Ptc Heating Module For Heating A Fluid

Patent No. EP3584808 (titled "Ptc Heating Module For Heating A Fluid") was filed by Mahle on Jun 18, 2018. The application was issued on Oct 6, 2021.

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
EBERSPACHER CATEM	Mar 28, 2022	RUTTENSPERGER LACHNIT TROSSIN GOMOLL

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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Nov 12, 2025
Decision of the Board of Appeal
Nov 12, 2025
F3032 Notification(s) of the decision
Nov 12, 2025
F3032 Notification(s) of the decision
Oct 14, 2025
F3013 Oral Proceedings: Forwarding minutes
Oct 14, 2025
F3013 Oral Proceedings: Forwarding minutes
Oct 14, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Sep 24, 2025
F3345 Forwarding of submissions to parties
Sep 12, 2025
(Electronic) Receipt
Sep 12, 2025
Letter accompanying subsequently filed items
Sep 12, 2025
Letter dealing with oral proceedings during the appeal procedure
Sep 10, 2025
(Electronic) Receipt
Sep 10, 2025
Letter accompanying subsequently filed items
Sep 10, 2025
Letter dealing with oral proceedings during the appeal procedure
Aug 11, 2025
F3345 Forwarding of submissions to parties
Aug 4, 2025
(Electronic) Receipt
Aug 4, 2025
(Electronic) Receipt
Aug 4, 2025
Letter accompanying subsequently filed items
Aug 4, 2025
Letter accompanying subsequently filed items
Aug 4, 2025
Letter dealing with oral proceedings during the appeal procedure
Aug 4, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 28, 2025
Oral proceedings: change of venue
Jul 28, 2025
Oral proceedings: change of venue
Jul 24, 2025
F3345 Forwarding of submissions to parties
Jul 21, 2025
(Electronic) Receipt
Jul 21, 2025
Letter accompanying subsequently filed items
Jul 21, 2025
Letter dealing with oral proceedings during the appeal procedure
Apr 28, 2025
F3011.1 Oral Proceedings: summons
Apr 28, 2025
F3011.1 Oral Proceedings: summons
Apr 28, 2025
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Apr 22, 2025
F3010 Oral proceedings: order for summons
Mar 3, 2025
F3303.16 Change of composition of the Board (T)
Oct 29, 2024
Standard Communication Rule 103 (2) EPC
Oct 29, 2024
Standard Communication Rule 103 (2) EPC
Sep 16, 2024
Composition of the board (T)
May 10, 2024
F3345 Forwarding of submissions to parties
May 6, 2024
(Electronic) Receipt
May 6, 2024
Letter accompanying subsequently filed items
May 6, 2024
Letter relating to Appeal Procedure
Mar 11, 2024
F3345 Forwarding of submissions to parties
Feb 22, 2024
(Electronic) Receipt
Feb 22, 2024
Amended claims with annotations
Feb 22, 2024
Amended claims with annotations
Feb 22, 2024
Amended claims with annotations
Feb 22, 2024
Auxiliary request during appeals procedure - 01
Feb 22, 2024
Auxiliary request during appeals procedure - 02
Feb 22, 2024
Auxiliary request during appeals procedure - 03
Feb 22, 2024
Letter accompanying subsequently filed items
Feb 22, 2024
Reply to appeal
Nov 21, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 16, 2023
(Electronic) Receipt
Nov 16, 2023
Annexes (other than cited documents) regarding appeal procedure
Nov 16, 2023
Letter accompanying subsequently filed items
Nov 16, 2023
Statement of grounds of appeal
Sep 1, 2023
F3204 Communication of the file number to the parties
Sep 1, 2023
F3204 Communication of the file number to the parties
Aug 28, 2023
(Electronic) Receipt
Aug 28, 2023
Letter accompanying subsequently filed items
Aug 28, 2023
Notice of appeal
Jul 18, 2023
Advice of delivery
Jul 13, 2023
Annex to the communication - opposition
Jul 13, 2023
Decision rejecting the opposition
Jul 13, 2023
Decision rejecting the opposition
Jul 13, 2023
Grounds for the decision (Annex) - opposition
Jul 13, 2023
Means of redress
Jul 13, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 13, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 13, 2023
Provision of a copy of the minutes - opposition procedure
Jul 13, 2023
Provision of a copy of the minutes - opposition procedure
Jul 13, 2023
Scanned annex to a communication - opposition procedure
Jul 13, 2023
Transmittal of decision / summons - opposition
Jul 13, 2023
Transmittal of decision / summons - opposition
Jul 11, 2023
Decision of the Opposition Division and instruction
Jun 22, 2023
Information about the result of oral proceedings
May 24, 2023
(Electronic) Receipt
May 24, 2023
Letter accompanying subsequently filed items
May 9, 2023
(Electronic) Receipt
May 9, 2023
Letter accompanying subsequently filed items
May 9, 2023
Written submission in preparation to/during oral proceedings
Mar 21, 2023
Brief communication - Opposition proceedings
Mar 16, 2023
(Electronic) Receipt
Mar 16, 2023
Letter accompanying subsequently filed items
Mar 16, 2023
Written submission in preparation to/during oral proceedings
Mar 15, 2023
(Electronic) Receipt
Feb 27, 2023
Brief communication - Opposition proceedings
Feb 20, 2023
(Electronic) Receipt
Feb 20, 2023
Letter accompanying subsequently filed items
Feb 20, 2023
Written submission in preparation to/during oral proceedings
Feb 2, 2023
(Electronic) Receipt
Feb 2, 2023
Letter accompanying subsequently filed items
Jan 24, 2023
Brief communication - Opposition proceedings
Jan 19, 2023
(Electronic) Receipt
Jan 19, 2023
Letter accompanying subsequently filed items
Jan 19, 2023
Written submission in preparation to/during oral proceedings
Dec 12, 2022
Advice of delivery
Dec 9, 2022
Annex to the communication - opposition
Dec 9, 2022
Information concerning oral proceedings
Dec 9, 2022
Scanned annex to a communication - opposition procedure
Dec 9, 2022
Summons to attend oral proceedings
Dec 9, 2022
Summons to attend oral proceedings
Dec 9, 2022
Transmittal of decision / summons - opposition
Dec 5, 2022
Brief communication - Opposition proceedings
Nov 30, 2022
(Electronic) Receipt
Nov 30, 2022
Letter accompanying subsequently filed items
Nov 30, 2022
Letter regarding the opposition procedure (no time limit)
Aug 4, 2022
Brief communication - Opposition proceedings
Aug 1, 2022
(Electronic) Receipt
Aug 1, 2022
Auxiliary request during Opposition procedure
Aug 1, 2022
Auxiliary request during Opposition procedure
Aug 1, 2022
Auxiliary request during Opposition procedure
Aug 1, 2022
Auxiliary request during Opposition procedure - 01
Aug 1, 2022
Auxiliary request during Opposition procedure - 02
Aug 1, 2022
Auxiliary request during Opposition procedure - 03
Aug 1, 2022
Letter accompanying subsequently filed items
Aug 1, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jul 20, 2022
Communication of a notice of opposition and request to file observations
Jul 20, 2022
Notice of further oppositions to opponent(s)
Mar 31, 2022
Communication of a notice of opposition - first information to patent proprietor
Mar 28, 2022
(Electronic) Receipt
Mar 28, 2022
Any annexes (other than citation) to an opposition letter
Mar 28, 2022
Citation in opposition procedure - 001
Mar 28, 2022
Citation in opposition procedure - 002
Mar 28, 2022
Citation in opposition procedure - 003
Mar 28, 2022
Citation in opposition procedure - 004
Mar 28, 2022
Citation in opposition procedure - 005
Mar 28, 2022
Citation in opposition procedure - 006
Mar 28, 2022
Citation in opposition procedure - 007
Mar 28, 2022
Citation in opposition procedure - 008
Mar 28, 2022
Consolidated list of cited opposition documents
Mar 28, 2022
Notice of opposition
Mar 28, 2022
Notice of opposition
Oct 19, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 9, 2021
Decision to grant a European patent
Aug 26, 2021
(Electronic) Receipt
Aug 26, 2021
Filing of the translations of the claims
Aug 26, 2021
French translation of claims
Aug 26, 2021
German translation of the claims
Aug 26, 2021
Letter accompanying subsequently filed items
Jun 23, 2021
Bibliographic data of the European patent application
Jun 23, 2021
Communication about intention to grant a European patent
Jun 23, 2021
Intention to grant (signatures)
Jun 23, 2021
Text intended for grant (clean copy)
Jun 23, 2021
Text intended for grant (version for approval)
May 12, 2021
Examination started
May 12, 2020
(Electronic) Receipt
May 12, 2020
Amended claims filed after receipt of (European) search report
May 12, 2020
Amended claims with annotations
May 12, 2020
Amendments received before examination
May 12, 2020
Letter accompanying subsequently filed items
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
Dec 21, 2018
Communication regarding the transmission of the European search report
Dec 21, 2018
European search opinion
Dec 21, 2018
European search report
Dec 21, 2018
Information on Search Strategy
Dec 10, 2018
Search started
Aug 10, 2018
Communication to designated inventor
Aug 10, 2018
Communication to designated inventor
Aug 10, 2018
Communication to designated inventor
Aug 10, 2018
Communication to designated inventor
Jun 18, 2018
Abstract
Jun 18, 2018
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jun 18, 2018
Claims
Jun 18, 2018
Description
Jun 18, 2018
Designation of inventor
Jun 18, 2018
Drawings
Jun 18, 2018
Request for grant of a European patent

EP3584808

MAHLE

Application Number: EP18178212A
Filing Date: Jun 18, 2018
Status: Granted And Under Opposition; Sep 3, 2021
Publication Date: Oct 6, 2021
External Links: Slate, Register , Google Patents

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Ptc Heating Module For Heating A Fluid

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Dossier Documents

EP3584808