Lapsed Mar 9, 2016 on the fee record · High confidence
20-year base term ended Sep 18, 2021
Third maintenance fee unpaid; grace period ended.
Filed Sep 18, 2001 as application 09/956,479 · Granted Mar 9, 2004
Base term, 20 years from filing, plus 197 days of patent term adjustment (USPTO delay)
Today
Lapsed Mar 9, 2016
2001
2026
Clock starts
Sep 18, 2001
Sep 18, 2001
No longer in force
Mar 9, 2016
Mar 9, 2016
Granted
Mar 9, 2004
Mar 9, 2004
Term would have run to
Apr 3, 2022
Apr 3, 2022
base term
patent term adjustment
after the term ends
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
197
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.
43
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Apr 3, 2022: its 20-year base term plus 197 days of term adjustment for prosecution delay. 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 Sep 18, 2001, when this application, 09/956,479, was filed | Sep 18, 2021 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +197 days, USPTO patent term adjustment record | Apr 3, 2022 | 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 | lapsed Mar 9, 2016 | High confidence |
| Computed term end | The steps above, in order | Mar 9, 2016 | High confidence |
This family
| Application 60/276,610 | Pending not computed | not computed |
| US 7,095,744 | Lapsed on the fee record Aug 2018 | Aug 2018 |
| US 7,088,731 | Term ended Jul 2023 | Jul 2023 |
| US 6,835,131 | Term ended Nov 2019 | Nov 2019 |
| US 6,704,372 | this patent Mar 2016 | Mar 2016 |
| US 7,388,930 | Lapsed on the fee record Jun 2020 | Jun 2020 |
| US 6,791,423 | Term ended Jan 2022 | Jan 2022 |
| US 7,353,004 | Term ended Jun 2022 | Jun 2022 |
8 of 43 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 |
|---|---|---|---|
| May 28, 2002 Reel 12947, frame 761 | Zhang, Weimin; Misko, Tim; Woodburn, Jeremy | Broadlogic Network Technologies, Inc. | Assignment of Assignor's Interest |
| Jun 28, 2013 Reel 30704, frame 725 | Broadlogic Network Technologies, Inc. | Broadcom Corporation | Assignment of Assignor's Interest |
| Feb 11, 2016 Reel 37806, frame 1 | Broadcom Corporation | Bank of America, N.A., as Collateral Agent | Patent Security Agreement |
| Feb 1, 2017 Reel 41706, frame 1 | Broadcom Corporation | Avago Technologies General IP (Singapore) Pte. Ltd. | Assignment of Assignor's Interest |
| Feb 3, 2017 Reel 41712, frame 1 | Bank of America, N.A., as Collateral Agent | Broadcom Corporation | Termination and Release of Security Interest in Patents |
| Oct 4, 2018 Reel 47195, frame 26 | Avago Technologies General IP (Singapore) Pte. Ltd. | Avago Technologies International Sales Pte. Limited | Merger |
| Nov 5, 2018 Reel 47477, frame 423 | Avago Technologies General IP (Singapore) Pte. Ltd. | Avago Technologies International Sales Pte. Limited | Corrective Assignment to Correct the Effective Date of Merger Previously Recorded on Reel 047195 Frame 0026. Assignor(S) Hereby Confirms the Merger. |
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
Note
The 197 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
26
later US patents cite this one
That is above the median of utility patents granted in 2004 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.