Patent 8268847
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
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PTAB activity (1)
AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.
- IPR2025-01139IPRfiled Jun 10, 2025vs. United Therapeutics CorporationDiscretionary Denial
Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.
Cases on file (1)
Group view →Specific litigation cases in our database that name US patent 8268847. The free-form analysis below may also discuss cases beyond this list.
- Unified Patents Inc. v. Actelion Pharmaceuticals Ltdfiled Jul 22, 2025IPR2025-01139Patent Trial and Appeal Board (PTAB) of the USPTONot Instituted - Procedural
Defendants: Actelion Pharmaceuticals Ltd
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Known litigation involving US patent 8268847 includes one Inter Partes Review (IPR) proceeding before the Patent Trial and Appeal Board (PTAB).
Case Details for US8268847:
- Plaintiff(s): Unified Patents Inc.
- Defendant(s): Actelion Pharmaceuticals Ltd (inferred as the patent owner)
- Jurisdiction: Patent Trial and Appeal Board (PTAB) of the USPTO
- Case Number: IPR2025-01139
- Filing Date: 2025-07-22
- Outcome or Current Status: Not Instituted - Procedural
Generated 5/17/2026, 6:47:54 AM