Collateral for a security interest recorded Jun 5, 2025 (Crystal Financial LLC D/B/A SLR Credit Solutions).
Term ends Mar 14, 2033 · High confidence
20-year base term ends Mar 14, 2033
Held by Emcore LLC
Filed Apr 4, 2016 as application 15/090,565 · Granted Feb 7, 2017
Base term, 20 years from filing
Today
2013
2033
Clock starts
Mar 14, 2013
Mar 14, 2013
Term ends
Mar 14, 2033
Mar 14, 2033
Granted
Feb 7, 2017
Feb 7, 2017
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
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. 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 Mar 14, 2013, when application 13/831,334, the earliest non-provisional in its chain, was filed (this one was filed Apr 4, 2016) | Mar 14, 2033 | 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 | Mar 14, 2033 | High confidence |
This family
| US 9,059,801 | In force Jul 2033 | Jul 2033 |
| US 9,306,672 | In force no later than Mar 2033 | no later than Mar 2033 |
| US 9,306,372 | In force Mar 2033 | Mar 2033 |
| US 9,438,007 | In force Mar 2033 | Mar 2033 |
| Application PCT/US2015/050161 | PCT application no patent term | no patent term |
| US 9,564,734 | In force Mar 2033 | Mar 2033 |
| US 9,564,733 | this patent Mar 2033 | Mar 2033 |
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 |
|---|---|---|---|
| Apr 21, 2016 Reel 38339, frame 36 | Blauvelt, Henry A.; He, Xiaoguang; Vahala, Kerry | Emcore Corporation | Assignment of Assignor's Interest |
| Aug 23, 2022 Reel 61300, frame 129 | Emcore Corporation | Wingspire Capital LLC | Security Interest |
| May 22, 2025 Reel 71352, frame 537 | Emcore Corporation | Emcore LLC | Entity Conversion |
| Jun 5, 2025 Reel 71520, frame 457 | Emcore LLC (F/K/A Emcore Corporation); Cartridge Actuated Devices, Inc. | Crystal Financial LLC D/B/A SLR Credit Solutions, as Administrative Agent | Security Interest |
| Aug 25, 2025 Reel 72106, frame 561 | Wingspire Capital LLC | Emcore 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2033
Term ends Mar 14, 2033. Maintenance fees still fall due before then
Citations
10
later US patents cite this one
That is above the median of utility patents granted in 2017 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.