---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-008136"
form_type: "8-K"
ticker: "BFRI"
cik: "0001858685"
company_name: "Biofrontera Inc."
filed_at: "2026-02-26T23:59:59+00:00"
generated_at: "2026-05-15T23:47:59.342329+00:00"
event_type: "litigation"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# PTAB finds Sun Pharma’s patent '028 unpatentable, a win for Biofrontera in patent dispute

## Summary
- PTAB issued Final Written Decision on Feb 23, 2026, invalidating all challenged claims of Sun's U.S. Patent No. 11,697,028.
- Sun may request rehearing, petition the Director, or appeal to the Federal Circuit.
- Decision does not affect the separate '512 patent; that IPR petition was denied on administrative grounds.
- Impact on parallel District Court and ITC proceedings is not yet determinable.

## SEC filing metadata
- accession: 0001493152-26-008136
- form_type: 8-K
- ticker: BFRI
- cik: 0001858685
- company_name: Biofrontera Inc.
- filed_at: 2026-02-26T23:59:59+00:00
- event_type: litigation
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1858685/000149315226008136/0001493152-26-008136-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1858685/000149315226008136/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-008136
- JSON: https://secwatch.observer/filing/0001493152-26-008136.json
- Plain text: https://secwatch.observer/filing/0001493152-26-008136.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.