Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Feb 22, 2027. Unpaid by Aug 23, 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 11,730,771 | Selection and Use of Umbilical Cord Cell Fractions Suitable for Transplantation In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 · High confidence | Gamida Cell Ltd. | In force | Feb 22, 2027 | Aug 23, 2027 | High confidence | |
| US 11,746,325 | Selection and Use of Umbilical Cord Cell Fractions Suitable for Transplantation In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 · High confidence | Gamida Cell Ltd. | In force | Mar 5, 2027 | Sep 7, 2027 | High confidence | |
| US 9,175,266 | Enhancement of Natural Killer (NK) Cell Proliferation and Activity In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 · High confidence | Gamida Cell Ltd. | In force | May 3, 2027 | Nov 3, 2027 | High confidence | |
| US 11,834,677 | Expansion and Use of Expanded NK Cell Fractions In force Fee due Jun 5, 2027 Lapses if unpaid Dec 6, 2027 · High confidence | Gamida Cell Ltd. | In force | Jun 5, 2027 | Dec 6, 2027 | 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.