Collateral for a security interest recorded Sep 30, 2024 (Ares Capital Corporation).
Term ended Apr 20, 2026 · High confidence
20-year base term ended Dec 4, 2023
Held by Black Duck Software, Inc.
Filed Dec 4, 2003 as application 10/728,174 · Granted Jun 23, 2009
Base term plus 868 days of patent term adjustment (USPTO delay)
Today
Term ended Apr 20, 2026
2003
2026
Clock starts
Dec 4, 2003
Dec 4, 2003
Term ended
Apr 20, 2026
Apr 20, 2026
Granted
Jun 23, 2009
Jun 23, 2009
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
868
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.
7
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 868 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Dec 4, 2003, when this application, 10/728,174, was filed | Dec 4, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +868 days, USPTO patent term adjustment record | Apr 20, 2026 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Apr 20, 2026 | High confidence |
This family
| US 8,700,533 | In force Apr 2029 | Apr 2029 |
| US 7,552,093 | this patent Apr 2026 | Apr 2026 |
| Application PCT/US2004/040453 | PCT application no patent term | no patent term |
| Application 11/326,806 | Abandoned not computed | not computed |
| Application PCT/US2007/000272 | PCT application no patent term | no patent term |
| US 9,489,687 | In force Sep 2028 | Sep 2028 |
| Application 14/169,949 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Dec 4, 2003 Reel 14764, frame 903 | Levin, Douglas Andrew; Pedersen, Palle M.; Shah, Ashesh C. | Black Duck Software, Inc. | Assignment of Assignor's Interest |
| Apr 2, 2018 Reel 45411, frame 114 | Black Duck Software, Inc. | Synopsys, Inc. | Assignment of Assignor's Interest |
| Feb 23, 2024 Reel 66664, frame 821 | Synopsys, Inc. | Software Integrity Group, Inc. | Assignment of Assignor's Interest |
| Jul 30, 2024 Reel 68191, frame 490 | Software Integrity Group, Inc. | Black Duck Software, Inc. | Change of Name |
| Sep 30, 2024 Reel 69083, frame 149 | Black Duck Software, Inc. | Ares Capital Corporation, As Collateral Agent | Security 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.
What's changing
Note
The 868 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
50
later US patents cite this one
That is top 25% of utility patents granted in 2009 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.