Term ends Feb 12, 2039 · High confidence
20-year base term ends Aug 2, 2038
Held by Plug Power Inc.
Filed Aug 2, 2018 as application 16/053,680 · Granted Jun 20, 2023
Base term plus 194 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Aug 2, 2018
Aug 2, 2018
Term ends
Feb 12, 2039
Feb 12, 2039
Granted
Jun 20, 2023
Jun 20, 2023
base term
patent term adjustment
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
194
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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 194 days past its 20-year base term on prosecution delay. 0 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 2, 2018, when this application, 16/053,680, was filed | Aug 2, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +194 days, USPTO patent term adjustment record | Feb 12, 2039 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 12, 2039 | High confidence |
This family
| US 11,679,339 | this patent Feb 2039 | Feb 2039 |
| Application PCT/US2019/037074 | PCT application no patent term | no patent term |
| Application 18/315,132 | Pending not computed | not computed |
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 18, 2018 Reel 46904, frame 143 | Van De Mortel, Adam | Applied Cryo Technologies, Inc. | Assignment of Assignor's Interest |
| Feb 24, 2022 Reel 59096, frame 449 | Applied Cryo Technologies, Inc. | Generate PPL SPV I, LLC | Security Interest |
| Apr 29, 2022 Reel 59716, frame 208 | Applied Cryo Technologies, Inc. | Plug Power Inc. | Assignment of Assignor's Interest |
| Sep 28, 2023 Reel 65058, frame 437 | Applied Cryo Technologies, Inc. | Plug Power Inc. | Assignment of Assignor's Interest |
| Apr 28, 2025 Reel 71084, frame 264 | Plug Power Inc.; Applied Cryo Technologies, Inc.; Plug Power Hydrogen Holdings, Inc.; United Hydrogen Group Inc.; Alloy Custom Products, LLC; Joule Processing LLC; Peachtree Renewables, LLC; Plug Project Holding Co., LLC; Hypulsion U.S. Holding, Inc. | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Security Interest |
| Nov 25, 2025 Reel 73036, frame 448 | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Plug Power, Inc.; Plug Power Hydrogen Holdings, Inc.; United Hydrogen Group Inc.; Plug Project Holding Co., LLC; Peachtree Renewables, LLC; Joule Processing LLC; Applied Cryo Technologies, Inc.; Alloy Custom Products, LLC; Hypulsion U.S. Holding, Inc. | Release of Security Interest |
| Nov 25, 2025 reel/frame not recorded | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Plug Power, Inc. | Release of Security Interest |
| Nov 25, 2025 reel/frame not recorded | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Plug Power Hydrogen Holdings, Inc. | Release of Security Interest |
| Nov 25, 2025 reel/frame not recorded | Ya II PN, Ltd., in Its Capacity as Collateral Agent | United Hydrogen Group Inc. | Release of Security Interest |
| Nov 25, 2025 reel/frame not recorded | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Plug Project Holding Co., LLC | Release of Security Interest |
| Nov 25, 2025 reel/frame not recorded | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Peachtree Renewables, LLC | Release of Security Interest |
| Nov 25, 2025 reel/frame not recorded | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Joule Processing LLC | Release of Security Interest |
| Nov 25, 2025 reel/frame not recorded | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Applied Cryo Technologies, Inc. | Release of Security Interest |
| Nov 25, 2025 reel/frame not recorded | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Alloy Custom Products, LLC | Release of Security Interest |
| Nov 25, 2025 reel/frame not recorded | Ya II PN, Ltd., in Its Capacity as Collateral Agent | Hypulsion U.S. Holding, 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
Feb 2039
Term ends Feb 12, 2039. Maintenance fees still fall due before then
Note
The 194 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is top 10% of utility patents granted in 2023 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.