Term ends Jun 8, 2027 · High confidence
20-year base term ended Mar 17, 2026
Filed Mar 17, 2006 as application 11/384,023 · Granted Feb 10, 2009
Base term plus 448 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Mar 17, 2006
Mar 17, 2006
Term ends
Jun 8, 2027
Jun 8, 2027
Granted
Feb 10, 2009
Feb 10, 2009
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
448
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.
4
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 448 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 Mar 17, 2006, when this application, 11/384,023, was filed | Mar 17, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +448 days, USPTO patent term adjustment record | Jun 8, 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 | Jun 8, 2027 | High confidence |
This family
| US 7,488,848 | this patent Jun 2027 | Jun 2027 |
| US 7,696,250 | Term ended Mar 2026 | Mar 2026 |
| US 8,013,183 | Term ended Mar 2026 | Mar 2026 |
| US 8,450,373 | Term ended no later than Mar 2026 | no later than Mar 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 |
|---|---|---|---|
| Oct 6, 2006 Reel 18363, frame 68 | Graupe, Michael; Link, John O.; Roepel, Michael G. | Schering Aktiengesellschaft | Assignment of Assignor's Interest |
| Oct 10, 2006 Reel 18371, frame 876 | Graupe, Michael; Link, John O.; Roepel, Michael G. | Axys Pharmaceuticals, Inc. | Corrective Assignment to Correct the Assignee Previously Recorded on Reel 018363 Frame 0068. Assignor(S) Hereby Confirms the Assignee from Schering Aktiengesellschaft to Axys Pharmaceuticals, Inc.. |
| Oct 13, 2006 Reel 18390, frame 909 | Graupe, Michael; Link, John O.; Roepel, Michael G. | Applera Corporation | Corrective Assignment to Correct the Assignee Previously Recorded on Reel 018371 Frame 0876. Assignor(S) Hereby Confirms the Assignee from Axys Pharmaceuticals, Inc. to Applera Corporation.. |
| Nov 30, 2006 Reel 18569, frame 162 | Applera Corporation | Schering Aktiengesellschaft | Assignment of Assignor's Interest |
| Jan 22, 2008 Reel 20397, frame 830 | Schering Aktiengesellschaft | Bayer Schering Pharma Aktiengesellschaft | Change of Name |
| Feb 6, 2008 Reel 20472, frame 892 | Bayer Schering Pharma Aktiengesellschaft | Celera Genomics Group | Assignment of Assignor's Interest |
| Feb 29, 2008 Reel 20581, frame 484 | Celera Genomics Group | Virobay, Inc. | Assignment of Assignor's Interest |
| Feb 26, 2010 Reel 23994, frame 538 | Applera Corporation | Applied Biosystems Inc. | Change of Name |
| Feb 26, 2010 Reel 23994, frame 587 | Applied Biosystems Inc. | Applied Biosystems, LLC | Merger |
| Mar 11, 2016 Reel 37959, frame 152 | Virobay, Inc. | Quest Diagnostics Investments LLC | 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
Jun 2027
Term ends Jun 8, 2027. No further fees fall due before then
Note
The 448 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.