# clm_FDC8AE167F37

subject: Duolingo (/record/duolingo.md)  
predicate: quarterly_research_and_development  
value: 22,529,000 United States dollar  
valid_from: 2021-03-31  
valid_to: 2021-06-30  
confidence: 0.95  
status: superseded  
superseded_by: clm_950BEEF44E0C  
first_seen: 2026-10-28  
last_updated: 2026-10-28  

## Sources

- https://www.sec.gov/Archives/edgar/data/1562088/000156208822000061/0001562088-22-000061-index.htm (primary, SEC EDGAR 10-Q Q1 FY2022)

## Supersedes

- [Duolingo](/record/duolingo.md) | quarterly_research_and_development | 15,894,000 United States dollar | valid 2020-09-30 to 2021-03-31 | conf 0.95 | superseded | superseded_by [clm_FDC8AE167F37](/claim/clm_FDC8AE167F37.md) | [clm_9788C809E158](/claim/clm_9788C809E158.md)
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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.