Collateral for a security interest recorded Jan 5, 2021 (Horizon Technology Finance Corporation).
Term ends Sep 13, 2032 · High confidence
20-year base term ends Oct 10, 2031
Held by Liqid Inc.
Filed Oct 10, 2011 as application 13/270,084 · Granted Apr 1, 2014
Base term plus 339 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Oct 10, 2011
Oct 10, 2011
Term ends
Sep 13, 2032
Sep 13, 2032
Granted
Apr 1, 2014
Apr 1, 2014
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
339
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.
5
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 339 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 Oct 10, 2011, when this application, 13/270,084, was filed | Oct 10, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +339 days, USPTO patent term adjustment record | Sep 13, 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 | Sep 13, 2032 | High confidence |
This family
| US 8,688,926 | this patent Sep 2032 | Sep 2032 |
| US 9,285,827 | Lapsed on the fee record Mar 2024 | Mar 2024 |
| US 10,191,667 | In force Jan 2032 | Jan 2032 |
| US 10,795,584 | In force Oct 2031 | Oct 2031 |
| US 11,366,591 | In force Oct 2031 | Oct 2031 |
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 |
|---|---|---|---|
| Oct 10, 2011 Reel 27039, frame 111 | Breakstone, Jason; Gupta, Alok; Desai, Himanshu; Campos, Angelo | Puresilicon Inc. | Assignment of Assignor's Interest |
| Mar 11, 2014 Reel 32406, frame 654 | Puresilicon, Inc. | Liqid Inc. | Assignment of Assignor's Interest |
| Oct 3, 2019 Reel 50630, frame 636 | Liqid Inc. | Canadian Imperial Bank of Commerce | Security Interest |
| Jan 5, 2021 Reel 54900, frame 539 | Liqid Inc. | Horizon Technology Finance Corporation | Security Interest |
| Apr 16, 2021 Reel 55953, frame 860 | Canadian Imperial Bank of Commerce | Liqid 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
Sep 2032
Term ends Sep 13, 2032. No further fees fall due before then
Note
The 339 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
203
later US patents cite this one
That is top 5% of utility patents granted in 2014 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.