Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jun 30, 2027. Unpaid by Jan 3, 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
six month grace period that follows.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 10,519,197 | Peptide-based proteasome inhibitors for treating conditions mediated by senescent cells and for treating cancer In force Fee due Jun 30, 2027 Lapses if unpaid Jan 3, 2028 · High confidence | Unity Biotechnology, Inc. | In force | Jun 30, 2027 | Jan 3, 2028 | High confidence | |
| US 11,865,123 | Methods of Inhibiting Pathological Angiogenesis In force Fee due Jul 9, 2027 Lapses if unpaid Jan 10, 2028 · High confidence | Unity Biotechnology, Inc. | In force | Jul 9, 2027 | Jan 10, 2028 | High confidence | |
| US 10,588,916 | Technology to Inhibit Vascular Changes That Lead to Vision Loss in the Eye In force Fee due Sep 17, 2027 Lapses if unpaid Mar 17, 2028 · High confidence | Unity Biotechnology, Inc. | In force | Sep 17, 2027 | Mar 17, 2028 | High confidence | |
| US 11,951,115 | Methods of Treating Retinal Vasculopathies In force Fee due Oct 9, 2027 Lapses if unpaid Apr 10, 2028 · High confidence | Unity Biotechnology, Inc. | In force | Oct 9, 2027 | Apr 10, 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.