---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-090998"
form_type: "8-K"
ticker: "RMBS"
cik: "0000917273"
company_name: "RAMBUS INC"
filed_at: "2023-04-04T23:59:59+00:00"
generated_at: "2026-06-17T06:43:29.628904+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Rambus extends patent license with SK hynix through 2034; ~$440M expected over term

## Summary
- Amendment extends SK hynix license by 10 years to July 1, 2034, effective July 1, 2024.
- New quarterly cash payment mechanism averages ~$11M (~$440M over the extended term).
- Amendment adds coverage for SK hynix's acquisition of Intel's NAND flash business (Solidigm).
- Payments start higher, adjust lower in 2029; certain acquisitions can increase quarterly payments.
- Rambus also grants SK hynix a right to license transferred/assigned patents for life of patents.

## SEC filing metadata
- accession: 0001193125-23-090998
- form_type: 8-K
- ticker: RMBS
- cik: 0000917273
- company_name: RAMBUS INC
- filed_at: 2023-04-04T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/917273/000119312523090998/0001193125-23-090998-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/917273/000119312523090998/d688641d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-090998
- JSON: https://secwatch.observer/filing/0001193125-23-090998.json
- Plain text: https://secwatch.observer/filing/0001193125-23-090998.txt

## Key facts
- Material Agreements
  RAMBUS INC amended Amendment No. 2 to Semiconductor Patent License Agreement with SK hynix Inc. valued at approximately $440,000,000 USD (effective 2023-03-31).
  - Action: amendment
  - Agreement: license
  - Counterparty: SK hynix Inc.
  - Value: approximately $440,000,000 USD
  - Effective: 2023-03-31
  source text: On March 31, 2023, Rambus Inc. (“Rambus”) and SK hynix Inc. (“SK hynix”) entered into Amendment No. 2 (the “Second Amendment”) to their Semiconductor Patent License Agreement
  evidence_url: https://www.sec.gov/Archives/edgar/data/917273/000119312523090998/0001193125-23-090998-index.htm

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