Cellzome Limited
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
0
Ending by 2030
Mar 2032
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due May 10, 2027The maintenance fee for SUBSTITUTED PYRIDO[1,2-a]PYRAZINES AND SUBSTITUTED PYRIDO[1,2-a][1,4]DIAZEPINES FOR THE TREATMENT OF (INTER ALIA) ALZHEIMER'S DISEASE (US 9,181,245) comes due May 10, 2027. Unpaid by Nov 10, 2027, it lapses early.
Recent changes
- 1 term has ended since Aug 17, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
Showing 1 to 2 of 2
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,987,276 | Novel Substituted Triazolyl Piperazine and Triazolyl Piperidine Derivatives as Gamma Secretase Modulators In force · High confidence | In force | High confidence | |
| US 9,181,245 | SUBSTITUTED PYRIDO[1,2-a]PYRAZINES AND SUBSTITUTED PYRIDO[1,2-a][1,4]DIAZEPINES FOR THE TREATMENT OF (INTER ALIA) ALZHEIMER'S DISEASE In force · High confidence | In force | High confidence |
Also on record, not counted in the 2: 28 lapsed for an unpaid fee. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
22 no status recorded