Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 16, 2026. Unpaid by Jun 16, 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 9,057,109 | Diagnosis of Melanoma and Solar Lentigo by Nucleic Acid Analysis In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 · Medium confidence | Dermtech, LLC | In force | Dec 16, 2026 | Jun 16, 2027 | Medium confidence | |
| US 10,407,729 | Diagnosis of Melanoma by Nucleic Acid Analysis In force Fee due Mar 10, 2027 Lapses if unpaid Sep 10, 2027 · Medium confidence | Dermtech, LLC | In force | Mar 10, 2027 | Sep 10, 2027 | Medium confidence | |
| US 11,753,687 | Diagnosis of Melanoma and Solar Lentigo by Nucleic Acid Analysis In force Fee due Mar 12, 2027 Lapses if unpaid Sep 13, 2027 · Medium confidence | Dermtech, LLC | In force | Mar 12, 2027 | Sep 13, 2027 | Medium confidence | |
| US 11,976,332 | Novel Gene Classifiers and Uses Thereof in Non-Melanoma Skin Cancers In force Fee due Nov 7, 2027 Lapses if unpaid May 8, 2028 · High confidence | Dermtech, LLC | In force | Nov 7, 2027 | May 8, 2028 | High confidence |
4 of 4 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.