Also listed on Mordehai Margalit Holdings Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 3, 2037 · High confidence
20-year base term ends Jul 21, 2037
Held by R:gen Vision, Inc.
Filed Dec 13, 2022 as application 18/065,546 · Granted Jul 15, 2025
Base term plus 135 days of patent term adjustment (USPTO delay)
Today
2017
2037
Clock starts
Jul 21, 2017
Jul 21, 2017
Term ends
Dec 3, 2037
Dec 3, 2037
Granted
Jul 15, 2025
Jul 15, 2025
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
135
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,554,047, to Dec 3, 2037. The term already ends on or before that date, so the cap shortened nothing.
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 135 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jul 21, 2017, when application PCT/US2017/043387, the earliest non-provisional in its chain, was filed (this one was filed Dec 13, 2022) | Jul 21, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +135 days, USPTO patent term adjustment record | Dec 3, 2037 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,554,047) | resolves to Dec 3, 2037, no earlier than this term, so no change | 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 3, 2037 | High confidence |
This family
| Application PCT/US2017/043387 | PCT application no patent term | no patent term |
| US 11,554,047 | In force Jul 2038 | Jul 2038 |
| US 12,357,507 | this patent Dec 2037 | Dec 2037 |
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 2, 2025 Reel 72452, frame 200 | Margalit, Mordehai | Mordehai Margalit Holdings Ltd. | Assignment of Assignor's Interest |
| Oct 2, 2025 Reel 72452, frame 312 | Ban, Dayan | Invention Development Management Company, LLC | Assignment of Assignor's Interest |
| Oct 2, 2025 Reel 72452, frame 375 | Lee, Heechul | Lutronic Corporation | Assignment of Assignor's Interest |
| Oct 7, 2025 Reel 72495, frame 566 | Mordehai Margalit Holdings Ltd. | Invention Development Management Company, LLC | Assignment of Assignor's Interest |
| Oct 7, 2025 Reel 72495, frame 649 | Lutronic Corporation | Invention Development Management Company, LLC | Assignment of Assignor's Interest |
| Oct 7, 2025 Reel 72495, frame 803 | Xinova LLC | Lutronic Vision Inc. | Assignment of Assignor's Interest |
| Oct 7, 2025 Reel 72495, frame 903 | Lutronic Vision Inc. | R:gen Vision, Inc. | Assignment of Assignor's Interest |
| Oct 7, 2025 Reel 73025, frame 542 | Invention Development Management Company, LLC | Xinova, LLC | Change of Name |
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 2037
Term ends Dec 3, 2037. Maintenance fees still fall due before then
Note
The 135 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,554,047, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.