Gear Cutting Machine, End Mill And Profile Trimming Method

Patent No. EP2514546 (titled "Gear Cutting Machine, End Mill And Profile Trimming Method") was filed by Liebherr Verzahntechnik on Apr 2, 2012. The application was issued on May 4, 2016.

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
EUKLID CADCAM	Feb 6, 2017	MAMMEL UND MASER 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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Jun 6, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jun 6, 2018
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
May 31, 2018
Termination of the opposition proceedings with maintenance of patent
Feb 22, 2018
Advice of delivery
Feb 21, 2018
Advice of delivery
Feb 19, 2018
Decision to discontinue the opposition proceedings
Jan 9, 2018
Brief communication - Opposition proceedings
Jan 9, 2018
Brief communication - Opposition proceedings
Jan 4, 2018
Withdrawal of an opposition
Jan 2, 2018
Withdrawal of an opposition
Sep 25, 2017
Brief communication - Opposition proceedings
Sep 18, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jul 13, 2017
Brief communication - Opposition proceedings
Jul 13, 2017
Grant of extension of time limit (opposition procedure)
Jul 6, 2017
Request for extension of time limit
Mar 10, 2017
Communication of a notice of opposition and request to file observations
Mar 10, 2017
Notice of further oppositions to opponent(s)
Feb 13, 2017
Communication of a notice of opposition - first information to patent proprietor
Feb 6, 2017
(Electronic) Receipt
Feb 6, 2017
Authorisation
Feb 6, 2017
Drawings
Feb 6, 2017
Drawings
Feb 6, 2017
Drawings
Feb 6, 2017
Notice of opposition
Feb 6, 2017
Notice of opposition
Feb 6, 2017
Patent document cited during the examination procedure
Feb 6, 2017
Patent document cited during the examination procedure
May 4, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 7, 2016
Decision to grant a European patent
Mar 18, 2016
(Electronic) Receipt
Mar 18, 2016
English translation of the claims
Mar 18, 2016
Filing of the translations of the claims
Mar 18, 2016
French translation of claims
Feb 2, 2016
Bibliographic data of the European patent application
Feb 2, 2016
Communication about intention to grant a European patent
Feb 2, 2016
Intention to grant (signatures)
Feb 2, 2016
Text intended for grant
Jan 28, 2016
Annex to a communication
Jan 28, 2016
Annex to the communication
Jan 28, 2016
Minutes of the oral proceedings (examining division)
Jan 28, 2016
Minutes of the oral proceedings (examining division)
Jan 28, 2016
Minutes of the oral proceedings (examining division)
Jan 28, 2016
Provision of a copy of the minutes of oral proceedings
Jan 26, 2016
CDS Clean up - amended data concerning the representative for the applicant
Jan 18, 2016
Claims submitted during oral proceedings
Jan 18, 2016
Description submitted during oral proceedings
Jan 15, 2016
Submission concerning representation
Jan 14, 2016
Notification concerning the date of oral proceedings
Jan 12, 2016
Findings upon submissions relating to oral proceedings
Jan 11, 2016
Findings upon submissions relating to oral proceedings
Dec 18, 2015
Amended claims with annotations
Dec 18, 2015
Claims
Dec 18, 2015
Drawings
Dec 18, 2015
Letter dealing with oral proceedings
Dec 18, 2015
Non-scannable object
Dec 18, 2015
Non-scannable object
Dec 18, 2015
Non-scannable object
Dec 18, 2015
Non-scannable object
Jun 16, 2015
Advice of delivery
Jun 15, 2015
Advice of delivery
Jun 12, 2015
Acknowledgement of a document
Jun 12, 2015
Annex to the communication
Jun 12, 2015
Preparation for oral proceedings
Jun 12, 2015
Summons to attend oral proceedings
Jan 27, 2015
Amended claims with annotations
Jan 27, 2015
Claims
Jan 27, 2015
Drawings
Jan 27, 2015
Reply to communication from the Examining Division
Dec 19, 2014
Grant of extension of time limit (examination procedure)
Dec 12, 2014
Request for extension of time limit to communication from the Examining Division
Sep 16, 2014
Annex to the communication
Sep 16, 2014
Communication from the Examining Division
Sep 10, 2014
Examination started
May 14, 2013
Patent document cited during the examination procedure
May 14, 2013
Reply to invitation to file a copy of priority search results
May 10, 2013
Invitation to file a copy of search results(priority)
Apr 24, 2013
Amended claims filed after receipt of (European) search report
Apr 24, 2013
Amended claims with annotations
Apr 24, 2013
Amended drawings filed after receipt of (European) search report
Apr 24, 2013
Amendments received before examination
Apr 24, 2013
Payment of fees and costs
Oct 29, 2012
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 26, 2012
Notification of forthcoming publication
Aug 20, 2012
Communication regarding the transmission of the European search report
Aug 20, 2012
European search opinion
Aug 20, 2012
European search report
Aug 13, 2012
Modified abstract
Apr 11, 2012
Authorisation
Apr 11, 2012
Letter concerning the priority
Apr 11, 2012
Priority document
Apr 2, 2012
Abstract
Apr 2, 2012
Claims
Apr 2, 2012
Description
Apr 2, 2012
Designation of inventor
Apr 2, 2012
Drawings
Apr 2, 2012
Request for grant of a European patent
Apr 2, 2012
Submission concerning representation

EP2514546

LIEBHERR VERZAHNTECHNIK

Application Number: EP12002396A
Filing Date: Apr 2, 2012
Status: Opposition Procedure Closed
Publication Date: May 4, 2016
External Links: Slate, Register , Google Patents

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Gear Cutting Machine, End Mill And Profile Trimming Method

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Dossier Documents

EP2514546