Lapsed Jan 4, 2026 on the fee record · Medium confidence
20-year base term ends Dec 13, 2033
Why Medium: A parent in the chain could not be resolved.
First maintenance fee unpaid; grace period ended.
Held by Qinetiq Limited
Filed May 13, 2020 as application 15/930,939 · Granted Jan 4, 2022
Base term, 20 years from filing, plus 27 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 4, 2026
2013
2034
Clock starts
Dec 13, 2013
Dec 13, 2013
No longer in force
Jan 4, 2026
Jan 4, 2026
Granted
Jan 4, 2022
Jan 4, 2022
Term would have run to
Jan 9, 2034
Jan 9, 2034
base term
patent term adjustment
after the term ends
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
27
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 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. 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.
Its term would have run to Jan 9, 2034: its 20-year base term plus 27 days of term adjustment for prosecution delay. 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 May 13, 2020); 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 | +27 days, USPTO patent term adjustment record | Jan 9, 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 3 maintenance fees paid | lapsed Jan 4, 2026 | High confidence |
| Computed term end | The steps above, in order | Jan 4, 2026 | 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 | this patent Jan 2026 | Jan 2026 |
| US 11,702,912 | In force 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 27 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2022 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.