Also listed on Wildseed Ltd, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Sep 20, 2021 (Lit-US Chisum 21-A, LLC).
Term ends Nov 16, 2028 · High confidence
20-year base term ends Jun 23, 2028
Held by Wildseed Mobile LLC
Filed Sep 21, 2015 as application 14/860,339 · Granted Apr 2, 2019
Base term plus 146 days of patent term adjustment (USPTO delay)
Today
2008
2028
Clock starts
Jun 23, 2008
Jun 23, 2008
Term ends
Nov 16, 2028
Nov 16, 2028
Granted
Apr 2, 2019
Apr 2, 2019
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
146
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,141,960, to Nov 16, 2028. The term already ends on or before that date, so the cap shortened nothing.
1 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.
2
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 146 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 2 maintenance fees is 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 23, 2008, when application 12/144,532, the earliest non-provisional in its chain, was filed (this one was filed Sep 21, 2015) | Jun 23, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +146 days, USPTO patent term adjustment record | Nov 16, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,141,960) | resolves to Nov 16, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 16, 2028 | High confidence |
This family
| US 9,141,960 | In force Dec 2031 | Dec 2031 |
| US 10,251,021 | this patent Nov 2028 | Nov 2028 |
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 19, 2021 Reel 57228, frame 772 | Varia Holdings LLC | Wildseed Mobile LLC | Assignment of Assignor's Interest |
| Sep 20, 2021 Reel 57535, frame 783 | Wildseed Mobile LLC | Lit-US Chisum 21-A, LLC | Security 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Nov 2028
Term ends Nov 16, 2028.
Note
The 146 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,141,960, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below 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.