Term ended Dec 17, 2025 · High confidence
20-year base term ended Mar 9, 2025
Held by Rem Technology Inc.
Filed Mar 9, 2005 as application 11/078,905 · Granted Feb 26, 2013
Base term plus 283 days of patent term adjustment (USPTO delay)
Today
Term ended Dec 17, 2025
2005
2026
Clock starts
Mar 9, 2005
Mar 9, 2005
Term ended
Dec 17, 2025
Dec 17, 2025
Granted
Feb 26, 2013
Feb 26, 2013
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
283
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 283 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Mar 9, 2005, when this application, 11/078,905, was filed | Mar 9, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +283 days, USPTO patent term adjustment record | Dec 17, 2025 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Dec 17, 2025 | High confidence |
This family
| US 8,382,469 | this patent Dec 2025 | Dec 2025 |
| US 8,113,181 | In force Dec 2026 | Dec 2026 |
| US 8,978,627 | Term ended Mar 2025 | Mar 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 |
|---|---|---|---|
| May 13, 2005 Reel 16558, frame 70 | Malm, Howard Leigh | Rem Technology Inc. | Assignment of Assignor's 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.
What's changing
Note
The 283 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
14
later US patents cite this one
That is above the median of utility patents granted in 2013 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.