Lapsed Aug 7, 2026 on the fee record · High confidence
20-year base term ends Sep 15, 2035
Second maintenance fee unpaid; grace period ended.
Held by Reaction 35, LLC
Filed Mar 16, 2017 as application 15/511,969 · Granted Aug 7, 2018
Base term, 20 years from filing
Today
Lapsed Aug 7, 2026
2015
2035
Clock starts
Sep 15, 2015
Sep 15, 2015
No longer in force
Aug 7, 2026
Aug 7, 2026
Granted
Aug 7, 2018
Aug 7, 2018
Term would have run to
Sep 15, 2035
Sep 15, 2035
base term
after the term ends
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.
1 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.
3
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 Sep 15, 2035: its 20-year base term, with no adjustment for prosecution delay. Confidence: High. 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 Sep 15, 2015, when application PCT/US2015/050159, the earliest non-provisional in its chain, was filed (this one was filed Mar 16, 2017) | Sep 15, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High 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 | 1 of 3 maintenance fees paid | lapsed Aug 7, 2026 | High confidence |
| Computed term end | The steps above, in order | Aug 7, 2026 | High confidence |
This family
| Application PCT/US2015/050159 | PCT application no patent term | no patent term |
| US 10,040,734 | this patent Aug 2026 | Aug 2026 |
| US 10,322,987 | In force Sep 2035 | Sep 2035 |
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 2018 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.