---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-013689"
form_type: "8-K"
ticker: "ASPN"
cik: "0001145986"
company_name: "ASPEN AEROGELS INC"
filed_at: "2023-04-20T23:59:59+00:00"
generated_at: "2026-06-16T22:14:50.566688+00:00"
event_type: "litigation"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Aspen Aerogels sues Beerenberg in Korea for patent infringement on aerogel products

## Summary
- Filed patent infringement suit in Seoul Central District Court and unfair trade practice action with Korea Trade Commission.
- Alleges Beerenberg's aerogel blanket infringes multiple Aspen patents, including Korean counterparts of patents enforced in US and Germany.
- Seeking injunctive relief and monetary damages against Beerenberg Services AS, Beerenberg Korea Ltd., and related entities.
- CEO Donald Young states company will aggressively enforce IP rights against importers and distributors of infringing aerogel products.

## SEC filing metadata
- accession: 0000950170-23-013689
- form_type: 8-K
- ticker: ASPN
- cik: 0001145986
- company_name: ASPEN AEROGELS INC
- filed_at: 2023-04-20T23:59:59+00:00
- event_type: litigation
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1145986/000095017023013689/0000950170-23-013689-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1145986/000095017023013689/aspn-20230420.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-013689
- JSON: https://secwatch.observer/filing/0000950170-23-013689.json
- Plain text: https://secwatch.observer/filing/0000950170-23-013689.txt

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