POLARISATIONSVERÄNDERNDE STRUKTUREN
European patent · EP4402521 · In force
Register entry
- Publication number
- EP4402521
- Application number
- EP22797816
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Sep 15, 2022
- Published
- Jul 24, 2024
- Granted
- Dec 10, 2025
- Protection ends at the latest
- Sep 14, 2042
- Next annual fee due
- Sep 30, 2026
- IPC classes
- G02B 5/30 (2006.01)G02B 27/28 (2006.01)G02B 1/00 (2006.01)G02B 1/08 (2006.01)G02B 5/08 (2006.01)
- Priority
- GB 202113182 15.09.2021
- PCT application
- PCT/GB2022/052337 15.09.2022
- PCT publication
- WO2023/041916 23.03.2023
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 21, 2026
Change
Published in Swissreg on 21.10.2026
- Dec 10, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 10.12.2025
Parties
Holder
Inventor
BOZHEVOLNYI, Sergey
5230 Odense, DK
MENG, Chao
5230 Odense, DK
DING, Fei
5230 Odense, DK
THRANE, Paul Conrad Vaagen
0737 Oslo, NO
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.