Term ends Jul 17, 2040 · Medium confidence
20-year base term ends Jul 17, 2040
Why Medium: A parent in the chain could not be resolved.
Held by Asustek Computer Inc.
Filed Jan 17, 2021 as application 17/151,190 · Granted Feb 28, 2023
Base term plus 51 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2020
2040
Clock starts
Jul 17, 2020
Jul 17, 2020
Term ends
Jul 17, 2040
Jul 17, 2040
Granted
Feb 28, 2023
Feb 28, 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
51
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 10,939,392.
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.
3
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 51 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: 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 Jul 17, 2020, when application 16/932,278, the earliest non-provisional in its chain, was filed (this one was filed Jan 17, 2021); a parent in its chain could not be resolved (the next row) | Jul 17, 2040 | 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 | +51 days, USPTO patent term adjustment record | Sep 6, 2040 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,939,392) | capped to Jul 17, 2040 | 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 | Jul 17, 2040 | Medium confidence |
This family
| US 10,939,392 | In force Jul 2040 | Jul 2040 |
| US 11,595,918 | this patent Jul 2040 | Jul 2040 |
| Application 17/947,508 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Jan 17, 2021 Reel 54940, frame 554 | Li, Ming-che; Huang, Chun-wei; Tseng, Li-chih | Asustek Computer 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.
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Alerts on its grants, lapses and transfers.
What's changing
Jul 2040
Term ends Jul 17, 2040.
Note
The 51 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 10,939,392.
Citations
13
later US patents cite this one
That is top 5% 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.