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European patent · EP3926372 · In force

Register entry

Publication number
EP3926372
Application number
EP21173800
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
May 14, 2021
Published
Dec 22, 2021
Granted
Oct 22, 2025
Protection ends at the latest
May 13, 2041
Next annual fee due
May 31, 2026
IPC classes
G02B 5/18 (2006.01)
G02B 27/42 (2006.01)
Priority
US 202016903397 17.06.2020
Filing language
English
Source
Swissreg

History

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

  1. Sep 2, 2026

    Change

    Published in Swissreg on 02.09.2026

  2. Oct 22, 2025

    Granted

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

    Published in Swissreg on 22.10.2025

Parties

Inventor

CHANG, Chih-Sheng

74148 TAINAN CITY, TW

TSAI, Meng-Ko

74148 TAINAN CITY, TW

HUANG, Teng-Te

74148 TAINAN CITY, TW

LU, Yin-Dong

74148 TAINAN CITY, TW

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.