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1 maintenance fee comes due on Sep 19, 2027, in the 12 months from Nov 14, 2026. Unpaid by Mar 20, 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 11,931,418 | Methods of Treating Severe Inflammation In force Fee due Sep 19, 2027 Lapses if unpaid Mar 20, 2028 · High confidence | Programmable Medicine Operating Company | In force | Sep 19, 2027 | Mar 20, 2028 | High confidence |
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