Term ends Mar 22, 2030 · High confidence
20-year base term ends Dec 4, 2027
Held by ViXS Systems, Inc.
Filed Aug 18, 2011 as application 13/212,970 · Granted May 26, 2015
Base term plus 839 days of patent term adjustment (USPTO delay)
Today
2007
2030
Clock starts
Dec 4, 2007
Dec 4, 2007
Term ends
Mar 22, 2030
Mar 22, 2030
Granted
May 26, 2015
May 26, 2015
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
839
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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 839 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 4, 2007, when application 11/950,410, the earliest non-provisional in its chain, was filed (this one was filed Aug 18, 2011) | Dec 4, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +839 days, USPTO patent term adjustment record | Mar 22, 2030 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 22, 2030 | High confidence |
This family
| US 8,028,094 | In force Oct 2028 | Oct 2028 |
| US 9,043,523 | this patent Mar 2030 | Mar 2030 |
| US 9,743,126 | In force Aug 2028 | Aug 2028 |
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 |
|---|---|---|---|
| Jul 18, 2016 Reel 39380, frame 479 | ViXS Systems Inc. | Comerica Bank | Security Interest |
| Jul 6, 2023 Reel 64224, frame 885 | Comerica Bank | ViXS Systems, Inc. | Release of Security Interest |
| Jul 17, 2023 Reel 64281, frame 182 | Sahdra, Kuldip; Stewart, Norman; Huang, Shijun (Dominic); Tong, Mang Lun (Alan); Leung, Lewis | ViXS Systems, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2030
Term ends Mar 22, 2030. Maintenance fees still fall due before then
Note
The 839 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
11
later US patents cite this one
That is above the median of utility patents granted in 2015 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.