Collateral for a security interest recorded Nov 30, 2015 (Comerica Bank).
Lapsed Feb 26, 2025 on the fee record · Medium confidence
20-year base term ends Jun 23, 2030
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Third maintenance fee unpaid; grace period ended.
Held by Cooledge Lighting, Inc.
Filed Feb 29, 2012 as application 13/378,880 · Granted Feb 26, 2013
Base term, 20 years from filing
Today
Lapsed Feb 26, 2025
2010
2030
Clock starts
Jun 23, 2010
Jun 23, 2010
No longer in force
Feb 26, 2025
Feb 26, 2025
Granted
Feb 26, 2013
Feb 26, 2013
Term would have run to
Jun 23, 2030
Jun 23, 2030
base term
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
None
Term adjustment
No prosecution delay on this record.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
2 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.
12
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Jun 23, 2030: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. Confidence: Medium. 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 23, 2010, when application PCT/US2010/039684, the earliest non-provisional in its chain, was filed (this one was filed Feb 29, 2012) | Jun 23, 2030 | 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 | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Feb 26, 2025 | High confidence |
| Computed term end | The steps above, in order | Feb 26, 2025 | Medium confidence |
This family
| US 8,384,114 | this patent Feb 2025 | Feb 2025 |
| US 8,338,849 | Lapsed on the fee record Dec 2024 | Dec 2024 |
| US 8,921,134 | In force Jun 2030 | Jun 2030 |
| US 9,179,510 | In force (reinstated) Jun 2030 | Jun 2030 |
| US 9,431,462 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 9,559,150 | In force Jun 2030 | Jun 2030 |
| US 9,765,936 | In force Jun 2030 | Jun 2030 |
| US 9,966,414 | In force Jun 2030 | Jun 2030 |
8 of 12 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 |
|---|---|---|---|
| Feb 2, 2012 Reel 27643, frame 309 | Tischler, Michael A.; Odnoblyudov, Vladimir; Keogh, David | Pacific Tech Link LLC. | Assignment of Assignor's Interest |
| Oct 26, 2012 Reel 29196, frame 207 | Pacific Tech Link LLC | Cooledge Lighting, Inc. | Assignment of Assignor's Interest |
| Nov 30, 2015 Reel 37171, frame 512 | Cooledge Lighting Inc. | Comerica Bank | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Feb 26, 2025. We will not guess the cap.
Citations
160
later US patents cite this one
That is top 5% of utility patents granted in 2013 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.