---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-116876"
form_type: "8-K"
ticker: "COLL"
cik: "0001267565"
company_name: "COLLEGIUM PHARMACEUTICAL, INC"
filed_at: "2026-10-19T20:05:20+00:00"
generated_at: "2026-10-19T20:06:18.787428+00:00"
event_type: "litigation"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Collegium pays Grünenthal $17M to settle Nucynta ER patent suit and terminate 2015 license

## Summary
- Collegium paid Grünenthal $17,000,000 to resolve the Nucynta Litigation, a patent suit Grünenthal filed in February 2026 in the U.S. District Court for New Jersey.
- The October 15, 2026 Settlement Agreement terminates the 2015 Grünenthal License and the Consent Agreement in the Territory, discharging all royalty obligations.
- Grünenthal assigned certain Nucynta Products patents to Collegium and filed a motion to dismiss the Nucynta Litigation.
- The Consent Agreement otherwise continues in full force and effect; the report was signed by EVP and CFO Colleen Tupper on October 19, 2026.

## SEC filing metadata
- accession: 0001104659-26-116876
- form_type: 8-K
- ticker: COLL
- cik: 0001267565
- company_name: COLLEGIUM PHARMACEUTICAL, INC
- filed_at: 2026-10-19T20:05:20+00:00
- event_type: litigation
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1267565/000110465926116876/0001104659-26-116876-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1267565/000110465926116876/tm2627827d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-116876
- JSON: https://secwatch.observer/filing/0001104659-26-116876.json
- Plain text: https://secwatch.observer/filing/0001104659-26-116876.txt

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