Term ends Aug 24, 2032 · Medium confidence
20-year base term ends Aug 24, 2032
Why Medium: A parent in the chain could not be resolved.
Held by Liko Research & Development AB
Filed May 29, 2018 as application 15/991,089 · Granted Apr 9, 2019
Base term, 20 years from filing
Today
2012
2032
Clock starts
Aug 24, 2012
Aug 24, 2012
Term ends
Aug 24, 2032
Aug 24, 2032
Granted
Apr 9, 2019
Apr 9, 2019
base term
fee events
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.
2 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.
4
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 is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 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 Aug 24, 2012, when application 13/594,445, the earliest non-provisional in its chain, was filed (this one was filed May 29, 2018); a parent in its chain could not be resolved (the next row) | Aug 24, 2032 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 24, 2032 | Medium confidence |
This family
| US 10,045,895 | In force Oct 2034 | Oct 2034 |
| US 10,251,796 | this patent Aug 2032 | Aug 2032 |
| US 10,874,565 | In force Sep 2032 | Sep 2032 |
| US 11,801,176 | In force Dec 2033 | Dec 2033 |
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
Aug 2032
Term ends Aug 24, 2032. Maintenance fees still fall due before then
Citations
6
later US patents cite this one
That is above the median of utility patents granted in 2019 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.