Maintenance fees coming due
6 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 16, 2026. Unpaid by May 17, 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 11,648,683 | Autonomous Welding Robots In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 · High confidence | Path Robotics, Inc. | In force | Nov 16, 2026 | May 17, 2027 | High confidence | |
| US 11,759,952 | Real Time Feedback and Dynamic Adjustment for Welding Robots In force Fee due Mar 19, 2027 Lapses if unpaid Sep 20, 2027 · Low confidence | Path Robotics, Inc. | In force | Mar 19, 2027 | Sep 20, 2027 | Low confidence | |
| US 11,759,958 | Autonomous Welding Robots In force Fee due Mar 19, 2027 Lapses if unpaid Sep 20, 2027 · High confidence | Path Robotics, Inc. | In force | Mar 19, 2027 | Sep 20, 2027 | High confidence | |
| US 11,801,606 | Autonomous Welding Robots In force Fee due Apr 30, 2027 Lapses if unpaid Nov 1, 2027 · High confidence | Path Robotics, Inc. | In force | Apr 30, 2027 | Nov 1, 2027 | High confidence | |
| US 11,859,964 | Reflection Refuting Laser Scanner In force Fee due Jul 2, 2027 Lapses if unpaid Jan 3, 2028 · High confidence | Path Robotics, Inc. | In force | Jul 2, 2027 | Jan 3, 2028 | High confidence | |
| US 10,551,179 | Reflection Refuting Laser Scanner In force Fee due Aug 4, 2027 Lapses if unpaid Feb 4, 2028 · High confidence | Path Robotics, Inc. | In force | Aug 4, 2027 | Feb 4, 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.