Term ends May 5, 2033 · Medium confidence
20-year base term ends Feb 6, 2033
Why Medium: A parent in the chain could not be resolved.
Held by Uplight, Inc.
Filed Aug 9, 2016 as application 15/232,659 · Granted May 7, 2019
Base term plus 88 days of patent term adjustment (USPTO delay)
Today
2013
2033
Clock starts
Feb 6, 2013
Feb 6, 2013
Term ends
May 5, 2033
May 5, 2033
Granted
May 7, 2019
May 7, 2019
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
88
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
6
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 88 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Feb 6, 2013, when application 13/761,119, the earliest non-provisional in its chain, was filed (this one was filed Aug 9, 2016); a parent in its chain could not be resolved (the next row) | Feb 6, 2033 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +88 days, USPTO patent term adjustment record | May 5, 2033 | 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 | May 5, 2033 | Medium confidence |
This family
| US 9,423,779 | In force Jul 2034 | Jul 2034 |
| US 10,281,895 | this patent May 2033 | May 2033 |
| US 10,782,666 | In force Apr 2033 | Apr 2033 |
| US 11,327,457 | In force Feb 2033 | Feb 2033 |
| US 11,720,075 | In force Feb 2033 | Feb 2033 |
| US 12,019,423 | In force no later than Feb 2033 | no later than Feb 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 |
|---|---|---|---|
| Oct 3, 2017 Reel 43765, frame 442 | Agarwal, Ashish | Tendril Networks, Inc. | Assignment of Assignor's Interest |
| Feb 9, 2018 Reel 45297, frame 761 | Tendril Networks, Inc. | Eicf Agent LLC | Security Agreement |
| Nov 5, 2018 Reel 47414, frame 724 | Tendril Networks, Inc. | Tendril Ea, LLC | Assignment of Assignor's Interest |
| Nov 30, 2018 Reel 47645, frame 764 | Eicf Agent LLC | Tendril Networks, Inc. | Release of Security Interest |
| Dec 4, 2018 Reel 47666, frame 510 | Eicf Agent LLC | Tendril Networks, Inc. | Release of Security Interest |
| Jun 11, 2019 Reel 49436, frame 401 | Tendril Ea, LLC; Tendril Oe, LLC; Energysavvy Inc. | Wells Fargo Bank, National Association, as Administrative Agent | Security Interest |
| Aug 20, 2019 Reel 50110, frame 584 | Tendril Networks, Inc. | Uplight, Inc. | Change of Name |
| Jul 2, 2024 Reel 67894, frame 622 | Wells Fargo Bank, National Association | Tendril Ea, LLC; Tendril Oe, LLC; Energysavvy Inc. | Release of Security Interest |
| Jul 2, 2024 reel/frame not recorded | Wells Fargo Bank, National Association | Tendril Ea, LLC | Release of Security Interest |
| Jul 2, 2024 reel/frame not recorded | Wells Fargo Bank, National Association | Tendril Oe, LLC | Release of Security Interest |
| Jul 2, 2024 reel/frame not recorded | Wells Fargo Bank, National Association | Energysavvy Inc. | Release of Security Interest |
| Aug 5, 2024 Reel 68183, frame 935 | Uplight, Inc.; Tendril Intermediate Holdings, LLC; Tendril Midco, LLC; Tendril Ea, LLC; Tendril Oe, LLC; Energysavvy Inc.; Firstfuel Software, Inc.; Simple Energy, Inc.; Agentis, Inc.; Trafalgar Holdco LLC; Autogrid Systems, Inc.; Energy AI Systems Inc. | Midcap Funding IV Trust | Security Interest |
| Dec 31, 2024 Reel 69710, frame 657 | Tendril Ea, LLC | Uplight, Inc. | Assignment of Assignor's Interest |
| Sep 1, 2026 Reel 75870, frame 98 | Midcap Funding IV Trust | Uplight, Inc.; Tendril Intermediate Holdings, LLC; Tendril Midco, LLC; Tendril Ea, LLC; Tendril Oe, LLC; Energysavvy Inc.; Firstfuel Software, Inc.; Simple Energy, Inc.; Agentis, Inc.; Trafalgar Holdco LLC; Autogrid Systems, Inc.; Energy AI Systems Inc. | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Uplight, Inc. | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Tendril Intermediate Holdings, LLC | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Tendril Midco, LLC | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Tendril Ea, LLC | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Tendril Oe, LLC | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Energysavvy Inc. | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Firstfuel Software, Inc. | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Simple Energy, Inc. | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Agentis, Inc. | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Trafalgar Holdco LLC | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Autogrid Systems, Inc. | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | Midcap Funding IV Trust | Energy AI Systems Inc. | 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
May 2033
Term ends May 5, 2033. Maintenance fees still fall due before then
Note
The 88 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
21
later US patents cite this one
That is top 25% of utility patents granted in 2019 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.