INTEGRIERTER POLARISATIONSDREHTEILER AUF EINEM CHIP

European patent · EP4174539 · In force

Register entry

Publication number
EP4174539
Application number
EP22196020
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Sep 16, 2022
Published
May 3, 2023
Granted
Sep 2, 2026
Protection ends at the latest
Sep 15, 2042
Next annual fee due
Sep 30, 2026
IPC classes
G02B 6/126 (2006.01)
G01S 7/499 (2006.01)
Priority
US 202117511361 26.10.2021
Filing language
English
Source
Swissreg

History

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

  1. Sep 2, 2026

    Granted

    Status of protective title
    Initiated → Active

    Published in Swissreg on 02.09.2026

  2. May 7, 2026

    Status of protective title

    Status of protective title
    Active → Cancelled
    Cancellation date
    07.05.2026
    Cause for cancellation
    Revocation of grant by EPO

    Published in Swissreg on 07.05.2026

  3. Feb 18, 2026

    Granted

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

    Published in Swissreg on 18.02.2026

Parties

Inventor

Ummethala, Dr.-Ing. Sandeep

76137 Karlsruhe, DE

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.