Term ended Mar 29, 2026 · High confidence
20-year base term ended Dec 30, 2025
Held by Auctane, Inc.
Filed Aug 22, 2012 as application 13/591,817 · Granted Dec 10, 2019
Base term plus 89 days of patent term adjustment (USPTO delay)
Today
Term ended Mar 29, 2026
2005
2026
Clock starts
Dec 30, 2005
Dec 30, 2005
Term ended
Mar 29, 2026
Mar 29, 2026
Granted
Dec 10, 2019
Dec 10, 2019
base term
patent term adjustment
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
89
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,285,651, to Mar 29, 2026. The term already ends on or before that date, so the cap shortened nothing.
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.
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 89 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 application 11/323,462, the earliest non-provisional in its chain, was filed (this one was filed Aug 22, 2012) | Dec 30, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +89 days, USPTO patent term adjustment record | Mar 29, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,285,651) | resolves to Mar 29, 2026, no earlier than this term, so no change | 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 | Mar 29, 2026 | High confidence |
This family
| US 8,285,651 | In force Aug 2029 | Aug 2029 |
| US 10,504,298 | this patent 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 |
|---|---|---|---|
| Aug 22, 2012 Reel 28830, frame 546 | 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
Note
The 89 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,285,651, ends no earlier than this term, so it caps nothing.
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2019 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.