Maintenance fees coming due
1 maintenance fee comes due on Sep 17, 2027, in the 12 months from Nov 14, 2026. Unpaid by Mar 17, 2028, 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
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| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 10,590,192 | Improved midkine antibody In force Fee due Sep 17, 2027 Lapses if unpaid Mar 17, 2028 · High confidence | Cellmid Limited | In force | Sep 17, 2027 | Mar 17, 2028 | High confidence |
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