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

Danilo Callejas — 3 Patents

DRDropbox: 3 patents #306 of 803Top 40%
Oakland, CA: #1,689 of 4,380 inventorsTop 40%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Danilo Callejas has been granted 3 US patents while listed as an inventor at Dropbox. The first was granted in 2021 and the most recent in September 2023. Danilo Callejas ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Danilo Callejas in Oakland, CA, US.

Patents per Year

Patents granted per year, 2021 to 2023Bar chart with a peak of 1 patents in 2021.peak 12021: 1 patents20212022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11768999 Collaborative in-line content item annotations Sang Tian, Jennifer Wong, Walter Somerville, Brian Oh 2023-09-26 $19,909,000
11537784 Collaborative in-line content item annotations Sang Tian, Jennifer Wong, Walter Somerville, Brian Oh 2022-12-27 $17,580,000
11074400 Collaborative in-line content item annotations Sang Tian, Jennifer Wong, Walter Somerville, Brian Oh 2021-07-27 $43,123,000