Term ends Jan 14, 2032 · High confidence
20-year base term ends Jul 14, 2028
Held by Cradlepoint, Inc.
Filed Jul 14, 2008 as application 12/172,873 · Granted Apr 16, 2013
Base term plus 1279 days of patent term adjustment (USPTO delay)
Today
2008
2032
Clock starts
Jul 14, 2008
Jul 14, 2008
Term ends
Jan 14, 2032
Jan 14, 2032
Granted
Apr 16, 2013
Apr 16, 2013
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
1,279
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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 1279 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 14, 2008, when this application, 12/172,873, was filed | Jul 14, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1279 days, USPTO patent term adjustment record | Jan 14, 2032 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 14, 2032 | High confidence |
This family
| US 8,421,637 | this patent Jan 2032 | Jan 2032 |
| Application PCT/US2008/076833 | PCT application no patent term | no patent term |
| US 8,830,075 | In force Jul 2028 | Jul 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 |
|---|---|---|---|
| Sep 2, 2008 Reel 21468, frame 894 | Sewall, Patrick M.; Johnson, David Alan | Cradlepoint, Inc. | Assignment of Assignor's Interest |
| Oct 5, 2009 Reel 23325, frame 779 | Cradlepoint, Inc. | Silicon Valley Bank | Security Agreement |
| Nov 28, 2014 Reel 34276, frame 671 | Silicon Valley Bank | Cradlepoint, Inc. | Release of Security Interest |
| Feb 12, 2016 Reel 37721, frame 466 | Cradlepoint, Inc. | Pacific Western Bank | Security Interest |
| Feb 13, 2018 Reel 44909, frame 528 | Pacific Western Bank | Cradlepoint, Inc. | Release of Security Interest |
| Oct 10, 2018 Reel 47123, frame 193 | Cradlepoint, Inc. | Silicon Valley Bank | Security Interest |
| Feb 7, 2020 Reel 51843, frame 756 | Cradlepoint, Inc. | Silicon Valley Bank | Security Interest - Mezz Loan |
| Nov 23, 2020 Reel 54446, frame 250 | Silicon Valley Bank | Cradlepoint, Inc. | Release of 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
Jan 2032
Term ends Jan 14, 2032. No further fees fall due before then
Note
The 1279 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
13
later US patents cite this one
That is above the median of utility patents granted in 2013 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.