Term ends Sep 8, 2030 · High confidence
20-year base term ends Jun 16, 2028
Filed Jun 16, 2008 as application 12/139,883 · Granted Aug 7, 2012
Base term plus 814 days of patent term adjustment (USPTO delay)
Today
2008
2030
Clock starts
Jun 16, 2008
Jun 16, 2008
Term ends
Sep 8, 2030
Sep 8, 2030
Granted
Aug 7, 2012
Aug 7, 2012
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
814
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.
31
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 814 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 Jun 16, 2008, when this application, 12/139,883, was filed | Jun 16, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +814 days, USPTO patent term adjustment record | Sep 8, 2030 | 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 8, 2030 | High confidence |
This family
| US 8,236,154 | this patent Sep 2030 | Sep 2030 |
| Application 12/277,772 | Abandoned not computed | not computed |
| Application 12/358,938 | Abandoned not computed | not computed |
| US 9,448,116 | In force Mar 2032 | Mar 2032 |
| US 8,744,222 | In force Feb 2032 | Feb 2032 |
| Application PCT/US2012/034525 | PCT application no patent term | no patent term |
| US 9,649,323 | In force Jan 2035 | Jan 2035 |
| Application PCT/US2012/053050 | PCT application no patent term | no patent term |
8 of 31 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 |
|---|---|---|---|
| Jun 19, 2008 Reel 21120, frame 787 | Chen, Sz-hau; Lin, Chih-sheng; Chen, Guan-tin; Lin, Yueh-hui; Shen, Thomas Y.s. | Apex Biotechnology Corp. | Assignment of Assignor's Interest |
| Jan 21, 2009 Reel 22133, frame 969 | Apex Biotechnology Corp. | National Chiao Tung University | Assignment of Assignor's Interest |
| Sep 26, 2012 Reel 29053, frame 717 | Apex Biotechnology Corp. | Apex Biotechnology Corp.; National Chiao Tung University | Corrective Assignment to Correct the Assignee Is Both Apex Biotechnology Corp. and National Chiao Tung University. Previously Recorded on Reel 022133 Frame 0969. Assignor(S) Hereby Confirms the the Assignment of the Entire Interest.. |
| Sep 26, 2012 reel/frame not recorded | Apex Biotechnology Corp. | Apex Biotechnology Corp. | Corrective Assignment to Correct the Assignee Is Both Apex Biotechnology Corp. and National Chiao Tung University. Previously Recorded on Reel 022133 Frame 0969. Assignor(S) Hereby Confirms the the Assignment of the Entire Interest.. |
| Sep 26, 2012 reel/frame not recorded | Apex Biotechnology Corp. | National Chiao Tung University | Corrective Assignment to Correct the Assignee Is Both Apex Biotechnology Corp. and National Chiao Tung University. Previously Recorded on Reel 022133 Frame 0969. Assignor(S) Hereby Confirms the the Assignment of the Entire Interest.. |
| May 30, 2022 Reel 60218, frame 451 | National Chiao Tung University | National Yang Ming Chiao Tung University | 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
Sep 2030
Term ends Sep 8, 2030. No further fees fall due before then
Note
The 814 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
20
later US patents cite this one
That is above the median 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.