Term ends Aug 16, 2031 · High confidence
20-year base term ends Aug 16, 2031
Held by Korrus, Inc.
Filed Aug 16, 2011 as application 13/211,145 · Granted Mar 22, 2016
Base term, 20 years from filing
Today
2011
2031
Clock starts
Aug 16, 2011
Aug 16, 2011
Term ends
Aug 16, 2031
Aug 16, 2031
Granted
Mar 22, 2016
Mar 22, 2016
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.
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.
49
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. 2 of 3 maintenance fees are paid so far. 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 16, 2011, when this application, 13/211,145, was filed | Aug 16, 2031 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 16, 2031 | High confidence |
This family
| Application PCT/US2010/049531 | PCT application no patent term | no patent term |
| US 8,502,465 | Lapsed on the fee record Aug 2025 | Aug 2025 |
| US 9,293,667 | this patent Aug 2031 | Aug 2031 |
| Application 13/480,767 | Abandoned not computed | not computed |
| US 9,310,052 | In force Nov 2033 | Nov 2033 |
| Application 13/886,547 | Abandoned not computed | not computed |
| US 9,360,190 | In force Feb 2034 | Feb 2034 |
| US 8,888,332 | In force Jun 2033 | Jun 2033 |
8 of 49 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 |
|---|---|---|---|
| Sep 23, 2011 Reel 26962, frame 196 | David, Aurelien J. F.; Trottier, Troy; Steranka, Frank M.; Krames, Michael R. | Soraa, Inc. | Assignment of Assignor's Interest |
| Jan 31, 2014 Reel 32148, frame 851 | Soraa, Inc. | Bridge Bank, National Association | Security Agreement |
| Aug 29, 2014 Reel 33664, frame 560 | Bridge Bank, National Association | Soraa, Inc. | Release of Security Interest in Intellectual Property Collateral at Reel/Frame No. 32148/0851 |
| Sep 5, 2014 Reel 33691, frame 582 | Soraa, Inc. | Special Value Continuation Partners, LP; Tennenbaum Opportunities Partners V, LP; TCPC SBIC, LP | Security Interest |
| Sep 5, 2014 reel/frame not recorded | Soraa, Inc. | Special Value Continuation Partners, LP | Security Interest |
| Sep 5, 2014 reel/frame not recorded | Soraa, Inc. | Tennenbaum Opportunities Partners V, LP | Security Interest |
| Sep 5, 2014 reel/frame not recorded | Soraa, Inc. | TCPC SBIC, LP | Security Interest |
| Feb 14, 2020 Reel 51821, frame 300 | David, Aurelien J.f; Chakraborty, Arpan; Krames, Michael Ragan; Trottier, Troy | Soraa, Inc. | Assignment of Assignor's Interest |
| Feb 20, 2020 Reel 51974, frame 413 | Special Value Continuation Partners, LP; Tennenbaum Opportunities Partners V, LP; TCPC SBIC, LP; El Dorado Investment Company; Tennebaum Capital Partners, LLC | Soraa, Inc. | Release of Security Interest |
| May 21, 2020 Reel 52725, frame 22 | Soraa, Inc. | Ecosense Lighting, Inc. | Assignment of Assignor's Interest |
| Feb 21, 2022 Reel 59239, frame 614 | Ecosense Lighting Inc. | Korrus, Inc. | Nunc Pro Tunc Assignment |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Aug 2031
Term ends Aug 16, 2031. Maintenance fees still fall due before then
Citations
103
later US patents cite this one
That is top 5% of utility patents granted in 2016 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.