Maintenance fees coming due
1 maintenance fee comes due on Dec 27, 2026, in the 12 months from Nov 14, 2026. Unpaid by Jun 28, 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 11,684,264 | Devices, Systems, and Methods for Virtual Staining In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · High confidence | Pathscience, Inc. | In force | Dec 27, 2026 | Jun 28, 2027 | High confidence |
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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.