Term ends Mar 15, 2038 · High confidence
20-year base term ends Mar 15, 2038
Filed Mar 15, 2018 as application 15/921,898 · Granted Aug 18, 2020
Base term, 20 years from filing
Today
2018
2038
Clock starts
Mar 15, 2018
Mar 15, 2018
Term ends
Mar 15, 2038
Mar 15, 2038
Granted
Aug 18, 2020
Aug 18, 2020
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
53
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 is its 20-year base term, with no adjustment for prosecution delay. 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 Mar 15, 2018, when this application, 15/921,898, was filed | Mar 15, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | Mar 15, 2038 | High confidence |
This family
| US 10,079,199 | In force Aug 2036 | Aug 2036 |
| US 10,529,576 | In force Aug 2037 | Aug 2037 |
| US 10,319,639 | In force Sep 2037 | Sep 2037 |
| US 10,748,850 | this patent Mar 2038 | Mar 2038 |
| US 10,741,487 | In force Apr 2038 | Apr 2038 |
| US 10,446,480 | In force Aug 2036 | Aug 2036 |
| US 10,763,173 | In force Aug 2037 | Aug 2037 |
| US 10,950,534 | In force Aug 2036 | Aug 2036 |
8 of 53 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 |
|---|---|---|---|
| Mar 15, 2018 Reel 45230, frame 381 | Lin, Yusheng; Carney, Francis J.; Noma, Takashi | Semiconductor Components Industries, LLC | Assignment of Assignor's Interest |
| Dec 6, 2018 Reel 47734, frame 68 | Semiconductor Components Industries, LLC | Deutsche Bank AG New York Branch, as Collateral Agent | Security Interest |
| Jun 23, 2023 reel/frame not recorded | Deutsche Bank AG New York Branch, as Collateral Agent | Semiconductor Components Industries, LLC | Release of Security Interest in Patents Recorded at Reel 047734, Frame 0068 |
| Jun 23, 2023 reel/frame not recorded | Deutsche Bank AG New York Branch, as Collateral Agent | Fairchild Semiconductor Corporation | Release of Security Interest in Patents Recorded at Reel 047734, Frame 0068 |
| Jun 23, 2023 Reel 64160, frame 27 | Deutsche Bank AG New York Branch, as Collateral Agent | Semiconductor Components Industries, LLC; Fairchild Semiconductor Corporation | Release of Security Interest in Patents Recorded at Reel 047734, Frame 0068 |
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
Mar 2038
Term ends Mar 15, 2038. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2020 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.