Collateral for a security interest recorded Sep 29, 2017 (Branch Banking and Trust Company).
Term ended Apr 3, 2026 · High confidence
20-year base term ended Aug 24, 2025
Held by Applied Optoelectronics, Inc.
Filed May 13, 2008 as application 12/119,586 · Granted Feb 21, 2012
Base term plus 222 days of patent term adjustment (USPTO delay)
Today
Term ended Apr 3, 2026
2005
2026
Clock starts
Aug 24, 2005
Aug 24, 2005
Term ended
Apr 3, 2026
Apr 3, 2026
Granted
Feb 21, 2012
Feb 21, 2012
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
222
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.
3
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 222 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 Aug 24, 2005, when application 11/280,517, the earliest non-provisional in its chain, was filed (this one was filed May 13, 2008) | Aug 24, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +222 days, USPTO patent term adjustment record | Apr 3, 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 3, 2026 | High confidence |
This family
| US 7,583,719 | In force Nov 2026 | Nov 2026 |
| US 8,121,170 | this patent Apr 2026 | Apr 2026 |
| US 7,627,012 | Term ended Dec 2025 | Dec 2025 |
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 |
|---|---|---|---|
| May 13, 2008 Reel 20938, frame 628 | Makino, Toshihiko | Applied Optoelectronics, Inc. | Assignment of Assignor's Interest |
| May 4, 2010 Reel 24332, frame 828 | Applied Optoelectronics, Inc. | East West Bank, Successor in Interest to United Commercial Bank | Security Agreement |
| Jul 2, 2015 Reel 36047, frame 293 | Applied Optoelectronics, Inc. | East West Bank | Security Interest |
| Sep 29, 2017 Reel 44061, frame 812 | Applied Optoelectronics, Inc. | Branch Banking and Trust Company | Security Interest |
| Oct 5, 2017 Reel 43800, frame 480 | East West Bank, Successor in Interest to United Commercial Bank | Applied Optoelectronics Inc. | Release of Security Interest |
| Oct 5, 2017 Reel 44207, frame 573 | East West Bank | Applied Optoelectronics Inc. | Release of Security Interest |
| Nov 16, 2022 Reel 61952, frame 344 | Truist Bank (Formerly Known as Branch Banking and Trust Company)) | Applied Optoelectronics, Inc. | Release of Security Interest |
| Nov 28, 2022 Reel 62003, frame 523 | Applied Optoelectronics, Inc. | Cit Northbridge Credit LLC | Patent Security Agreement |
| Nov 20, 2023 Reel 65630, frame 906 | Cit Northbridge Credit LLC | Applied Optoelectronics, Inc. | Termination and Release of Security Interest in Patents |
| Aug 1, 2025 Reel 72338, frame 695 | Applied Optoelectronics, Inc. | Bokf, NA D/B/A Bok Financial | 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 222 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 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.