Maintenance fees coming due
7 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 2, 2026. Unpaid by Jun 2, 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 9,044,257 | Frame Mapping and Force Feedback Methods, Devices and Systems In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · High confidence | Imris Imaging, Inc. | In force | Dec 2, 2026 | Jun 2, 2027 | High confidence | |
| US 9,081,067 | Phased Array MR RF Coil Which is Not Visible in X-Ray Image In force Fee due Jan 14, 2027 Lapses if unpaid Jul 14, 2027 · High confidence | Imris Imaging, Inc. | In force | Jan 14, 2027 | Jul 14, 2027 | High confidence | |
| US 9,131,986 | Methods, Devices, and Systems for Non-Mechanically Restricting And/Or Programming Movement of a Tool of a Manipulator Along a Single Axis In force Fee due Mar 15, 2027 Lapses if unpaid Sep 15, 2027 · High confidence | Imris Imaging, Inc. | In force | Mar 15, 2027 | Sep 15, 2027 | High confidence | |
| US 9,138,145 | Integration of MRI into Radiation Therapy Treatment In force Fee due Mar 22, 2027 Lapses if unpaid Sep 22, 2027 · High confidence | Imris Imaging, Inc. | In force | Mar 22, 2027 | Sep 22, 2027 | High confidence | |
| US 10,488,475 | Transceiver Coil Array Facilitating Mr-Guided Procedures In force Fee due May 26, 2027 Lapses if unpaid Nov 26, 2027 · High confidence | Imris Imaging, Inc. | In force | May 26, 2027 | Nov 26, 2027 | High confidence | |
| US 9,204,818 | Drive System for a Head Clamp for Use in Imaging by Magnetic Resonance and X-Ray In force Fee due Jun 8, 2027 Lapses if unpaid Dec 8, 2027 · High confidence | Imris Imaging, Inc. | In force | Jun 8, 2027 | Dec 8, 2027 | High confidence | |
| US 9,301,707 | MR Imaging in Separate Rooms Using a Magnet Having a Diagnostic Table In force Fee due Oct 5, 2027 Lapses if unpaid Apr 5, 2028 · High confidence | Imris Imaging, Inc. | In force | Oct 5, 2027 | Apr 5, 2028 | High confidence |
7 of 7 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.