Term ends Sep 30, 2027 · High confidence
20-year base term ended Sep 26, 2026
Held by Advanced Cluster Systems, Inc.
Filed May 16, 2007 as application 11/749,554 · Granted Mar 19, 2013
Base term plus 369 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Sep 26, 2006
Sep 26, 2006
Term ends
Sep 30, 2027
Sep 30, 2027
Granted
Mar 19, 2013
Mar 19, 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
369
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.
3
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 369 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 Sep 26, 2006, when application 11/527,319, the earliest non-provisional in its chain, was filed (this one was filed May 16, 2007) | Sep 26, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +369 days, USPTO patent term adjustment record | Sep 30, 2027 | 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 | Sep 30, 2027 | High confidence |
This family
| Application 11/527,319 | Abandoned not computed | not computed |
| US 8,402,080 | this patent Sep 2027 | Sep 2027 |
| US 8,849,889 | Term ended Sep 2026 | Sep 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 |
|---|---|---|---|
| Jul 16, 2007 Reel 19564, frame 836 | Tannenbaum, Ariela; Tannenbuam, Zvi; Minor, Bryan M.; Frjka, Tamas; Westerhoff, John M. | Advanced Cluster System, LLC | Assignment of Assignor's Interest |
| Aug 13, 2007 Reel 19687, frame 367 | Tannenbaum, Ariela; Tannenbaum, Zvi; Minor, Bryan M; Frajka, Tamas; Westerhoff, John M. | Advanced Cluster Systems, LLC | Corrective Assignment to Correct the Assignor Name Previously Recorded on Reel 019564 Frame 0836. Assignor(S) Hereby Confirms the Assignment. |
| Oct 27, 2011 Reel 27136, frame 748 | Advanced Cluster Systems, LLC | Advanced Cluster Systems, Inc. | Merger |
| Oct 27, 2011 Reel 27136, frame 52 | Dauger, Dean, DR. | Advanced Cluster Systems, Inc. | Assignment of Assignor's Interest |
| Oct 27, 2011 Reel 27136, frame 71 | Dauger Research, Inc. | Advanced Cluster Systems, Inc. | 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
Sep 2027
Term ends Sep 30, 2027. No further fees fall due before then
Note
The 369 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
17
later US patents cite this one
That is above the median 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.