Maintenance fees coming due
1 maintenance fee comes due on Sep 1, 2027, in the 12 months from Nov 15, 2026. Unpaid by Mar 1, 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 9,271,792 | Peripheral Switching Device for Microwave Energy Platforms In force Fee due Sep 1, 2027 Lapses if unpaid Mar 1, 2028 · High confidence | Vivant Medical, Inc. | In force | Sep 1, 2027 | Mar 1, 2028 | High confidence |
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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.