Term ends Mar 11, 2034 · Medium confidence
20-year base term ends Dec 13, 2033
Why Medium: A parent in the chain could not be resolved.
Held by Qinetiq Limited
Filed Apr 13, 2021 as application 17/229,093 · Granted Jul 18, 2023
Base term plus 88 days of patent term adjustment (USPTO delay)
Today
2013
2034
Clock starts
Dec 13, 2013
Dec 13, 2013
Term ends
Mar 11, 2034
Mar 11, 2034
Granted
Jul 18, 2023
Jul 18, 2023
base term
patent term adjustment
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
88
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 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
5
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 88 days past its 20-year base term on prosecution delay. 0 of 2 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 Dec 13, 2013, when application PCT/EP2013/076578, the earliest non-provisional in its chain, was filed (this one was filed Apr 13, 2021); a parent in its chain could not be resolved (the next row) | Dec 13, 2033 | 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 | +88 days, USPTO patent term adjustment record | Mar 11, 2034 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 11, 2034 | Medium confidence |
This family
| US 10,533,401 | In force Dec 2033 | Dec 2033 |
| US 11,002,118 | Lapsed on the fee record May 2025 | May 2025 |
| US 11,215,039 | Lapsed on the fee record Jan 2026 | Jan 2026 |
| US 11,702,912 | this patent Mar 2034 | Mar 2034 |
4 of 5 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
Mar 2034
Term ends Mar 11, 2034. Maintenance fees still fall due before then
Note
The 88 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2023 in our data, the only group it is compared against.
How we rank
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.