Term ends no later than Aug 29, 2031 · Medium confidence
20-year base term ends Aug 29, 2031
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Aug 29, 2011
Aug 29, 2031
May 30, 2017
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
| 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 Jun 1, 2016) | Aug 29, 2031 | 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 | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | 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 | no later than Aug 29, 2031 | Medium confidence |
This family
| US 8,892,731 | In force Aug 2032 | Aug 2032 |
| US 9,413,848 | Lapsed on the fee record Aug 2020 | Aug 2020 |
| US 9,667,744 | this patent no later than Aug 2031 | no later than Aug 2031 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| 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.
What's changing
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Aug 29, 2031. We will not guess the cap.