HALBLEITERSTRUKTUR

European patent · EP3809477 · Deleted

Register entry

Publication number
EP3809477
Application number
EP20164647
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Mar 20, 2020
Published
Apr 21, 2021
Granted
Mar 12, 2025
Deleted
Oct 24, 2025
Reason
Annual fee unpaid
IPC classes
H10N 50/01 (2023.01)
H10N 50/10 (2023.01)
Priority
CN 201910982171 16.10.2019
Filing language
English
Source
Swissreg

History

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

  1. Jan 21, 2026

    Change

    Published in Swissreg on 21.01.2026

  2. Oct 24, 2025

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    24.10.2025
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 24.10.2025

  3. Mar 12, 2025

    Granted

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

    Published in Swissreg on 12.03.2025

Parties

Holder

United Microelectronics Corp.

No. 3, Lixing 2nd Rd. East Dist., Hsinchu City 300, TW

Inventor

CHEN, Yu-Chun

820 Kaohsiung City, TW

FENG, Ya-Sheng

735 Tainan City, TW

CHIU, Chiu-Jung

701 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.