Lapsed Aug 17, 2025 on the fee record · Medium confidence
20-year base term ends Mar 22, 2033
Why Medium: A parent in the chain could not be resolved.
First maintenance fee unpaid; grace period ended.
Filed Jul 9, 2019 as application 16/506,281 · Granted Aug 17, 2021
Base term, 20 years from filing
Today
Lapsed Aug 17, 2025
2013
2033
Clock starts
Mar 22, 2013
Mar 22, 2013
No longer in force
Aug 17, 2025
Aug 17, 2025
Granted
Aug 17, 2021
Aug 17, 2021
Term would have run to
Mar 22, 2033
Mar 22, 2033
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
4
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 Mar 22, 2033: its 20-year base term, with no 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 Mar 22, 2013, when application PCT/EP2013/056066, the earliest non-provisional in its chain, was filed (this one was filed Jul 9, 2019); a parent in its chain could not be resolved (the next row) | Mar 22, 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 | None on file | no change | 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 | lapsed Aug 17, 2025 | High confidence |
| Computed term end | The steps above, in order | Aug 17, 2025 | Medium confidence |
This family
| US 10,379,310 | In force Mar 2033 | Mar 2033 |
| US 11,092,768 | this patent Aug 2025 | Aug 2025 |
| US 11,852,883 | In force Jul 2033 | Jul 2033 |
3 of 4 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.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2021 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.