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Harvey Raises $550M at $15.5B Valuation as Legal AI Platform Expands to 80% of Top Law Firms

Sep 10, 2026
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Summary

Harvey secures a massive $550M funding round at a $15.5B valuation, now powering 80% of top U.S. law firms as it aggressively expands its AI-driven legal platform globally.

Key Points

  • Harvey announces a massive $550M funding round at a $15.5B valuation, co-led by Diffusion and Lightspeed Venture Partners, with participation from major investors including Sequoia, Kleiner Perkins, and a16z.
  • The new capital follows the launch of Harvey's first post-trained open-weight model and the Legal Agent Benchmark (Harvey LAB), signaling a major push into advanced AI development for the legal sector.
  • Harvey is now used by 80% of Am Law 100 firms and five of the Fortune 10 in-house legal teams, with the fresh funding aimed at scaling intelligence ownership for law firms and professional services organizations worldwide.

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