Fine Particle Measurement Device

Patent No. EP3770580 (titled "Fine Particle Measurement Device") was filed by Sumitomo Electric Industries on Mar 15, 2019. The application was issued on Aug 20, 2025.

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 2, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 24, 2025
Decision to grant a European patent
Jul 16, 2025
(Electronic) Receipt
Jul 16, 2025
Filing of the translations of the claims
Jul 16, 2025
French translation of claims
Jul 16, 2025
German translation of the claims
Jul 16, 2025
Letter accompanying subsequently filed items
Apr 3, 2025
Annex to the communication about intention to grant a European patent
Apr 3, 2025
Bibliographic data of the European patent application
Apr 3, 2025
Communication about intention to grant a European patent
Apr 3, 2025
Intention to grant (signatures)
Apr 3, 2025
Text intended for grant (clean copy)
Apr 3, 2025
Text intended for grant (version for approval)
Mar 31, 2025
Bibliographic data of the European patent application
Jan 11, 2024
(Electronic) Receipt
Jan 11, 2024
Amended claims with annotations
Jan 11, 2024
Amended description with annotations
Jan 11, 2024
Claims
Jan 11, 2024
Description
Jan 11, 2024
Letter accompanying subsequently filed items
Jan 11, 2024
Reply to communication from the Examining Division
Oct 13, 2023
Annex to a communication
Oct 13, 2023
Annex to a communication
Oct 13, 2023
Annex to the communication
Oct 13, 2023
Communication from the Examining Division
Oct 9, 2023
Examination started
Nov 15, 2021
(Electronic) Receipt
Nov 15, 2021
Amended claims filed after receipt of (European) search report
Nov 15, 2021
Amended claims with annotations
Nov 15, 2021
Amended description filed after receipt of (European) search report
Nov 15, 2021
Amended description with annotations
Nov 15, 2021
Amendments received before examination
Nov 15, 2021
Letter accompanying subsequently filed items
May 4, 2021
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 16, 2021
Communication regarding the transmission of the European search report
Apr 16, 2021
European search opinion
Apr 16, 2021
Information on Search Strategy
Apr 16, 2021
Supplementary European search report
Mar 30, 2021
Search started
Jan 13, 2021
Notification of forthcoming publication
Oct 23, 2020
Communication to designated inventor
Oct 23, 2020
Communication to designated inventor
Oct 23, 2020
Communication to designated inventor
Oct 23, 2020
Communication to designated inventor
Oct 5, 2020
Copy of the international preliminary report on patentability
Oct 5, 2020
Translation of the international preliminary report on patentability
Sep 25, 2020
Priority document (electronically transmitted)
Sep 21, 2020
(Electronic) Receipt
Sep 21, 2020
Abstract
Sep 21, 2020
Claims
Sep 21, 2020
Description
Sep 21, 2020
Drawings
Sep 21, 2020
Request for entry into the European phase
Jul 31, 2020
Information on entry into European phase
Oct 24, 2019
Priority document (electronically transmitted)
Sep 26, 2019
Copy of the international search report
Sep 26, 2019
Copy of the translated international search report
Sep 26, 2019
International publication pamphlet

EP3770580

SUMITOMO ELECTRIC INDUSTRIES

Application Number: EP19772371A
Filing Date: Mar 15, 2019
Status: Granted And Under Opposition; Jul 18, 2025
Publication Date: Aug 20, 2025
External Links: Slate, Register , Google Patents

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Fine Particle Measurement Device

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Dossier Documents

EP3770580