Collateral for a security interest recorded May 15, 2024 (U.S. Bank National Association).
Term ends Nov 26, 2026 · High confidence
20-year base term ended Dec 16, 2023
Held by Universal Electronics Inc.
Filed Dec 16, 2003 as application 10/737,029 · Granted Sep 15, 2009
Base term plus 1076 days of patent term adjustment (USPTO delay)
Today
2003
2026
Clock starts
Dec 16, 2003
Dec 16, 2003
Term ends
Nov 26, 2026
Nov 26, 2026
Granted
Sep 15, 2009
Sep 15, 2009
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
1,076
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.
7
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 1076 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 16, 2003, when this application, 10/737,029, was filed | Dec 16, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1076 days, USPTO patent term adjustment record | Nov 26, 2026 | 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 | Nov 26, 2026 | High confidence |
This family
| US 7,589,642 | this patent Nov 2026 | Nov 2026 |
| US 8,004,389 | Term ended Jan 2024 | Jan 2024 |
| US 9,355,553 | In force no later than Feb 2027 | no later than Feb 2027 |
| US 9,911,325 | Term ended Dec 2023 | Dec 2023 |
| Application 15/864,339 | Abandoned not computed | not computed |
| Application 16/057,544 | Abandoned not computed | not computed |
| Application 90/019,291 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Dec 16, 2003 Reel 14806, frame 254 | Mui, Daniel Saufu | Zilog, Inc. | Assignment of Assignor's Interest |
| Mar 4, 2009 Reel 22343, frame 395 | Zilog, Inc.; Zilog International, Ltd. | Uei Cayman Inc. | Assignment of Assignor's Interest |
| Apr 28, 2016 Reel 38402, frame 250 | Uei Cayman Inc. | C.G. Development Limited | Assignment of Assignor's Interest |
| Apr 29, 2016 Reel 38416, frame 581 | C.G. Development Limited; Uei Cayman Inc. | Universal Electronics Inc. | Assignment of Assignor's Interest |
| May 15, 2024 Reel 67417, frame 402 | Universal Electronics Inc. | U.S. Bank National Association | 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.
What's changing
Nov 2026
Term ends Nov 26, 2026. No further fees fall due before then
Note
The 1076 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
104
later US patents cite this one
That is top 10% of utility patents granted in 2009 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.