Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JB

James Donovan Barta — 2 Patents

Hillsboro, OR: #1,198 of 2,365 inventorsTop 55%
Oregon: #12,654 of 28,073 inventorsTop 50%
Overall (All Time): #2,099,871 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8332274 Universal tax engine Jeffrey Evan Nadler, Joseph Allen Blotner, Eric Thomas Christian, Carolyn Brauner Fong, James M. Seymour +2 more 2012-12-11
7933803 Universal tax engine Jeffrey Evan Nadler, Joseph Allen Blotner, Eric Thomas Christian, Carolyn Brauner Fong, James M. Seymour +2 more 2011-04-26