Term ends Dec 24, 2038 · High confidence
20-year base term ends Dec 24, 2038
Held by Vidaxio LLC
Filed Aug 25, 2021 as application 17/412,212 · Granted May 23, 2023
Base term, 20 years from filing
Today
2018
2038
Clock starts
Dec 24, 2018
Dec 24, 2018
Term ends
Dec 24, 2038
Dec 24, 2038
Granted
May 23, 2023
May 23, 2023
base term
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.
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.
5
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. 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 Dec 24, 2018, when application PCT/KR2018/016604, the earliest non-provisional in its chain, was filed (this one was filed Aug 25, 2021) | Dec 24, 2038 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 24, 2038 | High confidence |
This family
| US 11,140,384 | In force Dec 2038 | Dec 2038 |
| US 11,659,165 | this patent Dec 2038 | Dec 2038 |
| US 12,335,463 | In force Dec 2038 | Dec 2038 |
| Application 19/215,341 | Pending not computed | not computed |
4 of 5 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 |
|---|---|---|---|
| Jul 25, 2022 Reel 60601, frame 289 | Wilus Institute of Standards and Technology Inc. | Humax Co., Ltd. | Assignment of Assignor's Interest |
| Nov 29, 2022 Reel 61909, frame 701 | Ko, Geonjung; Son, Juhyung; Kim, Dongcheol; Jung, Jaehong; Kwak, Jinsam | Wilus Institute of Standards and Technology Inc.; Humax Co., Ltd. | Assignment of Assignor's Interest |
| Nov 29, 2022 reel/frame not recorded | Kwak, Jinsam; Jung, Jaehong; Kim, Dongcheol; Ko, Geonjung; Son, Juhyung | Wilus Institute of Standards and Technology Inc. | Assignment of Assignor's Interest |
| Nov 29, 2022 reel/frame not recorded | Kwak, Jinsam; Jung, Jaehong; Kim, Dongcheol; Ko, Geonjung; Son, Juhyung | Humax Co., Ltd. | Assignment of Assignor's Interest |
| Oct 29, 2025 Reel 73239, frame 166 | Humax Co., Ltd. | Advext IP LLC | Assignment of Assignor's Interest |
| Jan 13, 2026 Reel 74323, frame 501 | Advext IP LLC | Vidaxio LLC | Assignment of Assignor's Interest |
| May 26, 2026 Reel 75743, frame 1 | Humax Co., Ltd. | Advext IP LLC | Corrective Assignment to Correct the Record by Replacing the Previously Recorded Confidential Purchase Agreement Previously Recorded on Reel 73239 Frame 166. Assignor(S) Hereby Confirms the 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.
What's changing
Dec 2038
Term ends Dec 24, 2038. Maintenance fees still fall due before then
Citations
3
later US patents cite this one
That is top 25% 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.