Impinj vs Sonitor Technologies
Side-by-side from the Top 11 ranking of 11 Best RTLS & Indoor Positioning Patent Portfolios 2026 (And Which You Can Actually License). Last verified August 25, 2026.
The short answer
Impinj ranks higher on Top 11 (#4 vs #6) for Engineers, corp-dev and IP teams building or buying in the real-time location market. Litigation-tested RAIN RFID estate, access on Impinj's terms
At a glance
| Impinj | Sonitor Technologies | |
|---|---|---|
| Top 11 rank | #4 / 11 Best RTLS & Indoor Positioning Patent Portfolios 2026 (And Which You Can Actually License) | #6 / 11 Best RTLS & Indoor Positioning Patent Portfolios 2026 (And Which You Can Actually License) |
| Score (out of 9.4) | 7.5 | 7.1 |
| Best for | Litigation-tested RAIN RFID estate, access on Impinj's terms | Three decades of ultrasound positioning depth, moat not marketplace |
| Pricing | not applicable, no licensing offered | not applicable, no licensing offered |
| HQ | Seattle, Washington, US | Founded in Oslo, Norway |
| Founded | — | 1997 |
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.