Total Filings
2
Unique Marks
2
First Filing
Apr 28, 2020
Last Filing
Nov 19, 2025
Registered: 1
Pending: 1
Filing Velocity (24 Months)
Jul 2024: 0
Aug 2024: 0
Sep 2024: 0
Oct 2024: 0
Nov 2024: 0
Dec 2024: 0
Jan 2025: 0
Mar 2025: 0
Mar 2025: 0
Apr 2025: 0
May 2025: 0
Jun 2025: 0
Jul 2025: 0
Aug 2025: 0
Sep 2025: 0
Oct 2025: 0
Nov 2025: 1
Dec 2025: 0
Jan 2026: 0
Mar 2026: 0
Mar 2026: 0
Apr 2026: 0
May 2026: 0
Jun 2026: 0
Jul 2024
Jun 2026
Filing Activity by NICE Class
NICE Class Distribution
Community notes
0 notes
Sign in to add a note
Share what you know about Yan Cao and help the next person researching it.
No notes yet. Be the first to add what you know about Yan Cao.