Patent Assignment
Reel/Frame 075363/0101
Assignment of Assignor's Interest
Recorded: 2026-07-22
Pages: 4
Assignor
SINN, CHRISTIAN
Executed: 2026-07-06
Assignee
BIOFRONTERA PHARMA GMBH
HEMMELRATHER WEG 201, LEVERKUSEN, 51377, GERMANY
Covered Properties
(2)
Illumination Device for Photodynamic Therapy, Method for Treating a Skin Disease and Method for Operating an Illumination Device
Illumination Device for Photodynamic Therapy, Method for Treating a Skin Disease and Method for Operating an Illumination Device
Patent:
11,235,169 →
Application:
17/215,785 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 19, 2020
From: OSTERLOH, MARKUS, DR.; NOVAK, BEN, DR.; LÜBBERT, HERMANN, DR.
To: BIOFRONTERA BIOSCIENCE GMBH
Reel/Frame 054421/0867 →
Assignment of Assignor's Interest
Jan 11, 2021
From: BIOFRONTERA BIOSCIENCE GMBH
To: BIOFRONTERA PHARMA GMBH
Reel/Frame 054874/0896 →
Assignment of Assignor's Interest
Apr 23, 2021
From: OSTERLOH, MARKUS; NOVAK, BEN; LÜBBERT, HERMANN
To: BIOFRONTERA PHARMA GMBH
Reel/Frame 056016/0609 →
Assignment of Assignor's Interest
Nov 5, 2025
From: BIOFRONTERA PHARMA GMBH
To: BIOFRONTERA, INC.
Reel/Frame 073487/0001 →
Corrective Assignment to Correct the Execution Date Previously Recorded on Reel 73487 Frame 1. Assignor(S) Hereby Confirms the Assignment .
Jan 26, 2026
From: BIOFRONTERA PHARMA GMBH
To: BIOFRONTERA, INC.
Reel/Frame 074863/0943 →