Generalized Quantum Channels

Patent No. EP3539061 (titled "Generalized Quantum Channels") was filed by Yale University on Nov 10, 2017. The application was issued on Aug 27, 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 9, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 31, 2025
Decision to grant a European patent
Jul 17, 2025
(Electronic) Receipt
Jul 17, 2025
Filing of the translations of the claims
Jul 17, 2025
French translation of claims
Jul 17, 2025
German translation of the claims
Mar 21, 2025
Annex to the communication about intention to grant a European patent
Mar 21, 2025
Bibliographic data of the European patent application
Mar 21, 2025
Communication about intention to grant a European patent
Mar 21, 2025
Intention to grant (signatures)
Mar 21, 2025
Text intended for grant (clean copy)
Mar 21, 2025
Text intended for grant (version for approval)
Aug 30, 2024
(Electronic) Receipt
Aug 30, 2024
Amended claims with annotations
Aug 30, 2024
Claims
Aug 30, 2024
Reply to communication from the Examining Division
Aug 30, 2024
Summary of subsequently filed documents
Aug 26, 2024
Grant of extension of time limit (examination procedure)
Aug 21, 2024
(Electronic) Receipt
Aug 21, 2024
Request for extension of time limit to communication from the Examining Division
Jun 26, 2024
Annex to the communication
Jun 26, 2024
Consultation by telephone/in person (with time limit)
Jun 26, 2024
Result of consultation by telephone/in person
Nov 24, 2023
(Electronic) Receipt
Nov 24, 2023
Amended claims with annotations
Nov 24, 2023
Amended description with annotations
Nov 24, 2023
Claims
Nov 24, 2023
Description
Nov 24, 2023
Letter accompanying subsequently filed items
Nov 24, 2023
Reply to communication from the Examining Division
Aug 7, 2023
Annex to the communication
Aug 7, 2023
Communication from the Examining Division
Jan 27, 2022
(Electronic) Receipt
Jan 27, 2022
Amended claims with annotations
Jan 27, 2022
Amended description with annotations
Jan 27, 2022
Claims
Jan 27, 2022
Description
Jan 27, 2022
Letter accompanying subsequently filed items
Jan 27, 2022
Reply to communication from the Examining Division
Dec 1, 2021
Grant of extension of time limit (examination procedure)
Nov 26, 2021
(Electronic) Receipt
Nov 26, 2021
Letter accompanying subsequently filed items
Nov 26, 2021
Request for extension of time limit to communication from the Examining Division
Jul 20, 2021
Annex to the communication
Jul 20, 2021
Communication from the Examining Division
Jul 15, 2021
Examination started
Dec 31, 2020
(Electronic) Receipt
Dec 31, 2020
Amended claims filed after receipt of (European) search report
Dec 31, 2020
Amended claims with annotations
Dec 31, 2020
Amendments received before examination
Dec 31, 2020
Letter accompanying subsequently filed items
Jun 26, 2020
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 9, 2020
Communication regarding the transmission of the European search report
Jun 9, 2020
European search opinion
Jun 9, 2020
Information on Search Strategy
Jun 9, 2020
Supplementary European search report
May 26, 2020
Search started
Dec 24, 2019
(Electronic) Receipt
Dec 24, 2019
Amended claims filed after receipt of (European) search report
Dec 24, 2019
Amended claims with annotations
Dec 24, 2019
Amendments received before examination
Dec 24, 2019
Letter accompanying subsequently filed items
Aug 21, 2019
Notification on forthcoming publication of bibliographic data
Jul 23, 2019
Invitation to indicate correct address of inventor
Jul 17, 2019
Letter which had not been notified
Jun 18, 2019
Communication regarding possible amendment of the application/payment of claims fee
Jun 14, 2019
Communication to designated inventor
Jun 14, 2019
Communication to designated inventor
Jun 14, 2019
Communication to designated inventor
Jun 14, 2019
Communication to designated inventor
Jun 14, 2019
Communication to designated inventor
Jun 14, 2019
Communication to designated inventor
Jun 14, 2019
Communication to designated inventor
Jun 14, 2019
Communication to designated inventor
Jun 5, 2019
Copy of the international preliminary report on patentability
May 21, 2019
(Electronic) Receipt
May 21, 2019
Request for entry into the European phase
Mar 22, 2019
Information on entry into European phase
Jun 4, 2018
Priority document (electronically transmitted)
May 25, 2018
Notification of the recording of a change
May 25, 2018
Notification of the recording of a change
May 25, 2018
Notification of the recording of a change
May 25, 2018
Notification of the recording of a change
May 25, 2018
Notification of the recording of a change
May 25, 2018
Notification of the recording of a change
May 25, 2018
Notification of the recording of a change
May 25, 2018
Notification of the recording of a change
May 17, 2018
Copy of the international search report
May 17, 2018
Published international application - A1

EP3539061

YALE UNIVERSITY

Application Number: EP17869543A
Filing Date: Nov 10, 2017
Status: Granted And Under Opposition; Jul 25, 2025
Publication Date: Aug 27, 2025
External Links: Slate, Register , Google Patents

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Generalized Quantum Channels

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Dossier Documents

EP3539061