Term ends Aug 23, 2029 · High confidence
20-year base term ended Dec 30, 2025
Held by Auctane, Inc.
Filed Dec 30, 2005 as application 11/323,462 · Granted Oct 9, 2012
Base term plus 1332 days of patent term adjustment (USPTO delay)
Today
2005
2029
Clock starts
Dec 30, 2005
Dec 30, 2005
Term ends
Aug 23, 2029
Aug 23, 2029
Granted
Oct 9, 2012
Oct 9, 2012
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
1,332
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.
3
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 1332 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 Dec 30, 2005, when this application, 11/323,462, was filed | Dec 30, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1332 days, USPTO patent term adjustment record | Aug 23, 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 | Aug 23, 2029 | High confidence |
This family
| US 8,285,651 | this patent Aug 2029 | Aug 2029 |
| US 10,504,298 | Term ended Mar 2026 | Mar 2026 |
| US 10,431,013 | In force 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 |
|---|---|---|---|
| May 5, 2006 Reel 17583, frame 840 | Leon, J.p.; Bussell, Keith | Stamps.com Inc. | Assignment of Assignor's Interest |
| Nov 25, 2015 Reel 37159, frame 492 | Stamps.com Inc. | Wells Fargo Bank, National Association, as Administrative Agent | Security Interest |
| Oct 8, 2021 Reel 57758, frame 116 | Stamps.com Inc.; Psi Systems, Inc.; Auctane LLC; Shippingeasy Group, Inc. | Ares Capital Corporation | Security Interest |
| Oct 20, 2021 Reel 57881, frame 77 | Wells Fargo Bank | Stamps.com Inc. | Release of Security Interest |
| Aug 4, 2022 Reel 61072, frame 327 | Stamps.com Inc. | Auctane, Inc. | 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.
What's changing
Aug 2029
Term ends Aug 23, 2029. No further fees fall due before then
Note
The 1332 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
15
later US patents cite this one
That is above the median of utility patents granted in 2012 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.