Term ends Apr 23, 2032 · High confidence
20-year base term ends Sep 12, 2031
Held by ABL IP Holding LLC
Filed Sep 12, 2011 as application 13/230,537 · Granted Apr 29, 2014
Base term plus 224 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Sep 12, 2011
Sep 12, 2011
Term ends
Apr 23, 2032
Apr 23, 2032
Granted
Apr 29, 2014
Apr 29, 2014
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
224
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 224 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 Sep 12, 2011, when this application, 13/230,537, was filed | Sep 12, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +224 days, USPTO patent term adjustment record | Apr 23, 2032 | 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 | Apr 23, 2032 | High confidence |
This family
| US 8,710,754 | this patent Apr 2032 | Apr 2032 |
| Application PCT/US2012/054838 | PCT application no patent term | no patent term |
| US 9,544,969 | In force Sep 2031 | Sep 2031 |
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 22, 2012 Reel 28424, frame 501 | Baddela, Srinivasa M.; Serra, John G.; Gielniewski, Michael Z. | Juno Manufacturing, LLC | Assignment of Assignor's Interest |
| Mar 28, 2016 Reel 38274, frame 622 | Juno Manufacturing, LLC | Juno Lighting, LLC | Merger |
| Mar 28, 2016 Reel 38274, frame 804 | Juno Lighting, LLC | Acuity Brands Lighting, Inc. | Merger |
| Jun 16, 2016 Reel 39050, frame 936 | Acuity Brands Lighting, Inc. | ABL IP Holding 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
Apr 2032
Term ends Apr 23, 2032. No further fees fall due before then
Note
The 224 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
122
later US patents cite this one
That is top 5% of utility patents granted in 2014 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.