Patent Theme
Smart Access Control Systems
Systems that manage and enforce entry or usage privileges using digital credentials, biometric identification, or remote control, often incorporating network connectivity and real-time status updates.
8,440 US filings from 1,804 companies since 2023 · 2023: 2,265 · 2024: 2,612 · 2025: 2,537 · 2026 YTD: 1,026
Time / Attendance / Access Control
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.