31, 2020
Communication about intention to grant a European patent
Mar 31, 2020
Intention to grant (signatures)
Mar 31, 2020
Text intended for grant (clean copy)
Mar 31, 2020
Text intended for grant (version for approval)
Feb 27, 2020
Examination started
Aug 23, 2019
Response to enquiry for communication from the Examining Division
Aug 9, 2019
(Electronic) Receipt
Aug 9, 2019
Enquiry as to the processing of the file
Aug 9, 2019
Letter accompanying subsequently filed items
Aug 6, 2018
(Electronic) Receipt
Aug 6, 2018
Letter accompanying subsequently filed items
Aug 6, 2018
Statement of non-availability of priority search results
Jul 18, 2018
Communication of the registration of a transfer or change of name and/or address
Jul 18, 2018
Communication to designated inventor
Jul 3, 2018
(Electronic) Receipt
Jul 3, 2018
Annexes in respect of a client data request
Jul 3, 2018
Letter accompanying subsequently filed items
Jul 3, 2018
Miscellaneous requests concerning client data
Jun 29, 2018
(Electronic) Receipt
Jun 29, 2018
Letter accompanying subsequently filed items
Jun 29, 2018
Statement of non-availability of priority search results
Jun 21, 2018
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Jun 7, 2018
Invitation to file a copy of search results(priority)
Jun 5, 2018
(Electronic) Receipt
Jun 5, 2018
Annexes in respect of a client data request
Jun 5, 2018
Annexes in respect of a client data request
Jun 5, 2018
Letter accompanying subsequently filed items
Jun 5, 2018
Submission concerning a transfer of rights (applicant)
Jan 8, 2018
(Electronic) Receipt
Jan 8, 2018
Letter accompanying subsequently filed items
Jan 8, 2018
Reply to Written Opinion prepared by the EPO
Dec 20, 2017
Notification on forthcoming publication of bibliographic data
Oct 24, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 25, 2017
Copy of the international preliminary report on patentability
Sep 12, 2017
(Electronic) Receipt
Sep 12, 2017
Amended claims filed after receipt of (European) search report
Sep 12, 2017
Amended claims with annotations
Sep 12, 2017
Request for entry into the European phase
Jul 19, 2017
Information on entry into European phase
Oct 6, 2016
Priority document (electronically transmitted)
Sep 15, 2016
Copy of the international search report
Sep 15, 2016
Copy of the international search report
Sep 15, 2016
Published international application - A1
May 6, 2016
Written opinion of the ISA, boxes No. I to VIII
May 6, 2016
Written opinion of the ISA, cover sheet
May 6, 2016
Written opinion of the ISA, supplemental box
Mar 2, 2016
Incoming letter related to PCT RO
Feb 24, 2016
Notification of the international application number and of the international filing date
Feb 18, 2016
(Electronic) Receipt
Feb 18, 2016
Abstract
Feb 18, 2016
Claims
Feb 18, 2016
Description
Feb 18, 2016
Document concerning fees and payments
Feb 18, 2016
Drawings
Feb 18, 2016
Electronic request for grant of an International application

EP3268156

HENKE

Application Number: EP16704853A
Filing Date: Feb 18, 2016
Status: Granted And Under Opposition; Sep 25, 2020
Publication Date: Oct 28, 2020
External Links: Slate, Register , Google Patents

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Compensating Chuck For Centrally Clamping Workpieces

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Dossier Documents

EP3268156