Heat Exchanger

Patent No. EP3524913 (titled "Heat Exchanger") was filed by Sumitomo Precision Products on Oct 7, 2016. The application was issued on Apr 6, 2022.

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	Jan 6, 2023	-

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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Sep 9, 2024
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 9, 2024
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jun 4, 2024
Annex to the communication - opposition
Jun 4, 2024
Brief communication - Opposition proceedings
Jun 4, 2024
Brief communication - Opposition proceedings
Jun 4, 2024
Decision of the Opposition Division and instruction
Jun 4, 2024
Decision revoking the European patent
Jun 4, 2024
Decision revoking the European patent
Jun 4, 2024
Grounds for the decision (Annex) - opposition
Jun 4, 2024
Means of redress
Jun 4, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 4, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 4, 2024
Provision of a copy of the minutes - opposition procedure
Jun 4, 2024
Provision of a copy of the minutes - opposition procedure
Jun 4, 2024
Scanned annex to a communication - opposition procedure
Apr 23, 2024
Brief communication - Opposition proceedings
Apr 23, 2024
Information about the result of oral proceedings
Apr 23, 2024
Notification concerning the date of oral proceedings
Apr 23, 2024
Notification concerning the date of oral proceedings
Apr 22, 2024
(Electronic) Receipt
Apr 22, 2024
Letter accompanying subsequently filed items
Apr 22, 2024
Withdrawal of a request for oral proceedings
Apr 18, 2024
(Electronic) Receipt
Apr 18, 2024
Letter accompanying subsequently filed items
Apr 18, 2024
Withdrawal of a request for oral proceedings
Mar 22, 2024
Brief communication - Opposition proceedings
Mar 21, 2024
(Electronic) Receipt
Mar 21, 2024
Letter accompanying subsequently filed items
Mar 21, 2024
Written submission in preparation to/during oral proceedings
Feb 29, 2024
Brief communication - Opposition proceedings
Feb 23, 2024
(Electronic) Receipt
Feb 23, 2024
Auxiliary request during Opposition procedure
Feb 23, 2024
Auxiliary request during Opposition procedure
Feb 23, 2024
Auxiliary request during Opposition procedure
Feb 23, 2024
Auxiliary request during Opposition procedure
Feb 23, 2024
Auxiliary request during Opposition procedure
Feb 23, 2024
Auxiliary request during Opposition procedure
Feb 23, 2024
Auxiliary request during Opposition procedure
Feb 23, 2024
Auxiliary request during Opposition procedure
Feb 23, 2024
Auxiliary request during Opposition procedure - 01
Feb 23, 2024
Auxiliary request during Opposition procedure - 02
Feb 23, 2024
Auxiliary request during Opposition procedure - 03
Feb 23, 2024
Auxiliary request during Opposition procedure - 04
Feb 23, 2024
Auxiliary request during Opposition procedure - 05
Feb 23, 2024
Auxiliary request during Opposition procedure - 06
Feb 23, 2024
Auxiliary request during Opposition procedure - 07
Feb 23, 2024
Auxiliary request during Opposition procedure - 08
Feb 23, 2024
Letter accompanying subsequently filed items
Feb 23, 2024
Main request during Opposition procedure
Feb 23, 2024
Main request during Opposition procedure
Feb 23, 2024
Written submission in preparation to/during oral proceedings
Feb 16, 2024
Brief communication - Opposition proceedings
Feb 9, 2024
(Electronic) Receipt
Feb 9, 2024
Letter accompanying subsequently filed items
Feb 9, 2024
Written submission in preparation to/during oral proceedings
Oct 20, 2023
(Electronic) Receipt
Oct 20, 2023
Advice of delivery
Oct 20, 2023
Letter accompanying subsequently filed items
Sep 29, 2023
Annex to the communication - opposition
Sep 29, 2023
Information concerning oral proceedings
Sep 29, 2023
Scanned annex to a communication - opposition procedure
Sep 29, 2023
Summons to attend oral proceedings
Sep 29, 2023
Summons to attend oral proceedings
Sep 29, 2023
Transmittal of decision / summons - opposition
Sep 29, 2023
Transmittal of decision / summons - opposition
May 31, 2023
Brief communication - Opposition proceedings
May 24, 2023
Reply of the patent proprietor to the notice(s) of opposition
Jan 24, 2023
Communication of a notice of opposition and request to file observations
Jan 24, 2023
Notice of further oppositions to opponent(s)
Jan 12, 2023
Communication of a notice of opposition - first information to patent proprietor
Jan 6, 2023
(Electronic) Receipt
Jan 6, 2023
Any annexes (other than citation) to an opposition letter
Jan 6, 2023
Citation in opposition procedure - 001
Jan 6, 2023
Citation in opposition procedure - 002
Jan 6, 2023
Citation in opposition procedure - 003
Jan 6, 2023
Citation in opposition procedure - 004
Jan 6, 2023
Citation in opposition procedure - 005
Jan 6, 2023
Citation in opposition procedure - 006
Jan 6, 2023
Citation in opposition procedure - 007
Jan 6, 2023
Citation in opposition procedure - 007
Jan 6, 2023
Citation in opposition procedure - 008
Jan 6, 2023
Citation in opposition procedure - 009
Jan 6, 2023
Citation in opposition procedure - 010
Jan 6, 2023
Citation in opposition procedure - 011
Jan 6, 2023
Citation in opposition procedure - 012
Jan 6, 2023
Citation in opposition procedure - 013
Jan 6, 2023
Citation in opposition procedure - 013
Jan 6, 2023
Consolidated list of cited opposition documents
Jan 6, 2023
Letter accompanying subsequently filed items
Jan 6, 2023
Notice of opposition
Jan 6, 2023
Notice of opposition
Apr 21, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 11, 2022
Decision to grant a European patent
Feb 24, 2022
(Electronic) Receipt
Feb 24, 2022
Filing of the translations of the claims
Feb 24, 2022
French translation of claims
Feb 24, 2022
German translation of the claims
Feb 24, 2022
Letter accompanying subsequently filed items
Oct 27, 2021
Bibliographic data of the European patent application
Oct 27, 2021
Communication about intention to grant a European patent
Oct 27, 2021
Intention to grant (signatures)
Oct 27, 2021
Text intended for grant (clean copy)
Oct 27, 2021
Text intended for grant (version for approval)
Sep 8, 2021
(Electronic) Receipt
Sep 8, 2021
Amended claims with annotations
Sep 8, 2021
Claims
Sep 8, 2021
Letter accompanying subsequently filed items
Sep 8, 2021
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 7, 2021
Bibliographic data of the European patent application
May 7, 2021
Communication about intention to grant a European patent
May 7, 2021
Intention to grant (signatures)
May 7, 2021
Text intended for grant (clean copy)
May 7, 2021
Text intended for grant (version for approval)
Jan 8, 2021
Amended claims with annotations
Jan 8, 2021
Amended description with annotations
Jan 8, 2021
Claims
Jan 8, 2021
Description
Jan 8, 2021
Reply to communication from the Examining Division
Sep 8, 2020
Annex to the communication
Sep 8, 2020
Communication from the Examining Division
Sep 2, 2020
Examination started
Mar 24, 2020
Amended claims filed after receipt of (European) search report
Mar 24, 2020
Amended claims with annotations
Mar 24, 2020
Amendments received before examination
Oct 7, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 17, 2019
Communication regarding the transmission of the European search report
Sep 17, 2019
European search opinion
Sep 17, 2019
Information on Search Strategy
Sep 17, 2019
Supplementary European search report
Sep 4, 2019
Search started
Jul 17, 2019
Notification of forthcoming publication
May 10, 2019
Communication to designated inventor
May 10, 2019
Communication to designated inventor
May 10, 2019
Communication to designated inventor
May 9, 2019
Copy of the international preliminary report on patentability
May 9, 2019
Translation of the international preliminary report on patentability
Apr 24, 2019
Information regarding early processing
Apr 9, 2019
Copy of the international preliminary report on patentability
Apr 9, 2019
Translation of the international preliminary report on patentability
Apr 5, 2019
(Electronic) Receipt
Apr 5, 2019
Abstract
Apr 5, 2019
Amended claims filed after receipt of (European) search report
Apr 5, 2019
Amended claims with annotations
Apr 5, 2019
Amendments received before examination
Apr 5, 2019
Claims
Apr 5, 2019
Description
Apr 5, 2019
Drawings
Apr 5, 2019
Request for entry into the European phase
Feb 15, 2019
Information on entry into European phase
Apr 12, 2018
Copy of the international search report
Apr 12, 2018
Copy of the translated international search report
Apr 12, 2018
International publication pamphlet

EP3524913

SUMITOMO PRECISION PRODUCTS

Application Number: EP16918324A
Filing Date: Oct 7, 2016
Status: Revoked; Sep 6, 2024
Publication Date: Apr 6, 2022
External Links: Slate, Register , Google Patents

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Heat Exchanger

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Dossier Documents

EP3524913