16 patents currently held
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Mar 2027. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
2
Ending by 2030
Mar 2027
Next term end
10
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
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
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Feb 2028 · High confidence
Also notable
Ends Apr 2039 · High confidence
Also notable
Ends Jun 2039 · High confidence
Nanoemulsion Formulation with Improved Stability and Cell Penetration
US 11,540,981
The most cited patent in this portfolio, cited by 39 later US patents, top 5% of utility patents granted in 2023 in our data. Protection runs to 2028.
LED Panel for a Photodynamic Therapy Lamp
US D1,021,120
Cited by 7 later US patents, top 25% of design patents granted in 2024 in our data. Protection runs to 2039.
Illumination for Photodynamic Therapy
US 11,219,781
The earliest of the three still in force, granted 2022 and renewed since. Its term ends first, in 2039.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- Oct 20Assignment recorded on 5 records: Biofrontera Pharma GmbH to Biofrontera, Inc. Recorded Oct 20, 2026, executed Sep 22, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76724, frame 292.
- 2 of the patents on this record were granted since Aug 16, 2026
What they patent
The 5 largest of its 10 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Illumination Device for Photodynamic Therapy, Method for Treating a Skin Disease and Method for Operating an Illumination Device | 4 in force | to Sep 2041 |
| Illumination for Photodynamic Therapy | 2 in force | to Sep 2041 |
| Photodynamic Therapy Lamp Head | 2 in force | to Aug 2041 |
| Photodynamic Therapy Comprising Two Light Exposures at Different Wavelengths | 2 in force | to Apr 2039 |
| Nanoemulsion Formulation with Improved Stability and Cell Penetration | 1 in force | to Feb 2028 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,517,101 | Convertible Lamp Array In force · High confidence | In force | High confidence | |
| US 11,540,981 | Nanoemulsion Formulation with Improved Stability and Cell Penetration In force · High confidence | In force | High confidence | |
| US 12,544,443 | Photodynamic Therapy Comprising Two Light Exposures at Different Wavelengths In force · High confidence | In force | High confidence | |
| US D1,021,120 | LED Panel for a Photodynamic Therapy Lamp In force · High confidence | In force | High confidence | |
| US 11,642,411 | Photodynamic Therapy Comprising Two Light Exposures at Different Wavelengths In force · High confidence | In force | High confidence | |
| US 11,219,781 | Illumination for Photodynamic Therapy In force · High confidence | In force | High confidence | |
| US D1,052,103 | Photodynamic Therapy Lamp Head In force · Medium confidence | In force | Medium confidence | |
| US D1,067,446 | Photodynamic Therapy Lamp In force · Medium confidence | In force | Medium confidence | |
| US 11,235,169 | Illumination Device for Photodynamic Therapy, Method for Treating a Skin Disease and Method for Operating an Illumination Device In force · High confidence | In force | High confidence | |
| US 12,472,374 | Illumination Device for Photodynamic Therapy, Method for Treating a Skin Disease and Method for Operating an Illumination Device In force · High confidence | In force | High confidence |
Also on record, not counted in the 16: 8 applications pending. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
1 terminal disclaimer is on file with no resolved reference. No cap is applied and none is guessed