Term ended Mar 6, 2026 · High confidence
20-year base term ended Feb 21, 2026
Held by Abraxis Bioscience, LLC
Filed Oct 6, 2006 as application 11/544,242 · Granted Sep 4, 2012
Base term plus 13 days of patent term adjustment (USPTO delay)
Today
Term ended Mar 6, 2026
2006
2026
Clock starts
Feb 21, 2006
Feb 21, 2006
Term ended
Mar 6, 2026
Mar 6, 2026
Granted
Sep 4, 2012
Sep 4, 2012
base term
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
13
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.
19
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 13 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 Feb 21, 2006, when application 11/359,286, the earliest non-provisional in its chain, was filed (this one was filed Oct 6, 2006) | Feb 21, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +13 days, USPTO patent term adjustment record | Mar 6, 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 | Mar 6, 2026 | High confidence |
This family
| US 8,034,375 | Term ended Aug 2026 | Aug 2026 |
| US 8,257,733 | this patent Mar 2026 | Mar 2026 |
| Application 11/594,417 | Abandoned not computed | not computed |
| US 7,780,984 | Term ended Feb 2026 | Feb 2026 |
| Application PCT/US2007/023446 | PCT application no patent term | no patent term |
| US 7,758,891 | Term ended Feb 2026 | Feb 2026 |
| US 8,735,394 | In force Aug 2027 | Aug 2027 |
| Application 12/513,843 | Abandoned not computed | not computed |
8 of 19 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 |
|---|---|---|---|
| Apr 17, 2007 Reel 19173, frame 746 | Desai, Neil P.; Soon-shiong, Patrick; De, Tapas K. | Abraxis Bioscience, Inc. | Assignment of Assignor's Interest |
| Feb 24, 2009 Reel 22305, frame 312 | Abraxis Bioscience, Inc. | Abraxis Bioscience, LLC | 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 13 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
87
later US patents cite this one
That is top 10% of utility patents granted in 2012 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.