Method And Device For Optically Examining A Liquid

Patent No. EP3589934 (titled "Method And Device For Optically Examining A Liquid") was filed by Marquardt on Feb 27, 2018. 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
English translation of the claims
Jul 16, 2025
Filing of the translations of the claims
Jul 16, 2025
French translation of claims
Jul 16, 2025
Letter accompanying subsequently filed items
May 13, 2025
Annex to a communication
May 13, 2025
Annex to a communication
May 13, 2025
Annex to a communication
May 13, 2025
Annex to a communication
May 13, 2025
Annex to the communication
May 13, 2025
Minutes of the oral proceedings (examining division)
May 13, 2025
Minutes of the oral proceedings (examining division)
May 13, 2025
Provision of a copy of the minutes of oral proceedings
May 12, 2025
Annex to the communication about intention to grant a European patent
May 12, 2025
Bibliographic data of the European patent application
May 12, 2025
Communication about intention to grant a European patent
May 12, 2025
Intention to grant (signatures)
May 12, 2025
Text intended for grant (clean copy)
May 12, 2025
Text intended for grant (version for approval)
Apr 7, 2025
(Electronic) Receipt
Apr 7, 2025
Amended claims with annotations
Apr 7, 2025
Amended claims with annotations
Apr 7, 2025
Claims
Apr 7, 2025
Claims
Apr 7, 2025
Letter accompanying subsequently filed items
Apr 7, 2025
Written submission in preparation to/during oral proceedings
Mar 28, 2025
Annex to the communication
Mar 28, 2025
Consultation by telephone/in person
Mar 28, 2025
Result of consultation by telephone/in person
Feb 27, 2025
(Electronic) Receipt
Feb 27, 2025
(Electronic) Receipt
Feb 27, 2025
Amended claims with annotations
Feb 27, 2025
Amended claims with annotations
Feb 27, 2025
Amended claims with annotations
Feb 27, 2025
Amended claims with annotations
Feb 27, 2025
Amended claims with annotations
Feb 27, 2025
Amended claims with annotations
Feb 27, 2025
Claims
Feb 27, 2025
Claims
Feb 27, 2025
Claims
Feb 27, 2025
Claims
Feb 27, 2025
Claims
Feb 27, 2025
Claims
Feb 27, 2025
Letter accompanying subsequently filed items
Feb 27, 2025
Letter accompanying subsequently filed items
Feb 27, 2025
Written submission in preparation to/during oral proceedings
Oct 22, 2024
Annex to the communication
Oct 22, 2024
Summons to attend oral proceedings
Jun 13, 2023
(Electronic) Receipt
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended description with annotations
Jun 13, 2023
Claims
Jun 13, 2023
Description
Jun 13, 2023
Letter accompanying subsequently filed items
Jun 13, 2023
Reply to communication from the Examining Division
May 25, 2023
Authorisation
Apr 25, 2023
Communication confirming withdrawal from representation
Apr 25, 2023
Communication of amended entries concerning the representative
Apr 19, 2023
(Electronic) Receipt
Apr 19, 2023
Letter accompanying subsequently filed items
Apr 19, 2023
Submission concerning change of applicant's representative
Mar 30, 2023
Extension of time limit granted
Mar 22, 2023
Miscellaneous requests concerning client data
Feb 24, 2023
Annex to the communication
Feb 24, 2023
Communication from the Examining Division
Jan 26, 2023
Invitation to file an authorisation
Jan 11, 2023
Submission concerning change of applicant's representative
Jan 2, 2023
Letter relating to the revocation of the automatic debiting procedure
Nov 25, 2021
(Electronic) Receipt
Nov 25, 2021
Amended claims with annotations
Nov 25, 2021
Claims
Nov 25, 2021
Letter accompanying subsequently filed items
Nov 25, 2021
Reply to communication from the Examining Division
Aug 25, 2021
Annex to the communication
Aug 25, 2021
Communication from the Examining Division
Aug 20, 2021
Examination started
Oct 21, 2020
Communication concerning signing of documents
Oct 13, 2020
Matter concerning the application
Oct 6, 2020
(Electronic) Receipt
Oct 6, 2020
Letter accompanying subsequently filed items
Oct 6, 2020
Submission concerning change of applicant's representative
Sep 16, 2020
(Electronic) Receipt
Sep 16, 2020
Letter accompanying subsequently filed items
Sep 16, 2020
Submission concerning change of applicant's representative
Sep 14, 2020
Communication of amended entries concerning the representative
Sep 8, 2020
Submission concerning change of applicant's representative
Jun 3, 2020
(Electronic) Receipt
Jun 3, 2020
Letter accompanying subsequently filed items
Jun 3, 2020
Priority search results
May 28, 2020
Invitation to file a copy of search results(priority)
Apr 2, 2020
(Electronic) Receipt
Apr 2, 2020
Amended claims filed after receipt of (European) search report
Apr 2, 2020
Amended claims with annotations
Apr 2, 2020
Amended description filed after receipt of (European) search report
Apr 2, 2020
Amended description with annotations
Apr 2, 2020
Amendments received before examination
Apr 2, 2020
Letter accompanying subsequently filed items
Feb 7, 2020
(Electronic) Receipt
Feb 7, 2020
Letter accompanying subsequently filed items
Dec 11, 2019
Notification on forthcoming publication of bibliographic data
Oct 7, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 7, 2019
Communication to designated inventor
Oct 7, 2019
Communication to designated inventor
Sep 16, 2019
Copy of the international preliminary report on patentability
Aug 7, 2019
(Electronic) Receipt
Aug 7, 2019
Request for entry into the European phase
Jul 12, 2019
Information on entry into European phase
Sep 26, 2018
Priority document (electronically transmitted)
Sep 7, 2018
Copy of the international search report
Sep 7, 2018
Copy of the international search report
Sep 7, 2018
Published international application - A1
Jun 8, 2018
Written opinion of the ISA, boxes No. I to VIII
Jun 8, 2018
Written opinion of the ISA, cover sheet
Jun 8, 2018
Written opinion of the ISA, supplemental box
Apr 30, 2018
(Electronic) Receipt
Apr 30, 2018
Incoming letter related to PCT RO
Apr 30, 2018
Substitute sheet (R26) - Drawings
Mar 28, 2018
Invitation to correct defects in the international application
Mar 28, 2018
Notification of the international application number and of the international filing date
Mar 13, 2018
Incoming letter related to PCT RO
Feb 27, 2018
(Electronic) Receipt
Feb 27, 2018
Abstract
Feb 27, 2018
Claims
Feb 27, 2018
Description
Feb 27, 2018
Document concerning fees and payments
Feb 27, 2018
Drawings
Feb 27, 2018
Electronic request for grant of an International application

EP3589934

MARQUARDT

Application Number: EP18711024A
Filing Date: Feb 27, 2018
Status: Granted And Under Opposition; Jul 18, 2025
Publication Date: Aug 20, 2025
External Links: Slate, Register , Google Patents

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Method And Device For Optically Examining A Liquid

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Dossier Documents

EP3589934