Term ends May 20, 2037 · Medium confidence
20-year base term ends Jun 30, 2036
Why Medium: A parent in the chain could not be resolved.
Held by Block, Inc.
Filed Aug 23, 2019 as application 16/549,816 · Granted May 23, 2023
Base term plus 324 days of patent term adjustment (USPTO delay)
Today
2016
2037
Clock starts
Jun 30, 2016
Jun 30, 2016
Term ends
May 20, 2037
May 20, 2037
Granted
May 23, 2023
May 23, 2023
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
324
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
10
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 324 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: Medium. 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 Jun 30, 2016, when application 15/198,793, the earliest non-provisional in its chain, was filed (this one was filed Aug 23, 2019); a parent in its chain could not be resolved (the next row) | Jun 30, 2036 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +324 days, USPTO patent term adjustment record | May 20, 2037 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 20, 2037 | Medium confidence |
This family
| US 9,741,036 | Lapsed on the fee record Aug 2025 | Aug 2025 |
| Application 15/199,596 | Abandoned not computed | not computed |
| US 10,453,049 | In force Jun 2036 | Jun 2036 |
| US 10,460,395 | In force Dec 2037 | Dec 2037 |
| Application PCT/US2017/039731 | PCT application no patent term | no patent term |
| US 10,102,528 | In force Jun 2036 | Jun 2036 |
| US 11,657,448 | this patent May 2037 | May 2037 |
| US 11,605,066 | In force Jun 2036 | Jun 2036 |
8 of 10 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 |
|---|---|---|---|
| Aug 23, 2019 Reel 50155, frame 32 | Grassadonia, Brian | Square, Inc. | Assignment of Assignor's Interest |
| Dec 29, 2021 Reel 58598, frame 925 | Square, Inc. | Block, Inc. | 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
May 2037
Term ends May 20, 2037. Maintenance fees still fall due before then
Note
The 324 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
8
later US patents cite this one
That is top 10% of utility patents granted in 2023 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.