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Heating Cost Distributor For Detecting The Amount Of Heat Output By A Radiator

Patent No. EP3524951 (titled "Heating Cost Distributor For Detecting The Amount Of Heat Output By A Radiator") was filed by Techem Energy Services on Jan 30, 2019. The application was issued on Mar 26, 2025.

Patent Summary

Patent Family

Patent Oppositions (2)

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
ISTA	Dec 22, 2021	COHAUSZ HANNIG BORKOWSKI WISSGOTT
MOLNIA	Dec 21, 2021	MOLNIA

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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Feb 27, 2025
Decision to maintain the European patent in amended form
Feb 27, 2025
Decision to maintain the European patent in amended form
Feb 27, 2025
Decision to maintain the European patent in amended form
Jan 20, 2025
Annexes in respect of a client data request
Jan 20, 2025
Letter accompanying subsequently filed items
May 13, 2024
(Electronic) Receipt
May 13, 2024
English translation of the claims
May 13, 2024
Filing of the translation of the amended claims
May 13, 2024
French translation of claims
May 13, 2024
Letter accompanying subsequently filed items
Feb 20, 2024
Communication to opponent concerning maintenance
Feb 20, 2024
Communication to opponent concerning maintenance
Feb 20, 2024
Communication with request to file translations
Feb 14, 2024
Refund of fees
Feb 13, 2024
Maintenance of the patent with the documents specified in the final decision
Feb 8, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 8, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 8, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 1, 2024
(Electronic) Receipt
Feb 1, 2024
Composition of the board (T)
Feb 1, 2024
Letter accompanying subsequently filed items
Feb 1, 2024
Withdrawal of an appeal
Jan 25, 2024
F3204 Communication of the file number to the parties
Jan 25, 2024
F3204 Communication of the file number to the parties
Jan 2, 2024
(Electronic) Receipt
Jan 2, 2024
Notice of appeal
Jan 2, 2024
Notice of appeal
Oct 30, 2023
(Electronic) Receipt
Oct 30, 2023
Advice of delivery
Oct 30, 2023
Letter accompanying subsequently filed items
Oct 27, 2023
Advice of delivery
Oct 26, 2023
Advice of delivery
Oct 24, 2023
Annex to the communication - opposition
Oct 24, 2023
Decision of the Opposition Division and instruction
Oct 24, 2023
Druckexemplar in opposition procedure
Oct 24, 2023
Grounds for the decision (Annex) - opposition
Oct 24, 2023
Interlocutory decision in opposition proceedings
Oct 24, 2023
Interlocutory decision in opposition proceedings
Oct 24, 2023
Interlocutory decision in opposition proceedings
Oct 24, 2023
Means of redress
Oct 24, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 24, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 24, 2023
Provision of a copy of the minutes - opposition procedure
Oct 24, 2023
Provision of a copy of the minutes - opposition procedure
Oct 24, 2023
Provision of a copy of the minutes - opposition procedure
Oct 24, 2023
Scanned annex to a communication - opposition procedure
Oct 24, 2023
Scanned annex to a communication - opposition procedure
Oct 24, 2023
Transmittal of decision / summons - opposition
Oct 24, 2023
Transmittal of decision / summons - opposition
Oct 24, 2023
Transmittal of decision / summons - opposition
Sep 26, 2023
Information about the result of oral proceedings
Sep 12, 2023
Brief communication - Opposition proceedings
Sep 12, 2023
Brief communication - Opposition proceedings
Sep 8, 2023
(Electronic) Receipt
Sep 8, 2023
Letter accompanying subsequently filed items
Sep 8, 2023
Written submission in preparation to/during oral proceedings
Aug 25, 2023
Brief communication - Opposition proceedings
Jul 27, 2023
Brief communication - Opposition proceedings
Jul 27, 2023
Brief communication - Opposition proceedings
Jul 26, 2023
Brief communication - Opposition proceedings
Jul 26, 2023
Brief communication - Opposition proceedings
Jul 21, 2023
(Electronic) Receipt
Jul 21, 2023
(Electronic) Receipt
Jul 21, 2023
Auxiliary request during Opposition procedure
Jul 21, 2023
Auxiliary request during Opposition procedure
Jul 21, 2023
Auxiliary request during Opposition procedure
Jul 21, 2023
Auxiliary request during Opposition procedure
Jul 21, 2023
Auxiliary request during Opposition procedure - 01
Jul 21, 2023
Auxiliary request during Opposition procedure - 02
Jul 21, 2023
Auxiliary request during Opposition procedure - 03
Jul 21, 2023
Auxiliary request during Opposition procedure - 04
Jul 21, 2023
Brief communication - Opposition proceedings
Jul 21, 2023
Brief communication - Opposition proceedings
Jul 21, 2023
Letter accompanying subsequently filed items
Jul 21, 2023
Letter accompanying subsequently filed items
Jul 21, 2023
Request for interpreters during oral proceedings
Jul 21, 2023
Written submission in preparation to/during oral proceedings
Jul 18, 2023
(Electronic) Receipt
Jul 18, 2023
Request for interpreters during oral proceedings
Jul 14, 2023
Brief communication - Opposition proceedings
Jul 14, 2023
Brief communication - Opposition proceedings
Jul 11, 2023
(Electronic) Receipt
Jul 11, 2023
Letter accompanying subsequently filed items
Jul 11, 2023
Written submission in preparation to/during oral proceedings
Mar 7, 2023
Advice of delivery
Feb 28, 2023
Advice of delivery
Feb 28, 2023
Advice of delivery
Feb 24, 2023
Annex to the communication - opposition
Feb 24, 2023
Information concerning oral proceedings
Feb 24, 2023
Scanned annex to a communication - opposition procedure
Feb 24, 2023
Summons to attend oral proceedings
Feb 24, 2023
Summons to attend oral proceedings
Feb 24, 2023
Summons to attend oral proceedings
Feb 24, 2023
Transmittal of decision / summons - opposition
Feb 24, 2023
Transmittal of decision / summons - opposition
Feb 24, 2023
Transmittal of decision / summons - opposition
Aug 12, 2022
Brief communication - Opposition proceedings
Aug 12, 2022
Brief communication - Opposition proceedings
Aug 9, 2022
(Electronic) Receipt
Aug 9, 2022
Citation in opposition procedure - 010
Aug 9, 2022
Consolidated list of cited opposition documents
Aug 9, 2022
Letter accompanying subsequently filed items
Aug 9, 2022
Letter regarding the opposition procedure (no time limit)
Jun 10, 2022
Brief communication - Opposition proceedings
Jun 10, 2022
Brief communication - Opposition proceedings
Jun 9, 2022
Brief communication - Opposition proceedings
Jun 7, 2022
(Electronic) Receipt
Jun 7, 2022
Letter accompanying subsequently filed items
Jun 7, 2022
Letter regarding the opposition procedure (no time limit)
Jun 2, 2022
(Electronic) Receipt
Jun 2, 2022
Letter accompanying subsequently filed items
Jun 2, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jan 24, 2022
Communication of a notice of opposition and request to file observations
Jan 24, 2022
Notice of further oppositions to opponent(s)
Jan 24, 2022
Notice of further oppositions to opponent(s)
Jan 5, 2022
Communication of a notice of opposition - first information to patent proprietor
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Citation in opposition procedure
Dec 22, 2021
Citation in opposition procedure
Dec 22, 2021
Citation in opposition procedure
Dec 22, 2021
Citation in opposition procedure - 006
Dec 22, 2021
Citation in opposition procedure - 007
Dec 22, 2021
Citation in opposition procedure - 008
Dec 22, 2021
Citation in opposition procedure - 009
Dec 22, 2021
Notice of opposition
Dec 22, 2021
Notice of opposition
Dec 21, 2021
(Electronic) Receipt
Dec 21, 2021
Any annexes (other than citation) to an opposition letter
Dec 21, 2021
Citation in opposition procedure - 001
Dec 21, 2021
Citation in opposition procedure - 002
Dec 21, 2021
Citation in opposition procedure - 003
Dec 21, 2021
Citation in opposition procedure - 004
Dec 21, 2021
Citation in opposition procedure - 005
Dec 21, 2021
Notice of opposition
Dec 21, 2021
Notice of opposition
Apr 6, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 25, 2021
Decision to grant a European patent
Feb 10, 2021
(Electronic) Receipt
Feb 10, 2021
English translation of the claims
Feb 10, 2021
Filing of the translations of the claims
Feb 10, 2021
French translation of claims
Feb 10, 2021
Letter accompanying subsequently filed items
Nov 23, 2020
Bibliographic data of the European patent application
Nov 23, 2020
Communication about intention to grant a European patent
Nov 23, 2020
Intention to grant (signatures)
Nov 23, 2020
Text intended for grant (clean copy)
Nov 23, 2020
Text intended for grant (version for approval)
Sep 24, 2020
Examination started
Mar 16, 2020
(Electronic) Receipt
Mar 16, 2020
Letter accompanying subsequently filed items
Mar 16, 2020
Priority search results
Mar 16, 2020
Reply to invitation to file a copy of priority search results
Feb 24, 2020
Invitation to file a copy of search results(priority)
Feb 12, 2020
(Electronic) Receipt
Feb 12, 2020
Amended claims filed after receipt of (European) search report
Feb 12, 2020
Amended claims with annotations
Feb 12, 2020
Amended description filed after receipt of (European) search report
Feb 12, 2020
Amended description with annotations
Feb 12, 2020
Amendments received before examination
Feb 12, 2020
Letter accompanying subsequently filed items
Feb 4, 2020
Document concerning representation
Aug 20, 2019
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jul 17, 2019
Notification of forthcoming publication
Jul 2, 2019
Communication regarding the transmission of the European search report
Jul 2, 2019
European search opinion
Jul 2, 2019
European search report
Jul 2, 2019
Information on Search Strategy
Jun 20, 2019
Search started
Mar 25, 2019
Communication to designated inventor
Mar 25, 2019
Communication to designated inventor
Feb 20, 2019
Letter concerning the priority
Feb 20, 2019
Priority document
Jan 30, 2019
Abstract
Jan 30, 2019
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 30, 2019
Claims
Jan 30, 2019
Description
Jan 30, 2019
Designation of inventor
Jan 30, 2019
Drawings
Jan 30, 2019
Request for grant of a European patent

EP3524951

TECHEM ENERGY SERVICES

Application Number: EP19154512A
Filing Date: Jan 30, 2019
Status: Patent Maintained As Amended; Feb 21, 2025
Publication Date: Mar 26, 2025
External Links: Slate, Register , Google Patents