Solve Intelligence Lands $40M Series B, Expands Into Patent Litigation Automation

Solve Intelligence secures $40M Series B funding and launches a new AI-driven patent litigation product as investor interest in legal AI continues to accelerate.

Key points:

  • Solve Intelligence’s Series B brings total investment to $55 million in just two years.
  • New “Charts” product targets patent litigation workflows with automated claim analyses.
  • Funding reflects continued investor momentum behind generative AI tools for IP practice.

As reported by Legaltech News , Solve Intelligence announced Tuesday that it closed a $40 million Series B round co-led by Visionaries Club and 20VC, with participation from Thomson Reuters, Y Combinator, Operators Collective and several high-profile angel investors, including Kevin Johnson of Quinn Emanuel’s IP litigation practice. The raise follows a $12 million Series A earlier this year.

Founded in 2023 by computer scientists Chris and Angus Parsonson and Sanj Ahilan, the company has rapidly gained traction among intellectual property teams. More than 400 IP groups now use the platform, with law firms such as DLA Piper and Perkins Coie accounting for roughly 60% of its customer base and corporate legal teams—including Siemens—making up the remainder.

Solve’s core platform spans patent preparation, prosecution and global filing coordination. The system collects inventor input, drafts applications, manages patent office communications, and supports technical domains ranging from life sciences to software and chemical engineering. Firms can also build proprietary workflows, supported by citation capabilities and structured reasoning explanations.

Alongside the funding round, the company unveiled Charts, a new AI tool aimed at patent litigation and IP analysis. The offering can generate invalidity and standard-essential patent claim charts, map infringement theories, conduct freedom-to-operate assessments and perform portfolio-level evaluations—processes that typically demand substantial attorney time and technical review.

The investment marks 20VC’s second major legal AI commitment this year, following its participation in Vesence’s $9 million seed round. Y Combinator, another returning investor, has also backed Vesence, legal recruiting platform Flo Recruit, and AI developer Legora, underscoring sustained interest in the sector. Thomson Reuters Ventures continued its own legal tech investment streak as well, having recently contributed to The LegalTech Fund's latest vehicle after previous backing of startups including Spellbook.

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