Also listed on Evi Technologies Limited, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 9, 2029 · High confidence
20-year base term ended Jul 21, 2026
Held by Amazon Technologies, Inc.
Filed Jul 21, 2006 as application 11/459,202 · Granted Mar 4, 2014
Base term plus 1207 days of patent term adjustment (USPTO delay)
Today
2006
2029
Clock starts
Jul 21, 2006
Jul 21, 2006
Term ends
Nov 9, 2029
Nov 9, 2029
Granted
Mar 4, 2014
Mar 4, 2014
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
1,207
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
4
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 1207 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 21, 2006, when this application, 11/459,202, was filed | Jul 21, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1207 days, USPTO patent term adjustment record | Nov 9, 2029 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 9, 2029 | High confidence |
This family
| US 8,666,928 | this patent Nov 2029 | Nov 2029 |
| Application 13/896,078 | Abandoned not computed | not computed |
| Application 13/896,878 | Abandoned not computed | not computed |
| US 9,098,492 | Lapsed on the fee record Aug 2023 | Aug 2023 |
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 |
|---|---|---|---|
| Nov 20, 2006 Reel 18539, frame 643 | Tunstall-pedoe, William | True Knowledge Ltd. | Assignment of Assignor's Interest |
| Aug 20, 2012 Reel 28816, frame 16 | True Knowledge Limited | Evi Technologies Limited | Change of Name |
| May 14, 2014 Reel 32886, frame 325 | Evi Technologies Limited | Amazon Technologies, Inc. | Assignment of Assignor's Interest |
| Jul 12, 2016 Reel 39321, frame 393 | Evi Technologies Limited | Amazon Technologies, Inc. | Corrective Assignment to Correct the Inadvertently Omitted the Signature of Assignee Inside the Assignment Document Previously Recorded at Reel: 032886 Frame: 0325. Assignor(S) Hereby Confirms the Assignment. |
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
Nov 2029
Term ends Nov 9, 2029. No further fees fall due before then
Note
The 1207 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
234
later US patents cite this one
That is top 5% of utility patents granted in 2014 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.