Term ended Jan 25, 2026 · High confidence
20-year base term ended Feb 10, 2025
Filed Jun 30, 2005 as application 11/173,465 · Granted Aug 5, 2008
Base term plus 349 days of patent term adjustment (USPTO delay)
Today
Term ended Jan 25, 2026
2005
2026
Clock starts
Feb 10, 2005
Feb 10, 2005
Term ended
Jan 25, 2026
Jan 25, 2026
Granted
Aug 5, 2008
Aug 5, 2008
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
349
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 349 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 10, 2005, when application 11/055,187, the earliest non-provisional in its chain, was filed (this one was filed Jun 30, 2005) | Feb 10, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +349 days, USPTO patent term adjustment record | Jan 25, 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 | Jan 25, 2026 | High confidence |
This family
| US 7,217,522 | Term ended Aug 2025 | Aug 2025 |
| US 7,407,757 | this patent Jan 2026 | Jan 2026 |
| US 7,393,665 | Term ended Oct 2025 | Oct 2025 |
| Application PCT/US2006/003688 | PCT application no patent term | no patent term |
| Application PCT/US2006/003689 | PCT application no patent term | no patent term |
| US 8,148,068 | Term ended Apr 2026 | Apr 2026 |
| US 8,168,385 | Term ended Feb 2025 | Feb 2025 |
| US 8,481,292 | In force Sep 2031 | Sep 2031 |
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 |
|---|---|---|---|
| Nov 30, 2005 Reel 17259, frame 120 | Brenner, Sydney | Compass Genetics, LLC | Assignment of Assignor's Interest |
| Apr 28, 2008 Reel 20867, frame 937 | Compass Genetics, LLC | Population Genetics Technologies Ltd. | Assignment of Assignor's Interest |
| Jun 27, 2019 Reel 49602, frame 54 | Population Genetics Technologies, Ltd. | Agency for Science, Technology and Research ("A*star") | 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
Note
The 349 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
504
later US patents cite this one
That is top 1% of utility patents granted in 2008 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.