Term ends Sep 26, 2038 · High confidence
20-year base term ends Aug 10, 2038
Held by Honor Device Co., Ltd.
Filed Feb 23, 2022 as application 17/678,281 · Granted Jan 23, 2024
Base term plus 47 days of patent term adjustment (USPTO delay)
Today
2018
2038
Clock starts
Aug 10, 2018
Aug 10, 2018
Term ends
Sep 26, 2038
Sep 26, 2038
Granted
Jan 23, 2024
Jan 23, 2024
base term
patent term adjustment
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
47
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
9
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 47 days past its 20-year base term on prosecution delay. 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 Aug 10, 2018, when application PCT/CN2018/099932, the earliest non-provisional in its chain, was filed (this one was filed Feb 23, 2022) | Aug 10, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +47 days, USPTO patent term adjustment record | Sep 26, 2038 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 26, 2038 | High confidence |
This family
| US 11,295,653 | In force Aug 2038 | Aug 2038 |
| US 11,705,039 | In force Aug 2038 | Aug 2038 |
| US 11,881,137 | this patent Sep 2038 | Sep 2038 |
| US 11,990,076 | In force no later than Aug 2038 | no later than Aug 2038 |
| US 12,230,179 | In force Aug 2038 | Aug 2038 |
| US 12,333,981 | In force Aug 2038 | Aug 2038 |
| US 12,626,628 | In force Aug 2038 | Aug 2038 |
| Application 19/658,098 | Pending not computed | not computed |
8 of 9 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 |
|---|---|---|---|
| Jun 10, 2022 Reel 60169, frame 628 | Li, Chenlong; Gui, Hongxia; Zhao, Xin | Huawei Technologies Co., Ltd. | Assignment of Assignor's Interest |
| Jun 10, 2022 Reel 60331, frame 271 | Huawei Technologies Co., Ltd. | Honor Device Co., Ltd. | 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
Sep 2038
Term ends Sep 26, 2038. Maintenance fees still fall due before then
Note
The 47 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.