---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-000132"
form_type: "8-K"
ticker: "SONX"
cik: "0001407973"
company_name: "Sonendo, Inc."
filed_at: "2023-01-04T23:59:59+00:00"
generated_at: "2026-06-20T20:15:05.692578+00:00"
event_type: "litigation"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Sonendo subsidiary PIPStek files patent infringement lawsuit against BIOLASE over Waterlase laser

## Summary
- PIPStek LLC, wholly owned by Sonendo, filed suit in U.S. District Court for Delaware asserting two patents against BIOLASE's Waterlase laser.
- Patents asserted are US 11,426,239 and 11,350,993; Sonendo acquired PIPStek and its IP in 2017.
- Sonendo has not commercialized PIPStek's laser technologies, citing confidence in GentleWave System as superior.
- CEO Bjarne Bergheim stated commitment to defending IP investments and expects a favorable court ruling.

## SEC filing metadata
- accession: 0000950170-23-000132
- form_type: 8-K
- ticker: SONX
- cik: 0001407973
- company_name: Sonendo, Inc.
- filed_at: 2023-01-04T23:59:59+00:00
- event_type: litigation
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1407973/000095017023000132/0000950170-23-000132-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1407973/000095017023000132/sonx-20230104.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-000132
- JSON: https://secwatch.observer/filing/0000950170-23-000132.json
- Plain text: https://secwatch.observer/filing/0000950170-23-000132.txt

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