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Method For Producing A Plate Heat Exchanger And Plate Heat Exchanger With Thermocouples Or Resistors

Patent No. EP3680599 (titled "Method For Producing A Plate Heat Exchanger And Plate Heat Exchanger With Thermocouples Or Resistors") was filed by Linde on Jan 7, 2020. The application was issued on Mar 12, 2025.

Patent Summary

Patent Family

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
LAIR LIQUIDE	May 17, 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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Feb 13, 2025
Decision to maintain the European patent in amended form
Feb 13, 2025
Decision to maintain the European patent in amended form
Jul 17, 2024
(Electronic) Receipt
Jul 17, 2024
English translation of the claims
Jul 17, 2024
Filing of the translation of the amended claims
Jul 17, 2024
French translation of claims
Jul 17, 2024
Letter accompanying subsequently filed items
May 7, 2024
Communication of bibliographic data
May 7, 2024
Communication to opponent concerning maintenance
May 7, 2024
Communication with request to file translations
Apr 30, 2024
Maintenance of the patent with the documents specified in the final decision
Jan 12, 2024
(Electronic) Receipt
Jan 12, 2024
Advice of delivery
Jan 12, 2024
Letter accompanying subsequently filed items
Jan 3, 2024
Annex to the communication - opposition
Jan 3, 2024
Decision of the Opposition Division and instruction
Jan 3, 2024
Druckexemplar in opposition procedure
Jan 3, 2024
Grounds for the decision (Annex) - opposition
Jan 3, 2024
Interlocutory decision in opposition proceedings
Jan 3, 2024
Interlocutory decision in opposition proceedings
Jan 3, 2024
Means of redress
Jan 3, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 3, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 3, 2024
Provision of a copy of the minutes - opposition procedure
Jan 3, 2024
Provision of a copy of the minutes - opposition procedure
Jan 3, 2024
Scanned annex to a communication - opposition procedure
Jan 3, 2024
Scanned annex to a communication - opposition procedure
Jan 3, 2024
Scanned annex to a communication - opposition procedure
Jan 3, 2024
Transmittal of decision / summons - opposition
Jan 3, 2024
Transmittal of decision / summons - opposition
Nov 30, 2023
Information about the result of oral proceedings
Oct 27, 2023
Result of consultation by telephone/in person
Oct 9, 2023
Brief communication - Opposition proceedings
Oct 5, 2023
Brief communication - Opposition proceedings
Sep 29, 2023
(Electronic) Receipt
Sep 29, 2023
Citation in opposition procedure - 010
Sep 29, 2023
Citation in opposition procedure - 011
Sep 29, 2023
Consolidated list of cited opposition documents
Sep 29, 2023
Letter accompanying subsequently filed items
Sep 29, 2023
Written submission in preparation to/during oral proceedings
Sep 28, 2023
(Electronic) Receipt
Sep 28, 2023
Letter accompanying subsequently filed items
Sep 28, 2023
Main request during Opposition procedure
Sep 28, 2023
Main request during Opposition procedure
Sep 28, 2023
Written submission in preparation to/during oral proceedings
May 12, 2023
(Electronic) Receipt
May 12, 2023
Advice of delivery
May 12, 2023
Letter accompanying subsequently filed items
Apr 11, 2023
Advice of delivery
Apr 5, 2023
Annex to the communication - opposition
Apr 5, 2023
Information concerning oral proceedings
Apr 5, 2023
Summons to attend oral proceedings
Apr 5, 2023
Summons to attend oral proceedings
Apr 5, 2023
Transmittal of decision / summons - opposition
Apr 5, 2023
Transmittal of decision / summons - opposition
Feb 8, 2023
Brief communication - Opposition proceedings
Feb 3, 2023
(Electronic) Receipt
Feb 3, 2023
Letter accompanying subsequently filed items
Feb 3, 2023
Letter regarding the opposition procedure (no time limit)
Feb 1, 2023
Brief communication - Opposition proceedings
Jan 27, 2023
(Electronic) Receipt
Jan 27, 2023
Citation in opposition procedure - 007
Jan 27, 2023
Citation in opposition procedure - 007
Jan 27, 2023
Citation in opposition procedure - 008
Jan 27, 2023
Citation in opposition procedure - 009
Jan 27, 2023
Letter accompanying subsequently filed items
Jan 27, 2023
Letter regarding the opposition procedure (no time limit)
Oct 17, 2022
Brief communication - Opposition proceedings
Oct 11, 2022
(Electronic) Receipt
Oct 11, 2022
Auxiliary request during Opposition procedure
Oct 11, 2022
Auxiliary request during Opposition procedure
Oct 11, 2022
Auxiliary request during Opposition procedure
Oct 11, 2022
Auxiliary request during Opposition procedure
Oct 11, 2022
Auxiliary request during Opposition procedure
Oct 11, 2022
Auxiliary request during Opposition procedure
Oct 11, 2022
Auxiliary request during Opposition procedure - 01
Oct 11, 2022
Auxiliary request during Opposition procedure - 02
Oct 11, 2022
Auxiliary request during Opposition procedure - 03
Oct 11, 2022
Auxiliary request during Opposition procedure - 04
Oct 11, 2022
Auxiliary request during Opposition procedure - 05
Oct 11, 2022
Auxiliary request during Opposition procedure - 06
Oct 11, 2022
Letter accompanying subsequently filed items
Oct 11, 2022
Main request during Opposition procedure
Oct 11, 2022
Main request during Opposition procedure
Oct 11, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jun 2, 2022
Communication of a notice of opposition and request to file observations
Jun 2, 2022
Notice of further oppositions to opponent(s)
May 23, 2022
Communication of a notice of opposition - first information to patent proprietor
May 17, 2022
(Electronic) Receipt
May 17, 2022
Citation in opposition procedure - 001
May 17, 2022
Citation in opposition procedure - 001
May 17, 2022
Citation in opposition procedure - 002
May 17, 2022
Citation in opposition procedure - 003
May 17, 2022
Citation in opposition procedure - 003
May 17, 2022
Citation in opposition procedure - 004
May 17, 2022
Citation in opposition procedure - 005
May 17, 2022
Citation in opposition procedure - 006
May 17, 2022
Letter accompanying subsequently filed items
May 17, 2022
Notice of opposition
May 17, 2022
Notice of opposition
May 17, 2022
Notice of opposition
May 17, 2022
Patent document cited during the opposition procedure
May 17, 2022
Published international application - A1
Aug 31, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 22, 2021
Decision to grant a European patent
Jul 12, 2021
English translation of the claims
Jul 12, 2021
Filing of the translations of the claims
Jul 12, 2021
French translation of claims
Jul 12, 2021
Letter concerning fees and payments
Mar 22, 2021
Bibliographic data of the European patent application
Mar 22, 2021
Communication about intention to grant a European patent
Mar 22, 2021
Intention to grant (signatures)
Mar 22, 2021
Text intended for grant (clean copy)
Mar 22, 2021
Text intended for grant (version for approval)
Mar 3, 2021
Examination started
Jan 14, 2021
Amended claims filed after receipt of (European) search report
Jan 14, 2021
Amended claims with annotations
Jan 14, 2021
Amendments received before examination
Jan 14, 2021
Letter concerning fees and payments
Sep 15, 2020
Refund of fees
Jul 20, 2020
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jun 17, 2020
Notification of forthcoming publication
May 26, 2020
Communication regarding the transmission of the European search report
May 26, 2020
European search opinion
May 26, 2020
European search report
May 26, 2020
Information on Search Strategy
May 19, 2020
Priority search results copy provided by EPO
May 18, 2020
Communication of the registration of a transfer or change of name and/or address
May 13, 2020
Submission concerning change of applicant's name
May 12, 2020
Annexes in respect of a client data request
May 12, 2020
Annexes in respect of a client data request
May 12, 2020
Document concerning representation
May 12, 2020
Submission concerning change of applicant's name
May 11, 2020
Search started
Apr 30, 2020
Communication to designated inventor
Apr 21, 2020
Letter concerning the inventor
Apr 17, 2020
Invitation to indicate correct address of inventor
Apr 8, 2020
Letter which had not been notified
Mar 13, 2020
Communication to designated inventor
Mar 13, 2020
Communication to designated inventor
Mar 13, 2020
Communication to designated inventor
Mar 13, 2020
Communication to designated inventor
Mar 13, 2020
Communication to designated inventor
Mar 13, 2020
Communication to designated inventor
Feb 6, 2020
Confirmation of receipt of (electronically) transmitted priority document
Jan 23, 2020
Priority document (electronically transmitted)
Jan 7, 2020
Abstract
Jan 7, 2020
Claims
Jan 7, 2020
Description
Jan 7, 2020
Designation of inventor
Jan 7, 2020
Drawings
Jan 7, 2020
Request for grant of a European patent

EP3680599

LINDE

Application Number: EP20020008A
Filing Date: Jan 7, 2020
Status: Patent Maintained As Amended; Feb 7, 2025
Publication Date: Mar 12, 2025
External Links: Slate, Register , Google Patents