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

Peter Griffiths

CLCengage Learning: 2 patents #1 of 10Top 10%
Lovell Corners, MA: #4 of 4 inventorsTop 100%
Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,331,665 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12307919 Apparatus and method for delivering adaptive educational content James Chilton, Charles Qian, Jay Mehta, Thais Alencar 2025-05-20
12050880 System and method for content creation James Chilton, Charles Qian 2024-07-30
8539336 System for linking to documents with associated annotations Andrew Rutter 2013-09-17