Term ends Jun 15, 2031 · Medium confidence
20-year base term ends Nov 24, 2030
Why Medium: A parent in the chain could not be resolved.
Held by MedImmune Limited
Filed Nov 1, 2022 as application 18/051,773 · Granted Jul 21, 2026
Base term plus 203 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Nov 24, 2010
Nov 24, 2010
Term ends
Jun 15, 2031
Jun 15, 2031
Granted
Jul 21, 2026
Jul 21, 2026
base term
patent term adjustment
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
203
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
6
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 203 days past its 20-year base term on prosecution delay. 0 of 1 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 24, 2010, when application PCT/US2010/058007, the earliest non-provisional in its chain, was filed (this one was filed Nov 1, 2022); a parent in its chain could not be resolved (the next row) | Nov 24, 2030 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +203 days, USPTO patent term adjustment record | Jun 15, 2031 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 15, 2031 | Medium confidence |
This family
| US 8,779,108 | In force Nov 2030 | Nov 2030 |
| US 9,493,565 | In force May 2031 | May 2031 |
| US 10,400,039 | In force Nov 2030 | Nov 2030 |
| US 11,518,809 | In force Nov 2030 | Nov 2030 |
| US 12,686,718 | this patent Jun 2031 | Jun 2031 |
5 of 6 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jun 2031
Term ends Jun 15, 2031. Maintenance fees still fall due before then
Note
The 203 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.