Term ended Feb 8, 2026 · High confidence
20-year base term ended Feb 8, 2026
Held by Align Technology, Inc.
Filed Dec 22, 2016 as application 15/388,580 · Granted Dec 4, 2018
Base term plus 42 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Feb 8, 2026
2006
2026
Clock starts
Feb 8, 2006
Feb 8, 2006
Term ended
Feb 8, 2026
Feb 8, 2026
Granted
Dec 4, 2018
Dec 4, 2018
base term
after the term ends
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
42
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 9,186,228, US 9,549,794.
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.
14
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 42 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Feb 8, 2006, when application 11/349,124, the earliest non-provisional in its chain, was filed (this one was filed Dec 22, 2016) | Feb 8, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +42 days, USPTO patent term adjustment record | Mar 22, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,186,228, US 9,549,794) | capped to Feb 8, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 1 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 8, 2026 | High confidence |
This family
| US 7,555,403 | Term ended Nov 2026 | Nov 2026 |
| US 7,734,368 | Term ended no later than Feb 2026 | no later than Feb 2026 |
| US 8,041,439 | Term ended Feb 2026 | Feb 2026 |
| US 8,359,115 | Term ended no later than Feb 2026 | no later than Feb 2026 |
| US 8,805,563 | Term ended Feb 2026 | Feb 2026 |
| US 9,186,228 | Term ended Feb 2026 | Feb 2026 |
| US 9,549,794 | Term ended Feb 2026 | Feb 2026 |
| US 10,143,541 | this patent Feb 2026 | Feb 2026 |
8 of 14 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 42 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 9,186,228, US 9,549,794.
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2018 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.