Term ends Aug 17, 2028 · High confidence
20-year base term ended Aug 11, 2026
Held by Intellectual Ventures II LLC
Filed Aug 11, 2006 as application 11/502,929 · Granted Sep 10, 2013
Base term plus 737 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Aug 11, 2006
Aug 11, 2006
Term ends
Aug 17, 2028
Aug 17, 2028
Granted
Sep 10, 2013
Sep 10, 2013
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
737
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.
9
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 737 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 Aug 11, 2006, when this application, 11/502,929, was filed | Aug 11, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +737 days, USPTO patent term adjustment record | Aug 17, 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 | Aug 17, 2028 | High confidence |
This family
| US 8,532,653 | this patent Aug 2028 | Aug 2028 |
| US 9,319,930 | In force Dec 2026 | Dec 2026 |
| US 10,064,092 | Term ended Aug 2026 | Aug 2026 |
| Application 16/113,446 | Abandoned not computed | not computed |
| US 11,096,085 | Term ended Aug 2026 | Aug 2026 |
| US 11,470,503 | Term ended Aug 2026 | Aug 2026 |
| US 11,700,544 | Term ended Aug 2026 | Aug 2026 |
| US 12,069,511 | Term ended no later than Aug 2026 | no later than Aug 2026 |
8 of 9 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Oct 25, 2006 Reel 18436, frame 411 | Zisimopoulos, Haris; Worrall, Chandrika K.; Jones, Alan Edward | 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 8, 2012 Reel 28175, frame 237 | Ipwireless, Inc. | Intellectual Ventures Holding 81 LLC | Assignment of Assignor's Interest |
| Jun 21, 2012 Reel 28421, frame 393 | Square 1 Bank | Ipwireless, Inc. | Release of Security Interest |
| Feb 11, 2016 Reel 37711, frame 72 | Intellectual Ventures Holding 81 LLC | Intellectual Ventures II 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
Aug 2028
Term ends Aug 17, 2028. No further fees fall due before then
Note
The 737 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
25
later US patents cite this one
That is top 25% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.