Term ends Mar 27, 2031 · High confidence
20-year base term ends Mar 14, 2027
Held by Clearone Holding, LLC
Filed Dec 22, 2007 as application 11/963,809 · Granted Feb 18, 2014
Base term plus 1474 days of patent term adjustment (USPTO delay)
Today
2007
2031
Clock starts
Mar 14, 2007
Mar 14, 2007
Term ends
Mar 27, 2031
Mar 27, 2031
Granted
Feb 18, 2014
Feb 18, 2014
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
1,474
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 1474 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 Mar 14, 2007, when application 11/686,280, the earliest non-provisional in its chain, was filed (this one was filed Dec 22, 2007) | Mar 14, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1474 days, USPTO patent term adjustment record | Mar 27, 2031 | 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 | Mar 27, 2031 | High confidence |
This family
| US 8,077,857 | In force Jun 2030 | Jun 2030 |
| US 8,654,955 | this patent Mar 2031 | Mar 2031 |
| US 8,406,415 | In force Feb 2031 | Feb 2031 |
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 |
|---|---|---|---|
| Jan 26, 2011 Reel 25702, frame 137 | Lambert, David K. | Clearone Communications, Inc. | Assignment of Assignor's Interest |
| Jan 14, 2016 Reel 37521, frame 764 | Clearone Communications Inc. | Clearone Inc. | Change of Name |
| Oct 30, 2025 Reel 73144, frame 390 | Clearone Holding, LLC | Biamp Systems, LLC | Assignment of Assignor's Interest |
| Nov 18, 2025 Reel 73179, frame 609 | Clearone, Inc. | Clearone Holding, LLC | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2031
Term ends Mar 27, 2031. No further fees fall due before then
Note
The 1474 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
39
later US patents cite this one
That is top 25% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.