Maintenance fees coming due
5 maintenance fees come due in the 12 months from Nov 14, 2026, the next on May 7, 2027. Unpaid by Nov 8, 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 11,806,708 | Droplet Dispenser In force Fee due May 7, 2027 Lapses if unpaid Nov 8, 2027 · High confidence | TTP PLC | In force | May 7, 2027 | Nov 8, 2027 | High confidence | |
| US 10,488,356 | Method for Producing an Electrical Impedance Tomographic Image of an Acoustic Field and a System for Performing Said Method In force Fee due May 26, 2027 Lapses if unpaid Nov 26, 2027 · High confidence | TTP PLC | In force | May 26, 2027 | Nov 26, 2027 | High confidence | |
| US 11,835,537 | Fluid Ejector System In force Fee due Jun 5, 2027 Lapses if unpaid Dec 6, 2027 · High confidence | TTP PLC | In force | Jun 5, 2027 | Dec 6, 2027 | High confidence | |
| US 11,889,003 | Unit Verification Method and Device In force Fee due Jul 30, 2027 Lapses if unpaid Jan 31, 2028 · High confidence | TTP PLC | In force | Jul 30, 2027 | Jan 31, 2028 | High confidence | |
| US 10,640,745 | Method for Deforming and/or Fragmenting a Cell, Spore or Virus with a Vibrating Plate In force Fee due Nov 5, 2027 Lapses if unpaid May 5, 2028 · High confidence | TTP PLC | In force | Nov 5, 2027 | May 5, 2028 | High confidence |
5 of 5 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.