ANZEIGEVORRICHTUNG

European patent · EP4120003 · In force

Register entry

Publication number
EP4120003
Application number
EP21781674
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Mar 30, 2021
Published
Jan 18, 2023
Granted
Apr 22, 2026
Protection ends at the latest
Mar 29, 2041
Next annual fee due
Mar 31, 2027
IPC classes
G02B 27/01 (2006.01)
G02B 5/00 (2006.01)
G02B 27/28 (2006.01)
Priority
CN 202010242055 31.03.2020
PCT application
PCT/CN2021/083802 30.03.2021
PCT publication
WO2021/197294 07.10.2021
Filing language
Chinese
Source
Swissreg

History

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

  1. Apr 22, 2026

    Granted

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

    Published in Swissreg on 22.04.2026

Parties

Inventor

XIAO, Jiasheng

Beijing 100098, CN

XIAO, Bing

Beijing 100098, CN

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.