Term ends Sep 28, 2038 · High confidence
20-year base term ends Sep 28, 2038
Held by Hint, Inc.
Filed Jun 7, 2019 as application 16/434,674 · Granted Feb 21, 2023
Base term plus 7 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2018
2038
Clock starts
Sep 28, 2018
Sep 28, 2018
Term ends
Sep 28, 2038
Sep 28, 2038
Granted
Feb 21, 2023
Feb 21, 2023
base term
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
7
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,354,239.
0 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 7 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 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 Sep 28, 2018, when application 16/147,236, the earliest non-provisional in its chain, was filed (this one was filed Jun 7, 2019) | Sep 28, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +7 days, USPTO patent term adjustment record | Oct 5, 2038 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,354,239) | capped to Sep 28, 2038 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 28, 2038 | High confidence |
This family
| US 10,354,239 | In force Sep 2038 | Sep 2038 |
| US 11,587,051 | this patent Sep 2038 | Sep 2038 |
| Application 18/094,231 | Abandoned not computed | not computed |
| Application 18/345,763 | Abandoned not computed | not computed |
| Application 18/345,714 | Abandoned not computed | not computed |
| Application 18/356,920 | Abandoned not computed | not computed |
| Application 18/356,873 | Abandoned not computed | not computed |
| Application 18/356,855 | Abandoned not computed | not computed |
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 22, 2019 Reel 50137, frame 392 | Nguyen, Frank Thanh; De Waal, Abraham Benjamin; Rankin, Aubrey Eric | Hint, Inc. | Assignment of Assignor's Interest |
| Mar 18, 2022 Reel 59313, frame 135 | Hint, Inc. | Athyrium Buffalo LP | Security Interest |
| Feb 7, 2025 Reel 70147, frame 865 | Athyrium Buffalo LP | Hint, Inc. | Release of Security 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
Sep 2038
Term ends Sep 28, 2038.
Note
The 7 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,354,239.
Citations
2
later US patents cite this one
That is above the median 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.