Also listed on Soapstone Networks Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 16, 2028 · Medium confidence
20-year base term ended Feb 6, 2024
Why Medium: A parent in the chain could not be resolved.
Filed Nov 19, 2004 as application 10/993,978 · Granted May 18, 2010
Base term plus 1500 days of patent term adjustment (USPTO delay)
Today
2004
2028
Clock starts
Feb 6, 2004
Feb 6, 2004
Term ends
Mar 16, 2028
Mar 16, 2028
Granted
May 18, 2010
May 18, 2010
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
1,500
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.
6
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 1500 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 Feb 6, 2004, when application 10/774,069, the earliest non-provisional in its chain, was filed (this one was filed Nov 19, 2004); a parent in its chain could not be resolved (the next row) | Feb 6, 2024 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +1500 days, USPTO patent term adjustment record | Mar 16, 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 | Mar 16, 2028 | Medium confidence |
This family
| Application 10/774,069 | Abandoned not computed | not computed |
| US 7,830,786 | In force Apr 2027 | Apr 2027 |
| US 7,719,960 | this patent Mar 2028 | Mar 2028 |
| US 9,013,976 | Term ended Jan 2026 | Jan 2026 |
| US 9,584,404 | Term ended Feb 2024 | Feb 2024 |
5 of 6 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 |
|---|---|---|---|
| Nov 19, 2004 Reel 16017, frame 948 | Atlas, Alia Karin; Torvi, Raveendra | Avici Systems, Inc. | Assignment of Assignor's Interest |
| Apr 24, 2008 Reel 20859, frame 789 | Avici Systems Inc. | Soapstone Networks Inc. | Change of Name |
| Sep 29, 2009 Reel 23292, frame 480 | Soapstone Networks, Inc. | Futurewei Technologies, Inc., Dba Huawei Technologies (USA) | 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 2028
Term ends Mar 16, 2028. No further fees fall due before then
Note
The 1500 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
186
later US patents cite this one
That is top 5% 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.