Lapsed Feb 18, 2026 on the fee record · High confidence
20-year base term ends Mar 25, 2028
Third maintenance fee unpaid; grace period ended.
Held by Espial de, Inc.
Filed May 13, 2011 as application 13/107,415 · Granted Feb 18, 2014
Base term, 20 years from filing
Today
Lapsed Feb 18, 2026
2008
2028
Clock starts
Mar 25, 2008
Mar 25, 2008
No longer in force
Feb 18, 2026
Feb 18, 2026
Granted
Feb 18, 2014
Feb 18, 2014
Term would have run to
Mar 25, 2028
Mar 25, 2028
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
2
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Mar 25, 2028: its 20-year base term, with no adjustment for prosecution delay. 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 Mar 25, 2008, when application 12/054,783, the earliest non-provisional in its chain, was filed (this one was filed May 13, 2011) | Mar 25, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | 2 of 3 maintenance fees paid | lapsed Feb 18, 2026 | High confidence |
| Computed term end | The steps above, in order | Feb 18, 2026 | High confidence |
This family
| US 7,971,223 | In force Nov 2029 | Nov 2029 |
| US 8,656,438 | this patent Feb 2026 | Feb 2026 |
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 |
|---|---|---|---|
| Jul 8, 2011 Reel 26562, frame 768 | Kahn, Brian E.; Ewald, Timothy J. | Seachange International, Inc. | Assignment of Assignor's Interest |
| Jul 8, 2025 Reel 71867, frame 371 | Seachange International, Inc. | Espial de, Inc. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
Citations
1
later US patent cites this one
That is below the median 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.