Maintenance fees coming due
1 maintenance fee comes due on Jun 19, 2027, in the 12 months from Nov 15, 2026. Unpaid by Dec 20, 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 11,844,572 | Photobleaching Method In force Fee due Jun 19, 2027 Lapses if unpaid Dec 20, 2027 · High confidence | Lumithera Diagnostics, Inc. | In force | Jun 19, 2027 | Dec 20, 2027 | High confidence |
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