Term ends Aug 2, 2036 · High confidence
20-year base term ends Sep 25, 2035
Held by Coinbase, Inc.
Filed Jul 31, 2019 as application 16/528,405 · Granted Apr 12, 2022
Base term plus 312 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
Sep 25, 2015
Sep 25, 2015
Term ends
Aug 2, 2036
Aug 2, 2036
Granted
Apr 12, 2022
Apr 12, 2022
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
312
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,409,827, to Aug 2, 2036. The term already ends on or before that date, so the cap shortened nothing.
1 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.
8
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 312 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is 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 Sep 25, 2015, when application 14/866,102, the earliest non-provisional in its chain, was filed (this one was filed Jul 31, 2019) | Sep 25, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +312 days, USPTO patent term adjustment record | Aug 2, 2036 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,409,827) | resolves to Aug 2, 2036, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 2, 2036 | High confidence |
This family
| US 11,270,298 | In force Nov 2036 | Nov 2036 |
| Application PCT/US2015/024659 | PCT application no patent term | no patent term |
| US 10,338,558 | In force Dec 2036 | Dec 2036 |
| US 10,409,827 | In force Aug 2037 | Aug 2037 |
| Application PCT/US2015/054706 | PCT application no patent term | no patent term |
| Application PCT/US2015/054895 | PCT application no patent term | no patent term |
| US 10,558,188 | In force Aug 2035 | Aug 2035 |
| US 11,301,481 | this patent Aug 2036 | Aug 2036 |
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 24, 2019 Reel 50817, frame 308 | Kheterpal, Veerbhan; Firu, Daniel; Drego, Nigel | 21, Inc. | Assignment of Assignor's Interest |
| Nov 15, 2022 Reel 61781, frame 49 | 21, Inc. | Coinbase, 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.
What's changing
Aug 2036
Term ends Aug 2, 2036. Maintenance fees still fall due before then
Note
The 312 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,409,827, ends no earlier than this term, so it caps nothing.
Citations
2
later US patents cite this one
That is above the median of utility patents granted in 2022 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.