Blackletter raises $6M
Blackletter announced a Seed round of $6M on 10 November 2026. The company operates in LegalTech and is based in United States. It was founded by Jonathan Rosenbluth, Co-founder and CEO. Announced 2 days ago.
Founder
Jonathan Rosenbluth
Co-founder and CEO, Blackletter
Outreach angles
- -Jonathan Rosenbluth, co-founder and CEO, previously held a product and engineering leadership role at AI company Cohere, as did co-founder David Stewart.
- -Co-founder Avi Brudner was previously COO of Blue J, and Cohere co-founders Aidan Gomez, Ivan Zhang and Nick Frosst invested individually.
- -The $6M seed led by Lerer Hippeau will build out the BlackletterOS platform and grow its team of lawyers and engineers for its fixed-fee AI-powered law firm, which reports more than 75 clients.
Signals
SeedAI-NativeB2BHiringRegulated Industry
Round details
Company: Blackletter
Domain: blackletterfirm.com
Amount: $6M
Stage: Seed
Industry: LegalTech
Country: United States
Announced: 10 November 2026
Other LegalTech raises
Recently funded in United States