Also listed on Biofrontera Bioscience GmbH, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 8, 2043 · High confidence
20-year base term ends Dec 8, 2043
Held by Biofrontera, Inc.
Filed Dec 8, 2023 as application 18/533,521 · Granted Sep 9, 2025
Base term, 20 years from filing
Today
2023
2043
Clock starts
Dec 8, 2023
Dec 8, 2023
Term ends
Dec 8, 2043
Dec 8, 2043
Granted
Sep 9, 2025
Sep 9, 2025
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.
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 8, 2023, when this application, 18/533,521, was filed | Dec 8, 2043 | 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 8, 2043 | High confidence |
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 |
|---|---|---|---|
| Jan 26, 2024 Reel 66258, frame 343 | Foguet, Montserrat; Gwarek, Mirella; Möllmann, Lars | Biofrontera Bioscience GmbH | Assignment of Assignor's Interest |
| Nov 5, 2025 Reel 73509, frame 6 | Biofrontera Bioscience GmbH | Biofrontera, Inc. | Assignment of Assignor's Interest |
| Jun 8, 2026 Reel 75699, frame 753 | Biofrontera Bioscience GmbH | Biofrontera, Inc. | Corrective Assignment to Correct the Execution Date Previously Recorded on Reel 73509 Frame 6. 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.
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Alerts on its grants, lapses and transfers.
What's changing
Dec 2043
Term ends Dec 8, 2043. Maintenance fees still fall due before then
Citations
2
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.