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

Parker JOHNSON — 6 Patents

XDXilio Development: 6 patents #1 of 12Top 9%
Brookline, MA: #706 of 3,196 inventorsTop 25%
Massachusetts: #20,532 of 88,656 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Parker JOHNSON has been granted 6 US patents while listed as an inventor at Xilio Development. The first was granted in 2021 and the most recent in April 2025. Parker JOHNSON ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Parker JOHNSON in Brookline, MA, US.

Patents per Year

Patents granted per year, 2021 to 2025Bar chart with a peak of 3 patents in 2023.peak 32021: 1 patents20212023: 3 patents20232024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12280120 Tumor-specific cleavable linkers Raphael Rozenfeld, Ugur Eskiocak, Huawei Qiu, Kurt Jenkins, Magali Pederzoli-Ribeil +2 more 2025-04-22
11866476 Masked IL-2-Fc fusion polypeptides Margaret Karow, Deborah Moore LAI, Dheeraj TOMAR, Raphael Rozenfeld, Ronan O'Hagan +1 more 2024-01-09
11827685 Masked cytokine polypeptides Margaret Karow, Deborah Moore LAI, Dheeraj TOMAR, Raphael Rozenfeld, Ronan O'Hagan +1 more 2023-11-28
11827686 Masked cytokine polypeptides Margaret Karow, Deborah Moore LAI, Dheeraj TOMAR, Raphael Rozenfeld, Ronan O'Hagan +1 more 2023-11-28
11718655 Masked interleukin-12 polypeptides Margaret Karow, Deborah Moore LAI, Dheeraj TOMAR, Raphael Rozenfeld, Ronan O'Hagan +1 more 2023-08-08
11053294 Masked cytokine polypeptides Margaret Karow, Deborah Moore LAI, Dheeraj TOMAR, Raphael Rozenfeld, Ronan O'Hagan +1 more 2021-07-06