Double Dressing Unit

Patent No. EP2823924 (titled "Double Dressing Unit") was filed by Liebherr Verzahntechnik on Jun 10, 2014. The application was issued on Jan 1, 2025.

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
REISHAUER	May 5, 2021	DETKEN

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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Dec 5, 2024
Decision to maintain the European patent in amended form
Dec 5, 2024
Decision to maintain the European patent in amended form
Nov 28, 2024
(Electronic) Receipt
Nov 28, 2024
English translation of the claims
Nov 28, 2024
Filing of the translation of the amended claims
Nov 28, 2024
French translation of claims
Oct 15, 2024
Refund of fees
Sep 20, 2024
Communication of bibliographic data
Sep 20, 2024
Communication to opponent concerning maintenance
Sep 20, 2024
Communication with request to file translations
Sep 20, 2024
Refund of fees
Sep 17, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Sep 17, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Sep 17, 2024
Maintenance of the patent with the documents specified in the final decision
Sep 16, 2024
Maintenance of the patent with the documents specified in the final decision
Sep 9, 2024
F3345 Forwarding of submissions to parties
Sep 6, 2024
Composition of the board (T)
Aug 29, 2024
(Electronic) Receipt
Aug 29, 2024
Letter accompanying subsequently filed items
Aug 29, 2024
Withdrawal of an appeal
Jul 10, 2024
F3204 Communication of the file number to the parties
Jul 10, 2024
F3204 Communication of the file number to the parties
Jul 1, 2024
(Electronic) Receipt
Jul 1, 2024
Notice of appeal
May 3, 2024
Annex to the communication - opposition
May 3, 2024
Brief communication - Opposition proceedings
May 3, 2024
Brief communication - Opposition proceedings
May 3, 2024
Decision of the Opposition Division and instruction
May 3, 2024
Druckexemplar in opposition procedure
May 3, 2024
Grounds for the decision (Annex) - opposition
May 3, 2024
Interlocutory decision in opposition proceedings
May 3, 2024
Interlocutory decision in opposition proceedings
May 3, 2024
Means of redress
May 3, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 3, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 3, 2024
Minutes of the taking of evidence
May 3, 2024
Provision of a copy of the minutes - opposition procedure
May 3, 2024
Provision of a copy of the minutes - opposition procedure
May 3, 2024
Scanned annex to a communication - opposition procedure
May 3, 2024
Scanned annex to a communication - opposition procedure
May 3, 2024
Scanned annex to a communication - opposition procedure
Jan 11, 2024
Information about the result of oral proceedings
Jan 5, 2024
Brief communication - Opposition proceedings
Jan 2, 2024
Brief communication - Opposition proceedings
Dec 22, 2023
(Electronic) Receipt
Dec 22, 2023
Letter accompanying subsequently filed items
Dec 22, 2023
Written submission in preparation to/during oral proceedings
Dec 20, 2023
(Electronic) Receipt
Dec 20, 2023
Citation in opposition procedure - 001
Dec 20, 2023
Citation in opposition procedure - 007
Dec 20, 2023
Consolidated list of cited opposition documents
Dec 20, 2023
Letter accompanying subsequently filed items
Dec 20, 2023
Written submission in preparation to/during oral proceedings
Nov 15, 2023
Brief communication - Opposition proceedings
Nov 15, 2023
Brief communication - Opposition proceedings
Nov 10, 2023
(Electronic) Receipt
Nov 10, 2023
(Electronic) Receipt
Nov 10, 2023
Citation in opposition procedure - 006
Nov 10, 2023
Letter accompanying subsequently filed items
Nov 10, 2023
Written submission in preparation to/during oral proceedings
Nov 10, 2023
Written submission in preparation to/during oral proceedings
Jul 6, 2023
Brief communication - Opposition proceedings
Apr 13, 2023
(Electronic) Receipt
Apr 13, 2023
(Electronic) Receipt
Apr 13, 2023
Letter accompanying subsequently filed items
Apr 13, 2023
Request for interpreters during oral proceedings
Apr 11, 2023
(Electronic) Receipt
Apr 11, 2023
Advice of delivery
Apr 11, 2023
Letter accompanying subsequently filed items
Apr 6, 2023
Brief communication - Opposition proceedings
Mar 31, 2023
(Electronic) Receipt
Mar 31, 2023
Letter accompanying subsequently filed items
Mar 31, 2023
Written submission in preparation to/during oral proceedings
Mar 30, 2023
Brief communication - Opposition proceedings
Mar 24, 2023
Advice of delivery
Mar 24, 2023
Information concerning oral proceedings
Mar 24, 2023
Scanned annex to a communication - opposition procedure
Mar 24, 2023
Summons to attend oral proceedings
Mar 24, 2023
Summons to attend oral proceedings
Mar 24, 2023
Transmittal of decision / summons - opposition
Mar 24, 2023
Transmittal of decision / summons - opposition
Mar 24, 2023
Transmittal of decision / summons - opposition
Mar 20, 2023
Brief communication - Opposition proceedings
Mar 14, 2023
(Electronic) Receipt
Mar 14, 2023
Letter accompanying subsequently filed items
Mar 14, 2023
Written submission in preparation to/during oral proceedings
Mar 13, 2023
Notification concerning the date of oral proceedings
Mar 13, 2023
Notification concerning the date of oral proceedings
Mar 3, 2023
Brief communication - Opposition proceedings
Feb 28, 2023
(Electronic) Receipt
Feb 28, 2023
Any annexes (other than citation) to an opposition letter
Feb 28, 2023
Letter accompanying subsequently filed items
Feb 28, 2023
Oral proceedings: Request for postponement
Feb 22, 2023
Advice of delivery
Feb 21, 2023
Advice of delivery
Feb 21, 2023
Information concerning oral proceedings
Feb 21, 2023
Notification concerning the date of oral proceedings
Feb 21, 2023
Notification concerning the date of oral proceedings
Feb 21, 2023
Scanned annex to a communication - opposition procedure
Feb 21, 2023
Summons to attend oral proceedings
Feb 21, 2023
Summons to attend oral proceedings
Feb 21, 2023
Transmittal of decision / summons - opposition
Feb 21, 2023
Transmittal of decision / summons - opposition
Feb 21, 2023
Transmittal of decision / summons - opposition
Feb 15, 2023
(Electronic) Receipt
Feb 15, 2023
Any annexes (other than citation) to an opposition letter
Feb 15, 2023
Letter accompanying subsequently filed items
Feb 15, 2023
Oral proceedings: Request for postponement
Feb 13, 2023
Advice of delivery
Feb 13, 2023
Annex to the communication - opposition
Feb 13, 2023
Scanned annex to a communication - opposition procedure
Feb 13, 2023
Transmittal of decision / summons - opposition
Feb 13, 2023
Transmittal of decision / summons - opposition
Feb 13, 2023
Transmittal of decision / summons - opposition
Dec 8, 2022
Annex to the communication - opposition
Dec 8, 2022
Brief communication - Opposition proceedings
Dec 8, 2022
Brief communication - Opposition proceedings
Dec 8, 2022
Enlargement of the examining/opposition division
Dec 8, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 8, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 8, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 8, 2022
Provision of a copy of the minutes - opposition procedure
Dec 8, 2022
Provision of a copy of the minutes - opposition procedure
Dec 1, 2022
Information about the result of oral proceedings
Sep 30, 2022
Brief communication - Opposition proceedings
Sep 28, 2022
Brief communication - Opposition proceedings
Sep 27, 2022
Citation in opposition procedure - 003
Sep 27, 2022
Letter accompanying subsequently filed items
Sep 27, 2022
Written submission in preparation to/during oral proceedings
Sep 23, 2022
(Electronic) Receipt
Sep 23, 2022
Auxiliary request during Opposition procedure
Sep 23, 2022
Auxiliary request during Opposition procedure
Sep 23, 2022
Auxiliary request during Opposition procedure
Sep 23, 2022
Auxiliary request during Opposition procedure
Sep 23, 2022
Auxiliary request during Opposition procedure - 01
Sep 23, 2022
Auxiliary request during Opposition procedure - 03
Sep 23, 2022
Auxiliary request during Opposition procedure - 04
Sep 23, 2022
Auxiliary request during Opposition procedure - 05
Sep 23, 2022
Letter accompanying subsequently filed items
Sep 23, 2022
Written submission in preparation to/during oral proceedings
Jun 20, 2022
Notification concerning the date of oral proceedings
Jun 20, 2022
Notification concerning the date of oral proceedings
Apr 6, 2022
Brief communication - Opposition proceedings
Mar 31, 2022
(Electronic) Receipt
Mar 31, 2022
Letter accompanying subsequently filed items
Mar 31, 2022
Request for interpreters during oral proceedings
Mar 30, 2022
Advice of delivery
Mar 30, 2022
Information concerning oral proceedings
Mar 30, 2022
Summons to attend oral proceedings
Mar 30, 2022
Summons to attend oral proceedings
Mar 30, 2022
Transmittal of decision / summons - opposition
Mar 30, 2022
Transmittal of decision / summons - opposition
Mar 29, 2022
Notification concerning the date of oral proceedings
Mar 29, 2022
Notification concerning the date of oral proceedings
Mar 28, 2022
Brief communication - Opposition proceedings
Mar 22, 2022
Any annexes (other than citation) to an opposition letter
Mar 22, 2022
Oral proceedings: Request for postponement
Mar 21, 2022
Advice of delivery
Mar 21, 2022
Annex to the communication - opposition
Mar 21, 2022
Information concerning oral proceedings
Mar 21, 2022
Summons to attend oral proceedings
Mar 21, 2022
Summons to attend oral proceedings
Mar 21, 2022
Transmittal of decision / summons - opposition
Mar 21, 2022
Transmittal of decision / summons - opposition
Oct 6, 2021
Brief communication - Opposition proceedings
Sep 27, 2021
(Electronic) Receipt
Sep 27, 2021
Auxiliary request during Opposition procedure
Sep 27, 2021
Auxiliary request during Opposition procedure
Sep 27, 2021
Auxiliary request during Opposition procedure - 01
Sep 27, 2021
Auxiliary request during Opposition procedure - 02
Sep 27, 2021
Letter accompanying subsequently filed items
Sep 27, 2021
Reply of the patent proprietor to the notice(s) of opposition
May 21, 2021
Communication of a notice of opposition and request to file observations
May 21, 2021
Notice of further oppositions to opponent(s)
May 10, 2021
Communication of a notice of opposition - first information to patent proprietor
May 5, 2021
(Electronic) Receipt
May 5, 2021
Citation in opposition procedure - 001
May 5, 2021
Citation in opposition procedure - 001
May 5, 2021
Citation in opposition procedure - 001
May 5, 2021
Citation in opposition procedure - 002
May 5, 2021
Citation in opposition procedure - 002
May 5, 2021
Citation in opposition procedure - 003
May 5, 2021
Citation in opposition procedure - 003
May 5, 2021
Citation in opposition procedure - 004
May 5, 2021
Citation in opposition procedure - 005
May 5, 2021
Notice of opposition
May 5, 2021
Notice of opposition
Aug 17, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 9, 2020
Decision to grant a European patent
Jun 26, 2020
(Electronic) Receipt
Jun 26, 2020
English translation of the claims
Jun 26, 2020
French translation of claims
Jun 26, 2020
Letter accompanying subsequently filed items
Apr 3, 2020
Bibliographic data of the European patent application
Apr 3, 2020
Communication about intention to grant a European patent
Apr 3, 2020
Intention to grant (signatures)
Apr 3, 2020
Text intended for grant (clean copy)
Apr 3, 2020
Text intended for grant (version for approval)
Mar 24, 2020
Payment submission rejected
Jan 16, 2020
Amended claims with annotations
Jan 16, 2020
Amended description with annotations
Jan 16, 2020
Claims
Jan 16, 2020
Description
Jan 16, 2020
Reply to communication from the Examining Division
Sep 23, 2019
Annex to the communication
Sep 23, 2019
Communication from the Examining Division
Mar 7, 2019
Amended claims with annotations
Mar 7, 2019
Claims
Mar 7, 2019
Reply to communication from the Examining Division
Dec 14, 2018
Grant of extension of time limit (examination procedure)
Dec 7, 2018
Request for extension of time limit to communication from the Examining Division
Aug 28, 2018
Annex to the communication
Aug 28, 2018
Communication from the Examining Division
Aug 15, 2018
Examination started
Jun 15, 2018
Acknowledgement of receipt of third party observations
Jun 15, 2018
Transmittal of third party observations to applicant
Jun 11, 2018
(Electronic) Receipt
Jun 11, 2018
Letter accompanying subsequently filed items
Jun 11, 2018
Non-patent literature filed by a third party
Jun 11, 2018
Non-patent literature filed by a third party
Jun 11, 2018
Non-patent literature filed by a third party
Jun 11, 2018
Observations by third parties
Jun 11, 2018
Patent document filed by a Third party
Jun 11, 2018
Patent document filed by a Third party
Apr 20, 2016
Amended claims filed after receipt of (European) search report
Apr 20, 2016
Amended claims with annotations
Apr 20, 2016
Amendments received before examination
Apr 20, 2016
Payment of fees and costs
Jan 26, 2016
CDS Clean up - amended data concerning the representative for the applicant
Jan 15, 2016
Submission concerning representation
Oct 26, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 22, 2015
Communication regarding the transmission of the European search report
Sep 22, 2015
European search opinion
Sep 22, 2015
European search report
Sep 3, 2015
Search started
Dec 17, 2014
Notification of forthcoming publication
Aug 1, 2014
Communication to designated inventor
Aug 1, 2014
Communication to designated inventor
Jun 11, 2014
Letter concerning the priority
Jun 11, 2014
Priority document
Jun 10, 2014
Abstract
Jun 10, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jun 10, 2014
Claims
Jun 10, 2014
Description
Jun 10, 2014
Designation of inventor
Jun 10, 2014
Designation of inventor
Jun 10, 2014
Drawings
Jun 10, 2014
Priority search results
Jun 10, 2014
Request for grant of a European patent

EP2823924

LIEBHERR VERZAHNTECHNIK

Application Number: EP14171795A
Filing Date: Jun 10, 2014
Status: Patent Maintained As Amended; Nov 29, 2024
Publication Date: Jan 1, 2025
External Links: Slate, Register , Google Patents

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Dossier Documents

EP2823924