Heat Transfer System

Patent No. EP3488153 (titled "Heat Transfer System") was filed by EON Sverige on Jun 29, 2017. The application was issued on Feb 25, 2026.

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
ENERGY MACHINES	Feb 11, 2022	BJERKEN HYNELL KB
ENERGY MACHINES	Feb 11, 2022	BJERKNS PATENTBYR KB GVLE

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

Get instant alerts for new documents

Jan 29, 2026
Decision to maintain the European patent in amended form
Jan 29, 2026
Decision to maintain the European patent in amended form
Jan 15, 2026
(Electronic) Receipt
Jan 15, 2026
Filing of the translation of the amended claims
Jan 15, 2026
French translation of claims
Jan 15, 2026
German translation of the claims
Jan 15, 2026
Letter accompanying subsequently filed items
Nov 26, 2025
Communication of bibliographic data
Nov 26, 2025
Communication to opponent concerning maintenance
Nov 26, 2025
Communication with request to file translations
Nov 26, 2025
Druckexemplar in opposition procedure
Nov 19, 2025
Maintenance of the patent with the documents specified in the final decision
Oct 20, 2025
Maintenance of the patent with the documents specified in the final decision
Oct 15, 2025
Decision of the Board of Appeal
Oct 15, 2025
F3032 Notification(s) of the decision
Oct 15, 2025
F3032 Notification(s) of the decision
Jul 23, 2025
Amended description with annotations
Jul 23, 2025
Description
Jul 23, 2025
F3013 Oral Proceedings: Forwarding minutes
Jul 23, 2025
F3013 Oral Proceedings: Forwarding minutes
Jul 23, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jul 14, 2025
F3345 Forwarding of submissions to parties
Jul 8, 2025
(Electronic) Receipt
Jul 8, 2025
Letter accompanying subsequently filed items
Jul 3, 2025
F3345 Forwarding of submissions to parties
Jul 1, 2025
(Electronic) Receipt
Jul 1, 2025
Amended claims with annotations
Jul 1, 2025
Auxiliary request during appeals procedure - 40
Jul 1, 2025
Letter accompanying subsequently filed items
Jul 1, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 4, 2025
F3345 Forwarding of submissions to parties
Jun 3, 2025
F3018 Oral proceedings: Confirmation interpreters
Jun 3, 2025
F3018 Oral proceedings: Confirmation interpreters
May 30, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 30, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 28, 2025
(Electronic) Receipt
May 28, 2025
Letter accompanying subsequently filed items
May 28, 2025
Oral proceedings: reply to date proposed
May 22, 2025
(Electronic) Receipt
May 22, 2025
F3345 Forwarding of submissions to parties
May 22, 2025
Letter accompanying subsequently filed items
May 22, 2025
Oral proceedings: reply to date proposed
May 19, 2025
F3345 Forwarding of submissions to parties
May 19, 2025
Oral proceedings: change of venue
May 19, 2025
Oral proceedings: change of venue
May 14, 2025
(Electronic) Receipt
May 14, 2025
Letter accompanying subsequently filed items
May 14, 2025
Letter dealing with oral proceedings during the appeal procedure
May 8, 2025
(Electronic) Receipt
May 8, 2025
F3345 Forwarding of submissions to parties
May 8, 2025
Letter accompanying subsequently filed items
May 8, 2025
Request for interpreters during oral proceedings
Feb 21, 2025
F3345 Forwarding of submissions to parties
Feb 18, 2025
(Electronic) Receipt
Feb 18, 2025
Letter accompanying subsequently filed items
Feb 18, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 24, 2025
F3011.1 Oral Proceedings: summons
Jan 24, 2025
F3011.1 Oral Proceedings: summons
Jan 21, 2025
F3010 Oral proceedings: order for summons
Jul 18, 2024
F3345 Forwarding of submissions to parties
Jul 15, 2024
(Electronic) Receipt
Jul 15, 2024
Amended claims with annotations
Jul 15, 2024
Auxiliary request during appeals procedure - 01
Jul 15, 2024
Auxiliary request during appeals procedure - 02
Jul 15, 2024
Auxiliary request during appeals procedure - 03
Jul 15, 2024
Auxiliary request during appeals procedure - 04
Jul 15, 2024
Auxiliary request during appeals procedure - 05
Jul 15, 2024
Auxiliary request during appeals procedure - 06
Jul 15, 2024
Auxiliary request during appeals procedure - 07
Jul 15, 2024
Auxiliary request during appeals procedure - 08
Jul 15, 2024
Auxiliary request during appeals procedure - 09
Jul 15, 2024
Auxiliary request during appeals procedure - 10
Jul 15, 2024
Auxiliary request during appeals procedure - 11
Jul 15, 2024
Auxiliary request during appeals procedure - 12
Jul 15, 2024
Auxiliary request during appeals procedure - 13
Jul 15, 2024
Auxiliary request during appeals procedure - 14
Jul 15, 2024
Auxiliary request during appeals procedure - 15
Jul 15, 2024
Auxiliary request during appeals procedure - 16
Jul 15, 2024
Auxiliary request during appeals procedure - 17
Jul 15, 2024
Auxiliary request during appeals procedure - 18
Jul 15, 2024
Auxiliary request during appeals procedure - 19
Jul 15, 2024
Auxiliary request during appeals procedure - 20
Jul 15, 2024
Auxiliary request during appeals procedure - 21
Jul 15, 2024
Auxiliary request during appeals procedure - 22
Jul 15, 2024
Auxiliary request during appeals procedure - 23
Jul 15, 2024
Auxiliary request during appeals procedure - 24
Jul 15, 2024
Auxiliary request during appeals procedure - 25
Jul 15, 2024
Auxiliary request during appeals procedure - 26
Jul 15, 2024
Auxiliary request during appeals procedure - 27
Jul 15, 2024
Auxiliary request during appeals procedure - 28
Jul 15, 2024
Auxiliary request during appeals procedure - 29
Jul 15, 2024
Auxiliary request during appeals procedure - 30
Jul 15, 2024
Auxiliary request during appeals procedure - 31
Jul 15, 2024
Auxiliary request during appeals procedure - 32
Jul 15, 2024
Auxiliary request during appeals procedure - 33
Jul 15, 2024
Auxiliary request during appeals procedure - 34
Jul 15, 2024
Auxiliary request during appeals procedure - 35
Jul 15, 2024
Auxiliary request during appeals procedure - 36
Jul 15, 2024
Auxiliary request during appeals procedure - 37
Jul 15, 2024
Auxiliary request during appeals procedure - 38
Jul 15, 2024
Auxiliary request during appeals procedure - 39
Jul 15, 2024
Letter accompanying subsequently filed items
Jul 15, 2024
Main request during appeals procedure
Jul 15, 2024
Reply to appeal
Mar 21, 2024
Letter accompanying subsequently filed items
Mar 13, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 6, 2024
(Electronic) Receipt
Mar 6, 2024
Annexes (other than cited documents) regarding appeal procedure
Mar 6, 2024
Annexes (other than cited documents) regarding appeal procedure
Mar 6, 2024
Annexes (other than cited documents) regarding appeal procedure
Mar 6, 2024
Letter accompanying subsequently filed items
Mar 6, 2024
Statement of grounds of appeal
Mar 3, 2024
Composition of the board (T)
Jan 5, 2024
F3345 Forwarding of submissions to parties
Dec 29, 2023
(Electronic) Receipt
Dec 29, 2023
(Electronic) Receipt
Dec 29, 2023
Letter accompanying subsequently filed items
Dec 29, 2023
Letter accompanying subsequently filed items
Dec 29, 2023
Reply to a deficiency communication regarding an appeal
Dec 22, 2023
Brief communication - Opposition proceedings
Dec 22, 2023
Brief communication - Opposition proceedings
Dec 22, 2023
Communication for party to proceedings/third party
Dec 22, 2023
Communication for party to proceedings/third party
Dec 21, 2023
(Electronic) Receipt
Dec 21, 2023
Letter accompanying subsequently filed items
Dec 21, 2023
Letter regarding the opposition procedure (no time limit)
Dec 20, 2023
F3045 Inadmissibility of the appeal: missing address / missing name
Dec 20, 2023
F3204 Communication of the file number to the parties
Dec 20, 2023
F3204 Communication of the file number to the parties
Dec 20, 2023
F3345 Forwarding of submissions to parties
Dec 14, 2023
(Electronic) Receipt
Dec 14, 2023
Letter accompanying subsequently filed items
Dec 14, 2023
Notice of appeal
Dec 7, 2023
Brief communication - Opposition proceedings
Dec 1, 2023
(Electronic) Receipt
Dec 1, 2023
Letter accompanying subsequently filed items
Dec 1, 2023
Letter regarding the opposition procedure (no time limit)
Nov 7, 2023
(Electronic) Receipt
Nov 7, 2023
Advice of delivery
Nov 7, 2023
Advice of delivery
Nov 7, 2023
Letter accompanying subsequently filed items
Nov 6, 2023
Annex to the communication - opposition
Nov 6, 2023
Decision rejecting the opposition
Nov 6, 2023
Decision rejecting the opposition
Nov 6, 2023
Grounds for the decision (Annex) - opposition
Nov 6, 2023
Means of redress
Nov 6, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 6, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 6, 2023
Provision of a copy of the minutes - opposition procedure
Nov 6, 2023
Provision of a copy of the minutes - opposition procedure
Nov 6, 2023
Scanned annex to a communication - opposition procedure
Nov 6, 2023
Transmittal of decision / summons - opposition
Nov 6, 2023
Transmittal of decision / summons - opposition
Nov 2, 2023
Decision of the Opposition Division and instruction
Oct 4, 2023
Information about the result of oral proceedings
Sep 26, 2023
Brief communication - Opposition proceedings
Sep 22, 2023
(Electronic) Receipt
Sep 22, 2023
Letter accompanying subsequently filed items
Sep 22, 2023
Written submission in preparation to/during oral proceedings
Sep 21, 2023
Brief communication - Opposition proceedings
Sep 14, 2023
(Electronic) Receipt
Sep 14, 2023
Written submission in preparation to/during oral proceedings
Aug 9, 2023
Brief communication - Opposition proceedings
Aug 3, 2023
(Electronic) Receipt
Aug 3, 2023
Letter accompanying subsequently filed items
Aug 3, 2023
Request for interpreters during oral proceedings
Aug 1, 2023
Brief communication - Opposition proceedings
Aug 1, 2023
Brief communication - Opposition proceedings
Jul 31, 2023
Brief communication - Opposition proceedings
Jul 27, 2023
Communication concerning the filing of a power of attorney
Jul 27, 2023
Communication of amended entries concerning the representative
Jul 27, 2023
Result of consultation by telephone/in person
Jul 26, 2023
(Electronic) Receipt
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure
Jul 26, 2023
Auxiliary request during Opposition procedure - 01
Jul 26, 2023
Auxiliary request during Opposition procedure - 02
Jul 26, 2023
Auxiliary request during Opposition procedure - 03
Jul 26, 2023
Auxiliary request during Opposition procedure - 04
Jul 26, 2023
Auxiliary request during Opposition procedure - 05
Jul 26, 2023
Auxiliary request during Opposition procedure - 06
Jul 26, 2023
Auxiliary request during Opposition procedure - 07
Jul 26, 2023
Auxiliary request during Opposition procedure - 08
Jul 26, 2023
Auxiliary request during Opposition procedure - 09
Jul 26, 2023
Auxiliary request during Opposition procedure - 10
Jul 26, 2023
Auxiliary request during Opposition procedure - 11
Jul 26, 2023
Auxiliary request during Opposition procedure - 12
Jul 26, 2023
Auxiliary request during Opposition procedure - 13
Jul 26, 2023
Auxiliary request during Opposition procedure - 14
Jul 26, 2023
Auxiliary request during Opposition procedure - 15
Jul 26, 2023
Auxiliary request during Opposition procedure - 16
Jul 26, 2023
Auxiliary request during Opposition procedure - 17
Jul 26, 2023
Auxiliary request during Opposition procedure - 18
Jul 26, 2023
Auxiliary request during Opposition procedure - 19
Jul 26, 2023
Auxiliary request during Opposition procedure - 20
Jul 26, 2023
Auxiliary request during Opposition procedure - 21
Jul 26, 2023
Auxiliary request during Opposition procedure - 22
Jul 26, 2023
Auxiliary request during Opposition procedure - 23
Jul 26, 2023
Auxiliary request during Opposition procedure - 24
Jul 26, 2023
Auxiliary request during Opposition procedure - 25
Jul 26, 2023
Auxiliary request during Opposition procedure - 26
Jul 26, 2023
Auxiliary request during Opposition procedure - 27
Jul 26, 2023
Auxiliary request during Opposition procedure - 28
Jul 26, 2023
Auxiliary request during Opposition procedure - 29
Jul 26, 2023
Auxiliary request during Opposition procedure - 30
Jul 26, 2023
Auxiliary request during Opposition procedure - 31
Jul 26, 2023
Auxiliary request during Opposition procedure - 32
Jul 26, 2023
Auxiliary request during Opposition procedure - 33
Jul 26, 2023
Auxiliary request during Opposition procedure - 34
Jul 26, 2023
Auxiliary request during Opposition procedure - 35
Jul 26, 2023
Auxiliary request during Opposition procedure - 36
Jul 26, 2023
Letter accompanying subsequently filed items
Jul 26, 2023
Letter regarding the opposition procedure (no time limit)
Jul 26, 2023
Main request during Opposition procedure
Jul 26, 2023
Main request during Opposition procedure
Jul 26, 2023
Request for interpreters during oral proceedings
Jul 25, 2023
(Electronic) Receipt
Jul 25, 2023
(Electronic) Receipt
Jul 25, 2023
Letter accompanying subsequently filed items
Jul 25, 2023
Letter accompanying subsequently filed items
Jul 25, 2023
Letter regarding the opposition procedure (no time limit)
Jul 25, 2023
Submission concerning change of proprietor's representative
Jul 20, 2023
(Electronic) Receipt
Jul 20, 2023
Authorisation
Jul 20, 2023
Letter accompanying subsequently filed items
Jul 20, 2023
Submission concerning change of proprietor's representative
Jul 20, 2023
Submission concerning representation
Dec 19, 2022
Brief communication - Opposition proceedings
Dec 12, 2022
(Electronic) Receipt
Dec 12, 2022
Letter accompanying subsequently filed items
Dec 12, 2022
Request for interpreters during oral proceedings
Dec 5, 2022
Notification concerning the date of oral proceedings
Dec 5, 2022
Notification concerning the date of oral proceedings
Nov 8, 2022
(Electronic) Receipt
Nov 8, 2022
Advice of delivery
Nov 8, 2022
Letter accompanying subsequently filed items
Nov 7, 2022
Advice of delivery
Nov 4, 2022
Annex to the communication - opposition
Nov 4, 2022
Information concerning oral proceedings
Nov 4, 2022
Summons to attend oral proceedings
Nov 4, 2022
Summons to attend oral proceedings
Nov 4, 2022
Transmittal of decision / summons - opposition
Nov 4, 2022
Transmittal of decision / summons - opposition
Jun 13, 2022
Brief communication - Opposition proceedings
Jun 3, 2022
(Electronic) Receipt
Jun 3, 2022
Letter accompanying subsequently filed items
Jun 3, 2022
Reply of the patent proprietor to the notice(s) of opposition
May 9, 2022
Communication of amended entries
Apr 27, 2022
Letter accompanying subsequently filed items
Apr 27, 2022
Request concerning representative opponent
Apr 27, 2022
Request concerning representative opponent
Mar 1, 2022
Communication of a notice of opposition and request to file observations
Mar 1, 2022
Notice of further oppositions to opponent(s)
Feb 16, 2022
Communication of a notice of opposition - first information to patent proprietor
Feb 11, 2022
(Electronic) Receipt
Feb 11, 2022
Citation in opposition procedure - 001
Feb 11, 2022
Consolidated list of cited opposition documents
Feb 11, 2022
Notice of opposition
Feb 11, 2022
Notice of opposition
Feb 3, 2022
Document concerning representation
Feb 3, 2022
Document concerning representation
May 26, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 15, 2021
Decision to grant a European patent
Apr 6, 2021
(Electronic) Receipt
Apr 6, 2021
French translation of claims
Apr 6, 2021
German translation of the claims
Apr 6, 2021
Letter accompanying subsequently filed items
Dec 18, 2020
Bibliographic data of the European patent application
Dec 18, 2020
Communication about intention to grant a European patent
Dec 18, 2020
Intention to grant (signatures)
Dec 18, 2020
Text intended for grant (clean copy)
Dec 18, 2020
Text intended for grant (version for approval)
Nov 30, 2020
Examination started
May 2, 2019
Notification on forthcoming publication of bibliographic data
Mar 13, 2019
(Electronic) Receipt
Mar 13, 2019
Amended claims filed after receipt of (European) search report
Mar 13, 2019
Amended claims with annotations
Mar 13, 2019
Amended description filed after receipt of (European) search report
Mar 13, 2019
Amendments received before examination
Mar 13, 2019
Letter accompanying subsequently filed items
Feb 26, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 22, 2019
Communication to designated inventor
Feb 19, 2019
Priority search results copy provided by EPO
Feb 5, 2019
Copy of the international preliminary report on patentability
Jan 2, 2019
Information regarding early processing
Dec 13, 2018
(Electronic) Receipt
Dec 13, 2018
Request for entry into the European phase
Nov 30, 2018
Information on entry into European phase
Jun 19, 2018
Notification of the recording of a change
Jun 19, 2018
Notification of the recording of a change
Feb 12, 2018
Priority document (electronically transmitted)
Jan 25, 2018
Copy of the international search report
Jan 25, 2018
Published international application - A1
Sep 28, 2017
ISR: cited documents
Sep 27, 2017
Written opinion of the ISA, boxes No. I to VIII
Sep 27, 2017
Written opinion of the ISA, cover sheet
Sep 27, 2017
Written opinion of the ISA, supplemental box
Jul 7, 2017
Notification of receipt of Search copy
Jul 4, 2017
Notification of the international application number and of the international filing date
Jul 4, 2017
Request form for international application (copy for ISA/EP)
Jun 29, 2017
(Electronic) Receipt
Jun 29, 2017
Abstract
Jun 29, 2017
Claims
Jun 29, 2017
Description
Jun 29, 2017
Document concerning fees and payments
Jun 29, 2017
Drawings
Jun 29, 2017
Electronic request for grant of an International application
Jun 29, 2017
Priority document (RO-procedure)

EP3488153

EON SVERIGE

Application Number: EP17732480A
Filing Date: Jun 29, 2017
Status: Patent Maintained As Amended; Jan 23, 2026
Publication Date: Feb 25, 2026
External Links: Slate, Register , Google Patents

IP Verse

Heat Transfer System

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3488153