Term ends Sep 16, 2028 · High confidence
20-year base term ends Sep 28, 2027
Held by SDG, Inc.
Filed Jan 30, 2020 as application 16/776,665 · Granted Dec 6, 2022
Base term plus 354 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
Sep 28, 2007
Sep 28, 2007
Term ends
Sep 16, 2028
Sep 16, 2028
Granted
Dec 6, 2022
Dec 6, 2022
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
354
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 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it 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 354 days past its 20-year base term on prosecution delay. 1 of 1 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 Sep 28, 2007, when application 11/904,937, the earliest non-provisional in its chain, was filed (this one was filed Jan 30, 2020) | Sep 28, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +354 days, USPTO patent term adjustment record | Sep 16, 2028 | 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 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 16, 2028 | High confidence |
This family
| US 8,962,015 | In force Oct 2028 | Oct 2028 |
| US 10,568,835 | In force no later than Sep 2027 | no later than Sep 2027 |
| US 11,517,529 | this patent Sep 2028 | Sep 2028 |
| Application 18/357,721 | Abandoned not computed | not computed |
| Application 18/599,514 | Abandoned not computed | not computed |
| Application 18/920,471 | Abandoned not computed | not computed |
| Application 19/223,539 | Abandoned not computed | not computed |
| Application 19/445,502 | Abandoned 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.
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 2028
Term ends Sep 16, 2028. No further fees fall due before then
Note
The 354 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2022 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.