Also listed on Sigma Designs, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 26, 2028 · High confidence
20-year base term ended Jan 23, 2026
Held by Sigma Designs Israel S.D.I Ltd.
Filed Jan 23, 2006 as application 11/337,946 · Granted Jun 1, 2010
Base term plus 854 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Jan 23, 2006
Jan 23, 2006
Term ends
May 26, 2028
May 26, 2028
Granted
Jun 1, 2010
Jun 1, 2010
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
854
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.
2
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 854 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 Jan 23, 2006, when this application, 11/337,946, was filed | Jan 23, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +854 days, USPTO patent term adjustment record | May 26, 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 | May 26, 2028 | High confidence |
This family
| US 7,729,372 | this patent May 2028 | May 2028 |
| US 8,089,901 | Term ended Jan 2026 | Jan 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 |
|---|---|---|---|
| Sep 12, 2006 Reel 18261, frame 569 | Chan, Wai Chung | Sharp Corporation | Assignment of Assignor's Interest |
| Sep 12, 2006 Reel 18261, frame 603 | Yonge, Lawrence W., III; Katar, Srinivas | Intellon Corporation | Assignment of Assignor's Interest |
| Sep 12, 2006 Reel 18261, frame 958 | Petranovich, James E.; Riedel, Neal K.; Peponides, George M. | Conexant Systems, Inc. | Assignment of Assignor's Interest |
| Feb 25, 2009 Reel 22305, frame 837 | Conexant Systems, Inc. | Coppergate Communications Ltd. | Assignment of Assignor's Interest |
| Mar 19, 2010 Reel 24103, frame 834 | Intellon Corporation | Atheros Powerline LLC | Merger |
| Mar 19, 2010 Reel 24103, frame 872 | Atheros Powerline LLC | Atheros Communications, Inc. | Assignment of Assignor's Interest |
| Jul 15, 2011 Reel 26596, frame 214 | Atheros Communications, Inc. | Qualcomm Atheros, Inc. | Merger |
| Jan 2, 2013 Reel 29555, frame 769 | Qualcomm Atheros, Inc. | Qualcomm Incorporated | Assignment of Assignor's Interest |
| Apr 26, 2013 Reel 30297, frame 956 | Coppergate Communications Ltd. | Sigma Designs Israel S.D.I Ltd. | Change of Name |
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
May 2028
Term ends May 26, 2028. No further fees fall due before then
Note
The 854 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
86
later US patents cite this one
That is top 10% of utility patents granted in 2010 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.