---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-028648"
form_type: "8-K"
ticker: "PRKR"
cik: "0000914139"
company_name: "PARKERVISION INC"
filed_at: "2024-09-06T23:59:59+00:00"
generated_at: "2026-05-31T06:09:52.691255+00:00"
event_type: "litigation"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# ParkerVision wins CAFC appeal; Qualcomm patent case remanded for trial in Florida

## Summary
- CAFC reversed district court's Daubert exclusion of expert testimony, reinstating infringement claims.
- Vacated summary judgment barring receiver patents; reversed collateral estoppel on '940 patent validity.
- Case sent back to Middle District of Florida for trial; costs of appeal awarded to ParkerVision.
- CEO estimates over 1.5 billion Qualcomm chips incorporate ParkerVision's technology without authorization.

## SEC filing metadata
- accession: 0001437749-24-028648
- form_type: 8-K
- ticker: PRKR
- cik: 0000914139
- company_name: PARKERVISION INC
- filed_at: 2024-09-06T23:59:59+00:00
- event_type: litigation
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/914139/000143774924028648/0001437749-24-028648-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/914139/000143774924028648/prkr20240906_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-028648
- JSON: https://secwatch.observer/filing/0001437749-24-028648.json
- Plain text: https://secwatch.observer/filing/0001437749-24-028648.txt

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