Term ends Dec 29, 2028 · High confidence
20-year base term ends Nov 20, 2026
Held by Nvidia Corporation
Filed Nov 20, 2006 as application 11/602,729 · Granted Jul 26, 2011
Base term plus 770 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Nov 20, 2006
Nov 20, 2006
Term ends
Dec 29, 2028
Dec 29, 2028
Granted
Jul 26, 2011
Jul 26, 2011
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
770
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.
5
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 770 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 Nov 20, 2006, when this application, 11/602,729, was filed | Nov 20, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +770 days, USPTO patent term adjustment record | Dec 29, 2028 | 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 | Dec 29, 2028 | High confidence |
This family
| US 7,986,712 | this patent Dec 2028 | Dec 2028 |
| US 8,428,083 | In force Nov 2026 | Nov 2026 |
| US 8,428,082 | In force Nov 2026 | Nov 2026 |
| US 8,428,084 | In force Nov 2026 | Nov 2026 |
| US 8,428,085 | In force Nov 2026 | Nov 2026 |
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 |
|---|---|---|---|
| Mar 15, 2007 Reel 19017, frame 300 | Ponnampalam, Vishakan; Darwood, Peter Bruce | Ipwireless, Inc. | Assignment of Assignor's Interest |
| Jan 21, 2009 Reel 22126, frame 215 | Ipwireless, Inc.; Ipwireless U.K. Limited; Ipw Parent Holdings Inc.; Ipw Holdings, Inc.; Ipwireless Pte Limited | Northrop Grumman Information Technology, Inc. | Security Agreement |
| Apr 14, 2010 Reel 24233, frame 65 | Ipwireless, Inc.; Ipwireless U.K. Limited; Ipw Holdings, Inc.; Ipwireless Pte Limited | Northrop Grumman Information Technology, Inc. Now Known as Northrop Grumman Systems Corporation by Reason of Merger | Amended and Restated Patent Security Agreeement |
| Apr 29, 2010 Reel 24305, frame 231 | Northrop Grumman Systems Corporation (Successor by Merger to Northrop Grumman Information Technology, Inc.) | Ipwireless, Inc. | Release of Security Interest |
| Feb 16, 2012 Reel 27727, frame 75 | Ipwireless, Inc. | Square 1 Bank | Security Agreement |
| May 23, 2012 Reel 28260, frame 218 | IP Wireless, Inc.; VC Worldwide Ltd. | Nvidia Corporation | Patent Purchase Agreement |
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
Dec 2028
Term ends Dec 29, 2028. No further fees fall due before then
Note
The 770 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
24
later US patents cite this one
That is top 25% of utility patents granted in 2011 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.