Last Updated: November 9, 2026

Litigation Details for DUSA Pharmaceuticals, Inc. v. Biofrontera Inc. (D. Mass. 2018)

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DUSA Pharmaceuticals, Inc. v. Biofrontera Inc. (D. Mass. 2018)

Docket	⤷ Start Trial	Date Filed	2018-03-23
Court	District Court, D. Massachusetts	Date Terminated	2021-11-29
Cause	35:271 Patent Infringement	Assigned To	Richard Gaylore Stearns
Jury Demand	Both	Referred To
Parties	BIOFRONTERA NEUROSCIENCE GMBH
Patents	6,709,446; 8,216,289
Attorneys	Bryan K. Basso
Firms	Fish Richardson P.C.
Link to Docket	External link to docket

Small Molecule Drugs cited in DUSA Pharmaceuticals, Inc. v. Biofrontera Inc.

The small molecule drug covered by the patents cited in this case is ⤷ Start Trial .

Details for DUSA Pharmaceuticals, Inc. v. Biofrontera Inc. (D. Mass. 2018)

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Date Filed	Document No.	Description	Snippet	Link To Document
2018-03-23				External link to document
2018-03-23	1		infringement of United States Patent Nos. 9,723,991 and 8,216,289 (the “Patents-in-Suit”) by making, using…No. 8,216,289 (“the ’289 Patent”), entitled “Illuminator for Photodynamic Therapy.” The ’289 Patent has…Page 22 of 30 COUNT II: PATENT INFRINGEMENT OF U.S. PATENT NO. 8,216,289 DUSA incorporates…289 patent for Levulan®. The ’289 Patent and the ’991 Patent are continuations of the same patent, and… THE ASSERTED PATENTS The ’991 Patent On August	External link to document
2018-03-23	158	Memorandum & Order	surface.” Likewise, claim 1 of U.S. Patent No. 6,709,446 (the ’446 patent) discloses “[a]n illuminator . .…disputed claim terms of the two asserted patents – U.S. Patents Nos. 8,216,289 (the 1Specifically… Laws ch. 93A (Count VII). ’289 patent) and 9,723,991 (the ’991 patent). The court heard argument pursuant… THE ASSERTED PATENTS The ’289 and the ’991 patents are both entitled “Illuminator…application for the ’991 patent is a continuation of the application for the ’289 patent, which is itself a	External link to document
2018-03-23	257		Under Seal), # 2 Exhibit 2 - US Patent 8,216,289, # 3 Exhibit 3 - US Patent 9,723,991, # 4 Exhibit 4 (Filed…MOTION for Summary Judgment UNDER RULE 56 ON DUSAS PATENT CLAIMS (COUNTS I & II) by Biofrontera AG, Biofrontera… 29 November 2021 1:18-cv-10568 830 Patent Both District Court, D. Massachusetts	External link to document
2018-03-23	287		Attachments: # 1 Exhibit 1 U.S. Patent No. 8,216,289, # 2 Exhibit 2 U.S. Patent No. 9,723,991, # 3 Exhibit … 29 November 2021 1:18-cv-10568 830 Patent Both District Court, D. Massachusetts	External link to document
>Date Filed	>Document No.	>Description	>Snippet	>Link To Document

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