Lapsed May 29, 2026 on the fee record · High confidence
20-year base term ends Feb 11, 2035
Second maintenance fee unpaid; grace period ended.
Filed Jun 22, 2017 as application 15/630,909 · Granted May 29, 2018
Base term, 20 years from filing
Today
Lapsed May 29, 2026
2015
2035
Clock starts
Feb 11, 2015
Feb 11, 2015
No longer in force
May 29, 2026
May 29, 2026
Granted
May 29, 2018
May 29, 2018
Term would have run to
Feb 11, 2035
Feb 11, 2035
base term
after the term ends
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,017,760, to Feb 11, 2035. The term already ends on or before that date, so the cap shortened nothing.
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.
17
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 Feb 11, 2035: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Feb 11, 2015, when application PCT/US2015/015476, the earliest non-provisional in its chain, was filed (this one was filed Jun 22, 2017) | Feb 11, 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 | Disclaimer resolved from the filed document (refs US 10,017,760) | resolves to Feb 11, 2035, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed May 29, 2026 | High confidence |
| Computed term end | The steps above, in order | May 29, 2026 | High confidence |
This family
| Application PCT/US2015/015476 | PCT application no patent term | no patent term |
| US 10,266,849 | In force Feb 2035 | Feb 2035 |
| US 9,982,278 | this patent May 2026 | May 2026 |
| US 10,351,877 | In force Feb 2035 | Feb 2035 |
| US 10,240,167 | In force Feb 2035 | Feb 2035 |
| US 10,364,442 | In force Feb 2035 | Feb 2035 |
| US 10,435,715 | In force Feb 2035 | Feb 2035 |
| US 10,465,207 | In force Feb 2035 | Feb 2035 |
8 of 17 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Aug 11, 2017 Reel 43266, frame 745 | Gill, Ryan T.; Garst, Andrew | The Regents of the University of Colorado, a Body Corporate | Assignment of Assignor's Interest |
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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,017,760, ends no earlier than this term, so it caps nothing.
Citations
96
later US patents cite this one
That is top 5% 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.