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Circuit Arrangement For Switching An Electrical Load And Method For Monitoring A State Of A Safety Output Of A Circuit Assembly

Patent No. EP3584648 (titled "Circuit Arrangement For Switching An Electrical Load And Method For Monitoring A State Of A Safety Output Of A Circuit Assembly") was filed by Pilz on May 21, 2019. The application was issued on Aug 4, 2021.

Patent Summary

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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
SEW EURODRIVE	Apr 1, 2022	-

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 31, 2025
Request for change of client data cannot be registered anymore
Oct 18, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 18, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Oct 13, 2023
Termination of the opposition proceedings with revocation of patent
Jul 7, 2023
Advice of delivery
Jul 5, 2023
Advice of delivery
Jul 3, 2023
Annex to the communication - opposition
Jul 3, 2023
Decision of the Opposition Division and instruction
Jul 3, 2023
Decision revoking the European patent
Jul 3, 2023
Decision revoking the European patent
Jul 3, 2023
Grounds for the decision (Annex) - opposition
Jul 3, 2023
Means of redress
Jul 3, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 3, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 3, 2023
Provision of a copy of the minutes - opposition procedure
Jul 3, 2023
Provision of a copy of the minutes - opposition procedure
Jul 3, 2023
Scanned annex to a communication - opposition procedure
Jul 3, 2023
Transmittal of decision / summons - opposition
Jul 3, 2023
Transmittal of decision / summons - opposition
Jun 20, 2023
Information about the result of oral proceedings
Jun 1, 2023
Notification concerning the date of oral proceedings
Jun 1, 2023
Notification concerning the date of oral proceedings
May 3, 2023
Brief communication - Opposition proceedings
Apr 26, 2023
(Electronic) Receipt
Apr 26, 2023
Letter accompanying subsequently filed items
Apr 26, 2023
Written submission in preparation to/during oral proceedings
Apr 25, 2023
Brief communication - Opposition proceedings
Apr 20, 2023
(Electronic) Receipt
Apr 20, 2023
Description
Apr 20, 2023
Description
Apr 20, 2023
Letter accompanying subsequently filed items
Apr 20, 2023
Main request during Opposition procedure
Apr 20, 2023
Main request during Opposition procedure
Apr 20, 2023
Written submission in preparation to/during oral proceedings
Feb 15, 2023
Brief communication - Opposition proceedings
Feb 10, 2023
(Electronic) Receipt
Feb 10, 2023
Letter accompanying subsequently filed items
Feb 10, 2023
Written submission in preparation to/during oral proceedings
Jan 9, 2023
Advice of delivery
Jan 4, 2023
Advice of delivery
Dec 23, 2022
Annex to the communication - opposition
Dec 23, 2022
Information concerning oral proceedings
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Summons to attend oral proceedings
Dec 23, 2022
Summons to attend oral proceedings
Dec 23, 2022
Transmittal of decision / summons - opposition
Dec 23, 2022
Transmittal of decision / summons - opposition
Oct 6, 2022
Brief communication - Opposition proceedings
Sep 29, 2022
(Electronic) Receipt
Sep 29, 2022
Amended description with annotations
Sep 29, 2022
Description
Sep 29, 2022
Letter accompanying subsequently filed items
Sep 29, 2022
Main request during Opposition procedure
Sep 29, 2022
Main request during Opposition procedure
Sep 29, 2022
Reply of the patent proprietor to the notice(s) of opposition
May 20, 2022
Communication of a notice of opposition and request to file observations
May 20, 2022
Notice of further oppositions to opponent(s)
Apr 6, 2022
Communication of a notice of opposition - first information to patent proprietor
Apr 1, 2022
(Electronic) Receipt
Apr 1, 2022
Citation in opposition procedure - 001
Apr 1, 2022
Citation in opposition procedure - 002
Apr 1, 2022
Citation in opposition procedure - 003
Apr 1, 2022
Citation in opposition procedure - 004
Apr 1, 2022
Citation in opposition procedure - 005
Apr 1, 2022
Consolidated list of cited opposition documents
Apr 1, 2022
Letter accompanying subsequently filed items
Apr 1, 2022
Notice of opposition
Apr 1, 2022
Notice of opposition
Aug 17, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 8, 2021
Decision to grant a European patent
Jun 24, 2021
(Electronic) Receipt
Jun 24, 2021
English translation of the claims
Jun 24, 2021
Filing of the translations of the claims
Jun 24, 2021
French translation of claims
Jun 24, 2021
Letter accompanying subsequently filed items
Feb 17, 2021
Bibliographic data of the European patent application
Feb 17, 2021
Communication about intention to grant a European patent
Feb 17, 2021
Intention to grant (signatures)
Feb 17, 2021
Text intended for grant (clean copy)
Feb 17, 2021
Text intended for grant (version for approval)
Jan 29, 2021
(Electronic) Receipt
Jan 29, 2021
Amended claims with annotations
Jan 29, 2021
Amended description with annotations
Jan 29, 2021
Claims
Jan 29, 2021
Description
Jan 29, 2021
Letter accompanying subsequently filed items
Jan 29, 2021
Reply to communication from the Examining Division
Nov 26, 2020
Grant of extension of time limit (examination procedure)
Nov 20, 2020
(Electronic) Receipt
Nov 20, 2020
Letter accompanying subsequently filed items
Nov 20, 2020
Request for extension of time limit to communication from the Examining Division
Jul 20, 2020
Annex to the communication
Jul 20, 2020
Communication from the Examining Division
Jul 10, 2020
Examination started
Jun 25, 2020
(Electronic) Receipt
Jun 25, 2020
Amended claims filed after receipt of (European) search report
Jun 25, 2020
Amended claims with annotations
Jun 25, 2020
Amended description filed after receipt of (European) search report
Jun 25, 2020
Amended description with annotations
Jun 25, 2020
Amendments received before examination
Jun 25, 2020
Letter accompanying subsequently filed items
Jan 23, 2020
Rectification of the designation of the inventor under Rule 21 EPC
Jan 15, 2020
(Electronic) Receipt
Jan 15, 2020
Letter accompanying subsequently filed items
Jan 15, 2020
Letter concerning the inventor
Jan 8, 2020
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Nov 27, 2019
Notification of forthcoming publication
Nov 21, 2019
Extension of time limit granted
Nov 11, 2019
(Electronic) Receipt
Nov 11, 2019
Communication regarding the transmission of the European search report
Nov 11, 2019
European search opinion
Nov 11, 2019
European search report
Nov 11, 2019
Information on Search Strategy
Nov 11, 2019
Letter accompanying subsequently filed items
Nov 11, 2019
Request for extension of time limit
Sep 5, 2019
Brief communication with time limit (Legal Division)
Aug 23, 2019
(Electronic) Receipt
Aug 23, 2019
Letter accompanying subsequently filed items
Aug 23, 2019
Letter concerning the inventor
Aug 14, 2019
Communication to designated inventor
Aug 14, 2019
Communication to designated inventor
Aug 14, 2019
Communication to designated inventor
Aug 14, 2019
Communication to designated inventor
Jun 26, 2019
Letter concerning the priority
Jun 26, 2019
Priority document
May 21, 2019
Abstract
May 21, 2019
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
May 21, 2019
Claims
May 21, 2019
Description
May 21, 2019
Designation of inventor
May 21, 2019
Drawings
May 21, 2019
Priority search results
May 21, 2019
Request for grant of a European patent

EP3584648

PILZ

Application Number: EP19175692A
Filing Date: May 21, 2019
Status: Revoked; Oct 20, 2023
Publication Date: Aug 4, 2021
External Links: Slate, Register , Google Patents