---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-026953"
form_type: "8-K"
ticker: "PBYI"
cik: "0001401667"
company_name: "PUMA BIOTECHNOLOGY, INC."
filed_at: "2024-08-15T23:59:59+00:00"
generated_at: "2026-05-31T08:59:11.275552+00:00"
event_type: "litigation"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Court invalidates Puma's patents in Tagrisso suit, overturns $107.5M jury award

## Summary
- Jury found Tagrisso infringed Puma's patents, awarded $107.5M in damages.
- Judge overturned verdict, ruling patents invalid under §112 for lack of enablement/written description.
- Final judgment entered; Puma can appeal by Sept 13, 2024.
- Puma dismissed as plaintiff but retains contractual rights to damages via Wyeth; ruling affects potential recovery.

## SEC filing metadata
- accession: 0001437749-24-026953
- form_type: 8-K
- ticker: PBYI
- cik: 0001401667
- company_name: PUMA BIOTECHNOLOGY, INC.
- filed_at: 2024-08-15T23:59:59+00:00
- event_type: litigation
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1401667/000143774924026953/0001437749-24-026953-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1401667/000143774924026953/pbyi20240815_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-026953
- JSON: https://secwatch.observer/filing/0001437749-24-026953.json
- Plain text: https://secwatch.observer/filing/0001437749-24-026953.txt

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