Term ends Mar 5, 2027 · High confidence
20-year base term ends Mar 5, 2027
Held by BX Led, LLC
Filed Sep 28, 2007 as application 11/906,146 · Granted Feb 8, 2011
Base term, 20 years from filing
Today
2007
2027
Clock starts
Mar 5, 2007
Mar 5, 2007
Term ends
Mar 5, 2027
Mar 5, 2027
Granted
Feb 8, 2011
Feb 8, 2011
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
7
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 is its 20-year base term, with no adjustment for 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 5, 2007, when application 11/714,464, the earliest non-provisional in its chain, was filed (this one was filed Sep 28, 2007) | Mar 5, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 (reinstated) | High confidence |
| Computed term end | The steps above, in order | Mar 5, 2027 | High confidence |
This family
| US 7,972,030 | In force Mar 2027 | Mar 2027 |
| US 7,883,226 | this patent Mar 2027 | Mar 2027 |
| Application PCT/US2008/002889 | PCT application no patent term | no patent term |
| Application PCT/US2008/060404 | PCT application no patent term | no patent term |
| US 8,376,580 | In force Mar 2027 | Mar 2027 |
| US 9,739,444 | In force Nov 2027 | Nov 2027 |
| Application 15/681,344 | Abandoned not computed | not computed |
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 6, 2008 Reel 20908, frame 127 | Li, Yi-qun | Intematix Corporation | Assignment of Assignor's Interest |
| Oct 27, 2015 Reel 36967, frame 623 | Intematix Hong Kong Co. Limited; Intematix Corporation | East West Bank | Security Interest |
| Jan 14, 2022 Reel 58666, frame 265 | Intematix Corporation | Bridgelux, Inc. | Assignment of Assignor's Interest |
| Feb 18, 2022 Reel 59048, frame 101 | Bridgelux, Inc. | BX Led, LLC | Assignment of Assignor's Interest |
| Apr 14, 2022 Reel 59910, frame 304 | East West Bank | Intematix Hong Kong Co. Limited; Intematix Corporation | Release of Security Interest |
| Apr 14, 2022 reel/frame not recorded | East West Bank | Intematix Hong Kong Co. Limited | Release of Security Interest |
| Apr 14, 2022 reel/frame not recorded | East West Bank | Intematix Corporation | Release of 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
Mar 2027
Term ends Mar 5, 2027. No further fees fall due before then
Citations
140
later US patents cite this one
That is top 5% of utility patents granted in 2011 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.