Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jul 2, 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 11,859,181 | RNA-Guided Nucleases and Active Fragments and Variants Thereof and Methods of Use In force Fee due Jul 2, 2027 Lapses if unpaid Jan 3, 2028 · Medium confidence | Lifeedit Therapeutics, Inc. | In force | Jul 2, 2027 | Jan 3, 2028 | Medium confidence | |
| US 11,926,843 | RNA-Guided Nucleases and Active Fragments and Variants Thereof and Methods of Use In force Fee due Sep 12, 2027 Lapses if unpaid Mar 13, 2028 · High confidence | LifeEDIT Therapeutics, Inc. | In force | Sep 12, 2027 | Mar 13, 2028 | High confidence |
2 of 2 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.