Maintenance fees coming due
12 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Feb 4, 2027. Unpaid by Aug 4, 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 9,096,604 | Pyrrolopyrimidine Compounds as Kinase Inhibitors In force Fee due Feb 4, 2027 Lapses if unpaid Aug 4, 2027 · High confidence | Pharmacyclics LLC | In force | Feb 4, 2027 | Aug 4, 2027 | High confidence | |
| US 9,107,924 | Inhibitors of Bruton's Tyrosine Kinase for the Treatment of Solid Tumors In force Fee due Feb 18, 2027 Lapses if unpaid Aug 18, 2027 · High confidence | Pharmacyclics LLC | In force | Feb 18, 2027 | Aug 18, 2027 | High confidence | |
| US 9,115,108 | New Salt of Abexinostat, Associated Crystalline Form, a Process for Their Preparation and Pharmaceutical Compositions Containing Them In force Fee due Feb 25, 2027 Lapses if unpaid Aug 25, 2027 · High confidence | Pharmacyclics LLC | In force | Feb 25, 2027 | Aug 25, 2027 | High confidence | |
| US 9,125,889 | Use of Inhibitors of Bruton's Tyrosine Kinase (BTK) In force Fee due Mar 8, 2027 Lapses if unpaid Sep 8, 2027 · Medium confidence | Pharmacyclics LLC | In force | Mar 8, 2027 | Sep 8, 2027 | Medium confidence | |
| US 9,128,096 | Methods for Determining Cancer Resistance to Histone Deacetylase Inhibitors In force Fee due Mar 8, 2027 Lapses if unpaid Sep 8, 2027 · High confidence | Pharmacyclics LLC | In force | Mar 8, 2027 | Sep 8, 2027 | High confidence | |
| US 9,133,134 | Inhibitors of Bruton's Tyrosine Kinase In force Fee due Mar 15, 2027 Lapses if unpaid Sep 15, 2027 · High confidence | Pharmacyclics LLC | In force | Mar 15, 2027 | Sep 15, 2027 | High confidence | |
| US 9,138,436 | Inhibitors of Bruton's Tyrosine Kinase In force Fee due Mar 22, 2027 Lapses if unpaid Sep 22, 2027 · High confidence | Pharmacyclics LLC | In force | Mar 22, 2027 | Sep 22, 2027 | High confidence | |
| US 10,463,668 | Methods of Treating and Preventing Graft Versus Host Disease In force Fee due May 5, 2027 Lapses if unpaid Nov 5, 2027 · High confidence | Pharmacyclics LLC | In force | May 5, 2027 | Nov 5, 2027 | High confidence | |
| US 10,478,439 | Use of Inhibitors of Bruton's Tyrosine Kinase (BTK) In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 · Medium confidence | Pharmacyclics LLC | In force | May 19, 2027 | Nov 19, 2027 | Medium confidence | |
| US 9,273,051 | PYRAZOLO[3,4-d]PYRIMIDINE AND PYRROLO[2,3-d]PYRIMIDINE COMPOUNDS AS KINASE INHIBITORS In force Fee due Sep 1, 2027 Lapses if unpaid Mar 1, 2028 · High confidence | Pharmacyclics LLC | In force | Sep 1, 2027 | Mar 1, 2028 | High confidence | |
| 2 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro | |||||||
10 of 12 patents shown. Soonest fee due date first, then patent number.
Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.