Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HL

Helen Lu — 5 Patents

DRDropbox: 5 patents #181 of 803Top 25%
San Francisco, CA: #8,231 of 26,999 inventorsTop 35%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Helen Lu has been granted 5 US patents while listed as an inventor at Dropbox. The first was granted in 2020 and the most recent in February 2025. Helen Lu ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Helen Lu in San Francisco, CA, US.

Patents per Year

Patents granted per year, 2020 to 2025Bar chart with a peak of 2 patents in 2020.peak 22020: 2 patents20202022: 1 patents20222024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12216546 Restoring a directory to a state prior to a past synchronization event Pranav Vishnu Ramabhadran, Ken Park, Wes O'Haire, Raveesh Nayar, Grant Mathews +4 more 2025-02-04
11940877 Restoring a directory to a state prior to a past synchronization event Pranav Vishnu Ramabhadran, Ken Park, Wes O'Haire, Raveesh Nayar, Grant Mathews +4 more 2024-03-26 $9,183,000
11314774 Cursor with last observed access state Thomas Kleinpeter, Akos Albert, Aaron Staley 2022-04-26 $38,716,000
10866963 File system authentication Thomas Kleinpeter, Akos Albert, Aaron Staley 2020-12-15 $19,722,000
10691719 Cursor with last observed access state Thomas Kleinpeter, Akos Albert, Aaron Staley 2020-06-23 $14,705,000