SPRACHVERBESSERUNG
European patent · EP4172987 · In force
Register entry
- Publication number
- EP4172987
- Application number
- EP21729699
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- May 10, 2021
- Published
- May 3, 2023
- Granted
- Aug 12, 2026
- Protection ends at the latest
- May 9, 2041
- Next annual fee due
- May 31, 2027
- IPC classes
- G10L 21/0232 (2013.01)G10L 21/0264 (2013.01)
- Priority
- CN 202010617322 30.06.2020
- PCT application
- PCT/US2021/031471 10.05.2021
- PCT publication
- WO2022/005615 06.01.2022
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Aug 12, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 12.08.2026
Parties
Inventor
TANG, Chuanxin
Redmond, WA 98052-6399, US
ZHAO, Zhiyuan
Redmond, WA 98052-6399, US
LUO, Chong
Redmond, WA 98052-6399, US
ZENG, Wenjun
Redmond, WA 98052-6399, US
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.