Term ends Dec 19, 2026 · High confidence
20-year base term ended Jun 19, 2026
Held by Amazon Technologies, Inc.
Filed Oct 26, 2018 as application 16/172,484 · Granted Oct 20, 2020
Base term plus 183 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Jun 19, 2006
Jun 19, 2006
Term ends
Dec 19, 2026
Dec 19, 2026
Granted
Oct 20, 2020
Oct 20, 2020
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
183
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.
7
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 183 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 Jun 19, 2006, when application 11/425,066, the earliest non-provisional in its chain, was filed (this one was filed Oct 26, 2018) | Jun 19, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +183 days, USPTO patent term adjustment record | Dec 19, 2026 | 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 | Dec 19, 2026 | High confidence |
This family
| US 7,912,574 | In force Nov 2028 | Nov 2028 |
| US 8,606,392 | In force Oct 2027 | Oct 2027 |
| US 9,519,284 | Lapsed on the fee record Dec 2024 | Dec 2024 |
| US 10,133,267 | Term ended Oct 2026 | Oct 2026 |
| US 10,067,501 | Term ended Jun 2026 | Jun 2026 |
| US 10,990,088 | Term ended Oct 2026 | Oct 2026 |
| US 10,809,706 | this patent Dec 2026 | Dec 2026 |
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 |
|---|---|---|---|
| Apr 16, 2020 Reel 52420, frame 888 | Wurman, Peter R.; D'Andrea, Raffaello (Nmi); Barbehenn, Michael T.; Hoffman, Andrew E.; Mountz, Michael C. | Kiva Systems, Inc. | Assignment of Assignor's Interest |
| Apr 16, 2020 Reel 52421, frame 488 | Kiva Systems, LLC | Amazon Technologies, Inc. | Assignment of Assignor's Interest |
| Apr 16, 2020 Reel 52425, frame 757 | Kiva Systems, Inc. | Kiva Systems, LLC | Change of Name |
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
Dec 2026
Term ends Dec 19, 2026. No further fees fall due before then
Note
The 183 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
28
later US patents cite this one
That is top 10% 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.