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Insulation Monitoring Of An Electrical Heating Circuit For A Melting Furnace And Method For Monitoring

Patent No. EP2811248 (titled "Insulation Monitoring Of An Electrical Heating Circuit For A Melting Furnace And Method For Monitoring") was filed by Siemens on Jun 6, 2013. The application was issued on May 8, 2019.

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
ABB SCHWEIZ	Feb 10, 2020	ZIMMERMANN & PARTNER PATENTANWALTE 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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Apr 26, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Apr 26, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 21, 2022
Termination of the opposition proceedings with maintenance of patent
Feb 22, 2022
Annex to the communication - opposition
Feb 22, 2022
Brief communication - Opposition proceedings
Feb 22, 2022
Brief communication - Opposition proceedings
Feb 22, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 22, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 22, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 22, 2022
Provision of a copy of the minutes - opposition procedure
Feb 22, 2022
Provision of a copy of the minutes - opposition procedure
Feb 21, 2022
Brief communication - Opposition proceedings
Feb 16, 2022
(Electronic) Receipt
Feb 16, 2022
Letter accompanying subsequently filed items
Feb 16, 2022
Letter regarding the opposition procedure (no time limit)
Jan 17, 2022
Advice of delivery
Jan 14, 2022
Advice of delivery
Jan 11, 2022
Annex to the communication - opposition
Jan 11, 2022
Decision of the Opposition Division and instruction
Jan 11, 2022
Decision rejecting the opposition
Jan 11, 2022
Decision rejecting the opposition
Jan 11, 2022
Grounds for the decision (Annex) - opposition
Jan 11, 2022
Means of redress
Jan 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 11, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 11, 2022
Provision of a copy of the minutes - opposition procedure
Jan 11, 2022
Provision of a copy of the minutes - opposition procedure
Jan 11, 2022
Transmittal of decision / summons - opposition
Jan 11, 2022
Transmittal of decision / summons - opposition
Nov 29, 2021
Brief communication - Opposition proceedings
Nov 29, 2021
Information about the result of oral proceedings
Nov 24, 2021
(Electronic) Receipt
Nov 24, 2021
Citation in opposition procedure - 012
Nov 24, 2021
Citation in opposition procedure - 013
Nov 24, 2021
Consolidated list of cited opposition documents
Nov 24, 2021
Letter accompanying subsequently filed items
Nov 24, 2021
Written submission in preparation to/during oral proceedings
Oct 28, 2021
Brief communication - Opposition proceedings
Oct 25, 2021
(Electronic) Receipt
Oct 25, 2021
Letter accompanying subsequently filed items
Oct 25, 2021
Request for interpreters during oral proceedings
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 1, 2021
(Electronic) Receipt
Oct 1, 2021
(Electronic) Receipt
Oct 1, 2021
Auxiliary request during Opposition procedure
Oct 1, 2021
Auxiliary request during Opposition procedure
Oct 1, 2021
Auxiliary request during Opposition procedure - 02
Oct 1, 2021
Auxiliary request during Opposition procedure - 03
Oct 1, 2021
Citation in opposition procedure - 010
Oct 1, 2021
Citation in opposition procedure - 011
Oct 1, 2021
Consolidated list of cited opposition documents
Oct 1, 2021
Letter accompanying subsequently filed items
Oct 1, 2021
Letter accompanying subsequently filed items
Oct 1, 2021
Written submission in preparation to/during oral proceedings
Oct 1, 2021
Written submission in preparation to/during oral proceedings
Aug 27, 2021
Brief communication - Opposition proceedings
Aug 24, 2021
(Electronic) Receipt
Aug 24, 2021
Letter accompanying subsequently filed items
Aug 24, 2021
Request for interpreters during oral proceedings
Aug 18, 2021
Notification concerning the date of oral proceedings
Aug 18, 2021
Notification concerning the date of oral proceedings
Apr 15, 2021
Advice of delivery
Apr 8, 2021
Advice of delivery
Apr 1, 2021
Annex to the communication - opposition
Apr 1, 2021
Summons to attend oral proceedings
Apr 1, 2021
Summons to attend oral proceedings
Apr 1, 2021
Transmittal of decision / summons - opposition
Apr 1, 2021
Transmittal of decision / summons - opposition
Oct 13, 2020
Brief communication - Opposition proceedings
Oct 7, 2020
(Electronic) Receipt
Oct 7, 2020
Citation in opposition procedure - 007
Oct 7, 2020
Citation in opposition procedure - 008
Oct 7, 2020
Citation in opposition procedure - 009
Oct 7, 2020
Consolidated list of cited opposition documents
Oct 7, 2020
Letter accompanying subsequently filed items
Oct 7, 2020
Letter regarding the opposition procedure (no time limit)
Jul 9, 2020
Brief communication - Opposition proceedings
Jul 3, 2020
(Electronic) Receipt
Jul 3, 2020
Auxiliary request during Opposition procedure
Jul 3, 2020
Auxiliary request during Opposition procedure - 01
Jul 3, 2020
Letter accompanying subsequently filed items
Jul 3, 2020
Reply of the patent proprietor to the notice(s) of opposition
Feb 25, 2020
Communication of a notice of opposition and request to file observations
Feb 25, 2020
Notice of further oppositions to opponent(s)
Feb 14, 2020
Communication of a notice of opposition - first information to patent proprietor
Feb 10, 2020
(Electronic) Receipt
Feb 10, 2020
Citation in opposition procedure - 001
Feb 10, 2020
Citation in opposition procedure - 002
Feb 10, 2020
Citation in opposition procedure - 003
Feb 10, 2020
Citation in opposition procedure - 004
Feb 10, 2020
Citation in opposition procedure - 005
Feb 10, 2020
Citation in opposition procedure - 006
Feb 10, 2020
Notice of opposition
Feb 10, 2020
Notice of opposition
May 20, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 11, 2019
Decision to grant a European patent
Mar 22, 2019
(Electronic) Receipt
Mar 22, 2019
English translation of the claims
Mar 22, 2019
Filing of the translations of the claims
Mar 22, 2019
French translation of claims
Jan 8, 2019
Bibliographic data of the European patent application
Jan 8, 2019
Communication about intention to grant a European patent
Jan 8, 2019
Intention to grant (signatures)
Jan 8, 2019
Text intended for grant (clean copy)
Jan 8, 2019
Text intended for grant (version for approval)
Apr 23, 2018
(Electronic) Receipt
Apr 23, 2018
Amended claims with annotations
Apr 23, 2018
Amended description with annotations
Apr 23, 2018
Claims
Apr 23, 2018
Description
Apr 23, 2018
Letter accompanying subsequently filed items
Apr 23, 2018
Reply to communication from the Examining Division
Jan 18, 2018
Annex to the communication
Jan 18, 2018
Communication from the Examining Division
Jan 12, 2018
Examination started
Sep 26, 2017
Notification regarding date of start of examination with possibility to withdraw
Jul 31, 2017
Communication of the registration of a transfer or change of name and/or address
Jul 24, 2017
Submission concerning change of applicant's address
Jun 10, 2015
(Electronic) Receipt
Jun 10, 2015
Amended claims filed after receipt of (European) search report
Jun 10, 2015
Amended claims with annotations
Jun 10, 2015
Amended description filed after receipt of (European) search report
Jun 10, 2015
Amended description with annotations
Jun 10, 2015
Amendments received before examination
Jun 10, 2015
Letter accompanying subsequently filed items
Dec 15, 2014
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Nov 12, 2014
Notification of forthcoming publication
Nov 22, 2013
Communication regarding the transmission of the European search report
Nov 22, 2013
European search opinion
Nov 22, 2013
European search report
Nov 8, 2013
Search started
Aug 13, 2013
Communication to designated inventor
Aug 13, 2013
Communication to designated inventor
Jun 6, 2013
Abstract
Jun 6, 2013
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jun 6, 2013
Claims
Jun 6, 2013
Description
Jun 6, 2013
Designation of inventor
Jun 6, 2013
Designation of inventor
Jun 6, 2013
Drawings
Jun 6, 2013
Request for grant of a European patent

EP2811248

SIEMENS

Application Number: EP13170747A
Filing Date: Jun 6, 2013
Status: Opposition Rejected; Apr 22, 2022
Publication Date: May 8, 2019
External Links: Slate, Register , Google Patents