Also listed on Phoenix Technologies Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Sep 4, 2032 · High confidence
20-year base term ends May 26, 2032
Filed Feb 11, 2013 as application 13/764,364 · Granted Oct 28, 2014
Base term plus 101 days of patent term adjustment (USPTO delay)
Today
2012
2032
Clock starts
May 26, 2012
May 26, 2012
Term ends
Sep 4, 2032
Sep 4, 2032
Granted
Oct 28, 2014
Oct 28, 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
101
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.
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 101 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 May 26, 2012, when application 13/481,828, the earliest non-provisional in its chain, was filed (this one was filed Feb 11, 2013) | May 26, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +101 days, USPTO patent term adjustment record | Sep 4, 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 4, 2032 | High confidence |
This family
| Application 13/481,828 | Abandoned not computed | not computed |
| US 8,874,892 | this patent Sep 2032 | Sep 2032 |
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 30, 2013 Reel 31315, frame 700 | Phoenix Technologies Ltd. | Cerberus Business Finance, LLC, as Collateral Agent | IP Security Agreement - Patents |
| Jun 20, 2019 Reel 49551, frame 872 | Chan, Steven; Kikinis, Dan | Phoenix Technologies Ltd. | Assignment of Assignor's Interest |
| Jun 26, 2019 Reel 51615, frame 484 | Phoenix Technologies Ltd. | Phoenix Technologies Ltd. | Change of Address |
| Jan 12, 2021 Reel 54891, frame 928 | Cerberus Business Finance, LLC | Phoenix Technologies, Ltd. | Release of Security Interest |
| Jan 12, 2021 Reel 54893, frame 734 | Phoenix Technologies Ltd. | Santera Emea Ltd. | Assignment of Assignor's Interest |
| Aug 17, 2021 Reel 57199, frame 594 | Santera Emea Ltd. | Phoenix Technologies Emea Limited | Change of Name |
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 4, 2032. No further fees fall due before then
Note
The 101 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
56
later US patents cite this one
That is top 10% 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.