Term ends Jan 9, 2032 · High confidence
20-year base term ends Jan 9, 2032
Held by Eht Ventures LLC
Filed Feb 17, 2017 as application 15/435,300 · Granted Aug 20, 2019
Base term plus 3 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2012
2032
Clock starts
Jan 9, 2012
Jan 9, 2012
Term ends
Jan 9, 2032
Jan 9, 2032
Granted
Aug 20, 2019
Aug 20, 2019
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
3
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,963,377, US 9,601,283.
1 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 runs 3 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 maintenance fees is 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 Jan 9, 2012, when application 13/345,906, the earliest non-provisional in its chain, was filed (this one was filed Feb 17, 2017) | Jan 9, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +3 days, USPTO patent term adjustment record | Jan 12, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,963,377, US 9,601,283) | capped to Jan 9, 2032 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 9, 2032 | High confidence |
This family
| US 8,963,377 | In force Aug 2033 | Aug 2033 |
| US 9,601,283 | In force Jan 2032 | Jan 2032 |
| US 10,389,345 | this patent Jan 2032 | Jan 2032 |
| US 11,095,280 | In force Jan 2032 | Jan 2032 |
| US 11,979,141 | In force Jan 2032 | Jan 2032 |
| US 12,726,191 | In force Jan 2032 | Jan 2032 |
| Application 19/735,487 | 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 |
|---|---|---|---|
| Feb 17, 2017 Reel 41741, frame 440 | Ziemba, Timothy; Miller, Kenneth E.; Carscadden, John G.; Prager, James | Eagle Harbor Technologies, Inc. | Assignment of Assignor's Interest |
| Oct 17, 2023 Reel 65259, frame 258 | Eagle Harbor Technologies, Inc. | Eht Ventures LLC | Assignment of Assignor's 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.
What's changing
Jan 2032
Term ends Jan 9, 2032. Maintenance fees still fall due before then
Note
The 3 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,963,377, US 9,601,283.
Citations
75
later US patents cite this one
That is top 5% 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.