Term ends Feb 17, 2034 · High confidence
20-year base term ends Jun 11, 2033
Held by Elwha LLC
Filed Jun 11, 2013 as application 13/915,425 · Granted Jan 19, 2016
Base term plus 260 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2013
2034
Clock starts
Jun 11, 2013
Jun 11, 2013
Term ends
Feb 17, 2034
Feb 17, 2034
Granted
Jan 19, 2016
Jan 19, 2016
base term
patent term adjustment
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
260
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,229,103, US 9,231,296.
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.
3
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 runs 260 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 3 maintenance fees are paid so far. 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 Jun 11, 2013, when this application, 13/915,425, was filed | Jun 11, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +260 days, USPTO patent term adjustment record | Feb 26, 2034 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,229,103, US 9,231,296) | capped to Feb 17, 2034 | 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 | Feb 17, 2034 | High confidence |
This family
| US 9,240,628 | this patent Feb 2034 | Feb 2034 |
| US 10,094,921 | Lapsed on the fee record Oct 2026 | Oct 2026 |
| US 10,705,203 | In force Sep 2033 | Sep 2033 |
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 |
|---|---|---|---|
| Sep 16, 2015 Reel 36579, frame 423 | Duncan, William David; Hyde, Roderick A.; Kare, Jordin T.; Wood, Lowell L., JR. | Elwha LLC | 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.
What's changing
Feb 2034
Term ends Feb 17, 2034. Maintenance fees still fall due before then
Note
The 260 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,229,103, US 9,231,296.
Citations
13
later US patents cite this one
That is above the median of utility patents granted in 2016 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.