Plate Heat Exchanger

Patent No. EP3674645 (titled "Plate Heat Exchanger") was filed by Danfoss on Aug 8, 2019. The application was issued on Jul 24, 2024.

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
SWEP	May 2, 2022	STROM & GULLIKSSON

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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Jun 27, 2024
Decision to maintain the European patent in amended form
Jun 27, 2024
Decision to maintain the European patent in amended form
Jun 19, 2024
(Electronic) Receipt
Jun 19, 2024
Filing of the translation of the amended claims
Jun 19, 2024
French translation of claims
Jun 19, 2024
German translation of the claims
Jun 19, 2024
Letter accompanying subsequently filed items
Apr 25, 2024
Communication of bibliographic data
Apr 25, 2024
Communication to opponent concerning maintenance
Apr 25, 2024
Communication with request to file translations
Apr 15, 2024
Maintenance of the patent with the documents specified in the final decision
Dec 6, 2023
Advice of delivery
Dec 4, 2023
Advice of delivery
Dec 4, 2023
Decision of the Opposition Division and instruction
Dec 4, 2023
Druckexemplar in opposition procedure
Dec 4, 2023
Grounds for the decision (Annex) - opposition
Dec 4, 2023
Interlocutory decision in opposition proceedings
Dec 4, 2023
Interlocutory decision in opposition proceedings
Dec 4, 2023
Means of redress
Dec 4, 2023
Scanned annex to a communication - opposition procedure
Dec 4, 2023
Transmittal of decision / summons - opposition
Dec 4, 2023
Transmittal of decision / summons - opposition
Nov 15, 2023
(Electronic) Receipt
Nov 15, 2023
Amended description with annotations
Nov 15, 2023
Annex to the communication - opposition
Nov 15, 2023
Brief communication - Opposition proceedings
Nov 15, 2023
Brief communication - Opposition proceedings
Nov 15, 2023
Brief communication - Opposition proceedings
Nov 15, 2023
Brief communication - Opposition proceedings
Nov 15, 2023
Description
Nov 15, 2023
Letter accompanying subsequently filed items
Nov 15, 2023
Letter regarding the opposition procedure (no time limit)
Nov 15, 2023
Letter regarding the opposition procedure (no time limit)
Nov 15, 2023
Notification concerning the date of oral proceedings
Nov 15, 2023
Notification concerning the date of oral proceedings
Nov 14, 2023
(Electronic) Receipt
Nov 14, 2023
Annex to the communication - opposition
Nov 14, 2023
Brief communication - Opposition proceedings
Nov 14, 2023
Letter accompanying subsequently filed items
Nov 14, 2023
Withdrawal of a request for oral proceedings
Sep 19, 2023
Brief communication - Opposition proceedings
Sep 14, 2023
(Electronic) Receipt
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure
Sep 14, 2023
Auxiliary request during Opposition procedure - 01
Sep 14, 2023
Auxiliary request during Opposition procedure - 03
Sep 14, 2023
Auxiliary request during Opposition procedure - 03
Sep 14, 2023
Auxiliary request during Opposition procedure - 04
Sep 14, 2023
Auxiliary request during Opposition procedure - 04
Sep 14, 2023
Auxiliary request during Opposition procedure - 05
Sep 14, 2023
Auxiliary request during Opposition procedure - 05
Sep 14, 2023
Auxiliary request during Opposition procedure - 05
Sep 14, 2023
Auxiliary request during Opposition procedure - 06
Sep 14, 2023
Auxiliary request during Opposition procedure - 06
Sep 14, 2023
Auxiliary request during Opposition procedure - 07
Sep 14, 2023
Letter accompanying subsequently filed items
Sep 14, 2023
Main request during Opposition procedure
Sep 14, 2023
Main request during Opposition procedure
Sep 14, 2023
Written submission in preparation to/during oral proceedings
Sep 5, 2023
Brief communication - Opposition proceedings
Aug 31, 2023
(Electronic) Receipt
Aug 31, 2023
Letter accompanying subsequently filed items
Aug 31, 2023
Request for interpreters during oral proceedings
Feb 9, 2023
Advice of delivery
Feb 3, 2023
Advice of delivery
Feb 3, 2023
Annex to the communication - opposition
Feb 3, 2023
Information concerning oral proceedings
Feb 3, 2023
Scanned annex to a communication - opposition procedure
Feb 3, 2023
Summons to attend oral proceedings
Feb 3, 2023
Summons to attend oral proceedings
Feb 3, 2023
Transmittal of decision / summons - opposition
Feb 3, 2023
Transmittal of decision / summons - opposition
Sep 9, 2022
Brief communication - Opposition proceedings
Sep 6, 2022
(Electronic) Receipt
Sep 6, 2022
Letter accompanying subsequently filed items
Sep 6, 2022
Reply of the patent proprietor to the notice(s) of opposition
May 19, 2022
Communication of a notice of opposition and request to file observations
May 19, 2022
Notice of further oppositions to opponent(s)
May 6, 2022
Communication of a notice of opposition - first information to patent proprietor
May 2, 2022
(Electronic) Receipt
May 2, 2022
Citation in opposition procedure - 001
May 2, 2022
Citation in opposition procedure - 002
May 2, 2022
Citation in opposition procedure - 003
May 2, 2022
Citation in opposition procedure - 004
May 2, 2022
Citation in opposition procedure - 005
May 2, 2022
Citation in opposition procedure - 006
May 2, 2022
Citation in opposition procedure - 007
May 2, 2022
Citation in opposition procedure - 008
May 2, 2022
Citation in opposition procedure - 009
May 2, 2022
Citation in opposition procedure - 009
May 2, 2022
Citation in opposition procedure - 010
May 2, 2022
Citation in opposition procedure - 010
May 2, 2022
Consolidated list of cited opposition documents
May 2, 2022
Notice of opposition
May 2, 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 22, 2021
Transmittal of third party observations to applicant
Jun 21, 2021
(Electronic) Receipt
Jun 21, 2021
Filing of the translations of the claims
Jun 21, 2021
French translation of claims
Jun 21, 2021
German translation of the claims
Jun 21, 2021
Letter accompanying subsequently filed items
Jun 17, 2021
Information about non-relevance of third-party observations
Jun 16, 2021
Non-patent literature filed by a third party
Jun 16, 2021
Non-patent literature filed by a third party
Jun 16, 2021
Non-patent literature filed by a third party
Jun 16, 2021
Observations by third parties
Jun 16, 2021
Observations by third parties
Jun 16, 2021
Patent document filed by a Third party
Jun 16, 2021
Patent document filed by a Third party
Jun 16, 2021
Patent document filed by a Third party
Mar 31, 2021
Bibliographic data of the European patent application
Mar 31, 2021
Communication about intention to grant a European patent
Mar 31, 2021
Intention to grant (signatures)
Mar 31, 2021
Text intended for grant (clean copy)
Mar 31, 2021
Text intended for grant (version for approval)
Jan 14, 2021
(Electronic) Receipt
Jan 14, 2021
Amended claims with annotations
Jan 14, 2021
Claims
Jan 14, 2021
Letter accompanying subsequently filed items
Jan 14, 2021
Reply to communication from the Examining Division
Dec 11, 2020
Annex to the communication
Dec 11, 2020
Consultation by telephone/in person (with time limit)
Dec 11, 2020
Result of consultation by telephone/in person
Nov 30, 2020
Examination started
Nov 23, 2020
(Electronic) Receipt
Nov 23, 2020
Letter accompanying subsequently filed items
Nov 23, 2020
Statement of non-availability of priority search results
Nov 13, 2020
Invitation to file a copy of search results(priority)
Nov 4, 2020
(Electronic) Receipt
Nov 4, 2020
Amended claims filed after receipt of (European) search report
Nov 4, 2020
Amended claims with annotations
Nov 4, 2020
Amended description filed after receipt of (European) search report
Nov 4, 2020
Amended description with annotations
Nov 4, 2020
Amendments received before examination
Nov 4, 2020
Letter accompanying subsequently filed items
Nov 4, 2020
Letter concerning fees and payments
Jul 6, 2020
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jun 4, 2020
Notification of forthcoming publication
Feb 13, 2020
Communication regarding the transmission of the European search report
Feb 13, 2020
European search opinion
Feb 13, 2020
European search report
Feb 13, 2020
Information on Search Strategy
Feb 4, 2020
Document concerning representation
Feb 4, 2020
Search started
Oct 24, 2019
Confirmation of receipt of (electronically) transmitted priority document
Oct 8, 2019
Priority document (electronically transmitted)
Oct 1, 2019
Communication to designated inventor
Oct 1, 2019
Communication to designated inventor
Aug 8, 2019
Abstract
Aug 8, 2019
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 8, 2019
Claims
Aug 8, 2019
Description
Aug 8, 2019
Designation of inventor
Aug 8, 2019
Drawings
Aug 8, 2019
Request for grant of a European patent

EP3674645

DANFOSS

Application Number: EP19190805A
Filing Date: Aug 8, 2019
Status: Patent Maintained As Amended; Jun 20, 2024
Publication Date: Jul 24, 2024
External Links: Slate, Register , Google Patents

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Plate Heat Exchanger

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Dossier Documents

EP3674645