Patent Assignment
Reel/Frame 075331/0080
Assignment of Assignor's Interest
Recorded: 2026-07-20
Pages: 4
Assignor
SINN, CHRISTIAN
Executed: 2026-07-06
Assignee
BIOFRONTERA PHARMA GMBH
HEMMELRATHER WEG 201, LEVERKUSEN, 51377, GERMANY
Covered Property
(1)
Illumination Device for Photodynamic Therapy, Method for Treating a Skin Disease and Method for Operating an Illumination Device
Application:
18/248,672 →
Publication:
US US20230390573A1
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 13, 2023
From: OSTERLOH, MARKUS; NOVAK, BEN; LÜBBERT, HERMANN
To: BIOFRONTERA PHARMA GMBH
Reel/Frame 064895/0722 →
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 →