Term ends Jun 30, 2032 · Medium confidence
20-year base term ends Jun 30, 2032
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,532,488), so the cap could be lower.
Held by Certusview Technologies, LLC
Filed Nov 30, 2012 as application 13/690,739 · Granted Apr 28, 2015
Base term plus 45 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2012
2032
Clock starts
Jun 30, 2012
Jun 30, 2012
Term ends
Jun 30, 2032
Jun 30, 2032
Granted
Apr 28, 2015
Apr 28, 2015
base term
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
45
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 8,532,488, US 8,543,003, US 8,650,606.
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.
12
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 45 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: Medium. 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 30, 2012, when application 13/539,383, the earliest non-provisional in its chain, was filed (this one was filed Nov 30, 2012) | Jun 30, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +45 days, USPTO patent term adjustment record | Aug 14, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,532,488, US 8,543,003, US 8,650,606) | capped to Jun 30, 2032 | Medium 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 | Jun 30, 2032 | Medium confidence |
This family
| US 8,948,596 | In force Nov 2032 | Nov 2032 |
| US 8,543,003 | Lapsed on the fee record Sep 2025 | Sep 2025 |
| US 8,578,437 | Lapsed on the fee record Nov 2021 | Nov 2021 |
| US 8,811,191 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 8,650,606 | Lapsed on the fee record Feb 2026 | Feb 2026 |
| US 8,532,488 | Lapsed on the fee record Sep 2025 | Sep 2025 |
| US 9,019,855 | this patent Jun 2032 | Jun 2032 |
| US 9,088,310 | In force Jun 2032 | Jun 2032 |
8 of 12 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 |
|---|---|---|---|
| Dec 20, 2012 Reel 29507, frame 626 | Nielsen, Steven; Totten, Ronald; Halky, Travis | Certusview Technologies, 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
Jun 2032
Term ends Jun 30, 2032.
Note
The 45 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 8,532,488, US 8,543,003, US 8,650,606.
Citations
18
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.