Method And Device For Measuring Angles

Patent No. EP2551645 (titled "Method And Device For Measuring Angles") was filed by DR Johannes Heidenhain on Apr 25, 2012. The application was issued on Jun 14, 2017.

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
CARL ZEISS	Mar 14, 2018	PATENTANWALTE BRESSEL UND PARTNER MBB
RENISHAW	Mar 13, 2018	ROLFE

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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Mar 10, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Mar 5, 2020
Termination of the opposition proceedings with maintenance of patent
Dec 4, 2019
Advice of delivery
Dec 2, 2019
Acknowledgement of a document
Dec 2, 2019
Annex to the communication - opposition
Dec 2, 2019
Internal form - Opposition/addressees
Dec 2, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 2, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 2, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 2, 2019
Provision of a copy of the minutes - opposition procedure
Oct 24, 2019
Information about the result of oral proceedings
Aug 16, 2019
(Electronic) Receipt
Aug 16, 2019
Amended claims with annotations
Aug 16, 2019
Amended claims with annotations
Aug 16, 2019
Amended claims with annotations
Aug 16, 2019
Amended claims with annotations
Aug 16, 2019
Amended claims with annotations
Aug 16, 2019
Amended description with annotations
Aug 16, 2019
Claims
Aug 16, 2019
Claims
Aug 16, 2019
Claims
Aug 16, 2019
Claims
Aug 16, 2019
Claims
Aug 16, 2019
Description
Aug 16, 2019
Letter accompanying subsequently filed items
Aug 16, 2019
Written submission in preparation to/during oral proceedings
Mar 29, 2019
Advice of delivery
Mar 27, 2019
Advice of delivery
Mar 25, 2019
Notification concerning the date of oral proceedings
Mar 25, 2019
Summons to attend oral proceedings
Feb 19, 2019
(Electronic) Receipt
Feb 19, 2019
General enquiry
Feb 19, 2019
General enquiry
Feb 19, 2019
Letter accompanying subsequently filed items
Feb 19, 2019
Letter regarding the opposition procedure (no time limit)
Feb 19, 2019
Notification concerning the date of oral proceedings
Feb 11, 2019
Brief communication - Opposition proceedings
Feb 11, 2019
Brief communication - Opposition proceedings
Feb 6, 2019
(Electronic) Receipt
Feb 6, 2019
Letter accompanying subsequently filed items
Feb 6, 2019
Withdrawal of an opposition
Feb 4, 2019
Advice of delivery
Feb 1, 2019
Advice of delivery
Feb 1, 2019
Advice of delivery
Jan 31, 2019
Advice of delivery
Jan 30, 2019
Acknowledgement of a document
Jan 30, 2019
Acknowledgement of a document
Jan 30, 2019
Annex to the communication - opposition
Jan 30, 2019
Information concerning oral proceedings
Jan 30, 2019
Summons to attend oral proceedings
Jan 30, 2019
Summons to attend oral proceedings
Aug 14, 2018
Brief communication - Opposition proceedings
Aug 14, 2018
Communication of amended entries concerning the representative
Aug 13, 2018
Brief communication - Opposition proceedings
Aug 3, 2018
(Electronic) Receipt
Aug 3, 2018
Letter accompanying subsequently filed items
Aug 3, 2018
Reply of the patent proprietor to the notice(s) of opposition
May 24, 2018
Brief communication - Opposition proceedings
May 24, 2018
Brief communication - Opposition proceedings
May 24, 2018
Brief communication - Opposition proceedings
May 16, 2018
(Electronic) Receipt
May 16, 2018
Letter accompanying subsequently filed items
May 16, 2018
Withdrawal of an opposition
Mar 26, 2018
Communication of a notice of opposition and request to file observations
Mar 26, 2018
Notice of further oppositions to opponent(s)
Mar 26, 2018
Notice of further oppositions to opponent(s)
Mar 20, 2018
Communication of a notice of opposition - first information to patent proprietor
Mar 20, 2018
Communication of a notice of opposition - first information to patent proprietor
Mar 14, 2018
(Electronic) Receipt
Mar 14, 2018
Notice of opposition
Mar 14, 2018
Notice of opposition
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 14, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
(Electronic) Receipt
Mar 13, 2018
Non-patent literature cited during the opposition procedure
Mar 13, 2018
Non-patent literature cited during the opposition procedure
Mar 13, 2018
Notice of opposition
Mar 13, 2018
Notice of opposition
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Mar 13, 2018
Patent document cited during the opposition procedure
Jun 14, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 18, 2017
Decision to grant a European patent
Apr 24, 2017
English translation of the claims
Apr 24, 2017
Filing of the translations of the claims
Apr 24, 2017
French translation of claims
Feb 21, 2017
Annex to the communication about intention to grant a European patent
Feb 21, 2017
Bibliographic data of the European patent application
Feb 21, 2017
Communication about intention to grant a European patent
Feb 21, 2017
Intention to grant (signatures)
Feb 21, 2017
Text intended for grant (clean copy)
Feb 21, 2017
Text intended for grant (version for approval)
Jun 16, 2016
Reply to communication from the Examining Division
Feb 18, 2016
Annex to a communication
Feb 18, 2016
Annex to the communication
Feb 18, 2016
Communication from the Examining Division
Jan 20, 2016
Examination started
May 12, 2015
Reply to invitation to file a copy of priority search results
May 8, 2015
Invitation to file a copy of search results(priority)
Apr 20, 2015
Reply to Written Opinion prepared by the EPO
Oct 27, 2014
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 19, 2014
Communication regarding the transmission of the European search report
Sep 19, 2014
European search opinion
Sep 19, 2014
European search report
Sep 8, 2014
Search started
Jan 4, 2013
Notification of forthcoming publication
May 8, 2012
Letter concerning the priority
May 8, 2012
Priority document
Apr 25, 2012
Abstract
Apr 25, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 25, 2012
Claims
Apr 25, 2012
Description
Apr 25, 2012
Designation of inventor
Apr 25, 2012
Designation of inventor
Apr 25, 2012
Designation of inventor
Apr 25, 2012
Designation of inventor
Apr 25, 2012
Designation of inventor
Apr 25, 2012
Designation of inventor
Apr 25, 2012
Drawings
Apr 25, 2012
Request for grant of a European patent

EP2551645

DR JOHANNES HEIDENHAIN

Application Number: EP12165440A
Filing Date: Apr 25, 2012
Status: Granted And Under Opposition; May 12, 2017
Publication Date: Jun 14, 2017
External Links: Slate, Register , Google Patents

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Method And Device For Measuring Angles

Patent Summary

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Patent Oppositions (2)

Dossier Documents

EP2551645