ZERTIFIKATBASIERTE SICHERHEIT MITTELS POSTQUANTENKRYPTOGRAPHIE

European patent · EP4238272 · In force

Register entry

Publication number
EP4238272
Application number
EP21802289
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Oct 28, 2021
Published
Sep 6, 2023
Granted
Oct 15, 2025
Protection ends at the latest
Oct 27, 2041
Next annual fee due
Oct 31, 2027
IPC classes
H04L 9/40 (2022.01)
H04L 9/08 (2006.01)
H04L 9/32 (2006.01)
Priority
US 202017086510 02.11.2020
PCT application
PCT/EP2021/080014 28.10.2021
PCT publication
WO2022/090405 05.05.2022
Filing language
English
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Nov 1, 2026

    Next annual fee due on

    Next annual fee due on
    31.10.2026 → 31.10.2027

    Published in Swissreg on 01.11.2026

  2. Aug 26, 2026

    Change

    Published in Swissreg on 26.08.2026

  3. Apr 15, 2026

    Agent entered

    Representative
    IBM Research GmbH, IBM Research - Zurich, Intellectual Property Law, Säumerstrasse 4, 8803 Rüschlikon

    Published in Swissreg on 15.04.2026

  4. Nov 1, 2025

    Next annual fee due on

    Next annual fee due on
    31.10.2025 → 31.10.2026

    Published in Swissreg on 01.11.2025

  5. Oct 15, 2025

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 15.10.2025

Parties

Inventor

GRAY, Michael

Bundall, Queensland 4217, AU

MADINENI, Narayana

Bundall, Queensland 4217, AU

MCMAHON, Simon

Bundall, Queensland 4217, AU

GREEN, Matthew

Bundall, Queensland 4217, AU

WALTENBERG, Peter

Bundall, Queensland 4217, AU

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.