Collateral for a security interest recorded Oct 8, 2021 (Ares Capital Corporation).
Term ended Jun 23, 2025 · High confidence
20-year base term ended Jun 23, 2025
USPTO later recorded it as expired for non-payment on Feb 9, 2026.
Held by Psi Systems, Inc.
Filed Oct 19, 2010 as application 12/923,988 · Granted Jan 7, 2014
Base term, 20 years from filing
Today
Term ended Jun 23, 2025
2005
2026
Clock starts
Jun 23, 2005
Jun 23, 2005
Term ended
Jun 23, 2025
Jun 23, 2025
Granted
Jan 7, 2014
Jan 7, 2014
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
2
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 is its 20-year base term, with no adjustment for prosecution delay. 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 23, 2005, when application 11/165,647, the earliest non-provisional in its chain, was filed (this one was filed Oct 19, 2010) | Jun 23, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | 2 of 2 maintenance fees paid | term ended | High confidence |
| USPTO status record | Recorded as expired for non-payment on Feb 9, 2026, after the term ended | no change | High confidence |
| Computed term end | The steps above, in order | Jun 23, 2025 | High confidence |
This family
| US 7,844,553 | In force May 2028 | May 2028 |
| US 8,626,674 | this patent Jun 2025 | Jun 2025 |
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 |
|---|---|---|---|
| Oct 19, 2010 Reel 25212, frame 797 | Whitehouse, Harry T. | Psi Systems, Inc. | Assignment of Assignor's Interest |
| Dec 7, 2015 Reel 37228, frame 900 | Psi Systems, Inc. | Wells Fargo Bank, National Association, as Administrative Agent | Security Interest |
| Oct 6, 2021 Reel 57721, frame 962 | Wells Fargo Bank | Psi Systems, Inc. | Release of 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 |
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.
Citations
52
later US patents cite this one
That is top 10% 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.