Maintenance fees coming due
6 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Feb 8, 2027. Unpaid by Aug 9, 2027, that one lapses early.
A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5
and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the
six month grace period that follows.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 11,717,956 | Robotic Joint System with Integrated Safety In force Fee due Feb 8, 2027 Lapses if unpaid Aug 9, 2027 · High confidence | Sarcos Corp. | In force | Feb 8, 2027 | Aug 9, 2027 | High confidence | |
| US 11,738,452 | Sole with Various Compliant Regions for Robots In force Fee due Feb 28, 2027 Lapses if unpaid Aug 30, 2027 · High confidence | Sarcos Corp. | In force | Feb 28, 2027 | Aug 30, 2027 | High confidence | |
| US 11,759,944 | Tunable Actuator Joint Modules Having Energy Recovering Quasi-Passive Elastic Actuators with Internal Valve Arrangements In force Fee due Mar 19, 2027 Lapses if unpaid Sep 20, 2027 · High confidence | Sarcos Corp. | In force | Mar 19, 2027 | Sep 20, 2027 | High confidence | |
| US 11,772,283 | Clutched Joint Modules Having a Quasi-Passive Elastic Actuator for a Robotic Assembly In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 · High confidence | Sarcos Corp. | In force | Apr 3, 2027 | Oct 4, 2027 | High confidence | |
| US 11,826,907 | Robotic Joint System with Length Adapter In force Fee due May 28, 2027 Lapses if unpaid Nov 29, 2027 · High confidence | Sarcos Corp. | In force | May 28, 2027 | Nov 29, 2027 | High confidence | |
| US 11,926,044 | Clutched Joint Modules Having a Quasi-Passive Elastic Actuator for a Robotic Assembly In force Fee due Sep 12, 2027 Lapses if unpaid Mar 13, 2028 · High confidence | Sarcos Corp. | In force | Sep 12, 2027 | Mar 13, 2028 | High confidence |
6 of 6 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.