Term ends Aug 3, 2032 · High confidence
20-year base term ends Aug 29, 2031
Held by Stripe, LLC
Filed Oct 27, 2011 as application 13/266,579 · Granted Nov 18, 2014
Base term plus 340 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Aug 29, 2011
Aug 29, 2011
Term ends
Aug 3, 2032
Aug 3, 2032
Granted
Nov 18, 2014
Nov 18, 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
340
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
4
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 340 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Aug 29, 2011, when application PCT/JP2011/004805, the earliest non-provisional in its chain, was filed (this one was filed Oct 27, 2011) | Aug 29, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +340 days, USPTO patent term adjustment record | Aug 3, 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 3, 2032 | High confidence |
This family
| US 8,892,731 | this patent Aug 2032 | Aug 2032 |
| US 9,413,848 | Lapsed on the fee record Aug 2020 | Aug 2020 |
| US 9,667,744 | In force no later than Aug 2031 | no later than Aug 2031 |
3 of 4 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 |
|---|---|---|---|
| Oct 27, 2011 Reel 27132, frame 811 | Oki, Eiji; Yamanaka, Naoaki; Arakawa, Yutaka | Empire Technology Development LLC | Assignment of Assignor's Interest |
| Jan 29, 2019 Reel 48373, frame 217 | Empire Technology Development LLC | Crestline Direct Finance, L.p. | Security Interest |
| Jun 22, 2021 Reel 56612, frame 440 | Crestline Direct Finance, L.p. | Empire Technology Development LLC | Release of Security Interest |
| Sep 22, 2025 Reel 72936, frame 464 | Crestline Direct Finance, L.P., as Collateral Agent | Empire Technology Development LLC | Release of Security Interest in Patents, Recorded on January 29, 2019 at Reel 048373 Frame 0217 |
| Jan 7, 2026 Reel 74264, frame 807 | Stripe, Inc. | Stripe, LLC | Change of Name |
| Jun 22, 2026 Reel 75799, frame 53 | Crestline Direct Finance, L.P., as Collateral Agent | Empire Technology Development LLC | Release of Security Interest in Patents, Recorded on January 29, 2019, at Reel/Frame 048373/0217 |
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
Aug 2032
Term ends Aug 3, 2032.
Note
The 340 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
19
later US patents cite this one
That is top 25% 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.