Also listed on Arraycomm LLC., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 5, 2029 · High confidence
20-year base term ended Dec 30, 2022
Held by Xylon LLC
Filed Dec 30, 2002 as application 10/334,994 · Granted Dec 7, 2010
Base term plus 2318 days of patent term adjustment (USPTO delay)
Today
2002
2029
Clock starts
Dec 30, 2002
Dec 30, 2002
Term ends
May 5, 2029
May 5, 2029
Granted
Dec 7, 2010
Dec 7, 2010
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
2,318
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.
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 runs 2318 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, 2002, when this application, 10/334,994, was filed | Dec 30, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +2318 days, USPTO patent term adjustment record | May 5, 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 | May 5, 2029 | High confidence |
This family
| US 7,849,173 | this patent May 2029 | May 2029 |
| US 7,849,177 | Term ended Nov 2023 | Nov 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 |
|---|---|---|---|
| Apr 14, 2003 Reel 13950, frame 82 | Uhlik, Christopher | Arraycomm, Inc. | Assignment of Assignor's Interest |
| Jun 27, 2005 Reel 16418, frame 995 | Arraycomm, Inc. | Durham Logistics LLC | Assignment of Assignor's Interest |
| Oct 2, 2015 Reel 36743, frame 770 | Durham Logistics LLC | Xylon LLC | Merger |
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
May 2029
Term ends May 5, 2029. No further fees fall due before then
Note
The 2318 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
69
later US patents cite this one
That is top 10% of utility patents granted in 2010 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.