BriefCatch Raises $6M Series A to Build Out AI-Assisted Legal Writing
BriefCatch, a legal-writing platform used by law firms and courts, has closed a $6 million Series A in a significant upround. Legal teams are speeding up digital adoption while weighing risks tied to generative AI, and BriefCatch is positioning itself as a safe, practical tool in that shift.
The round was led by Full In, a software-focused growth equity firm founded by Managing Partner Elodie Dupuy. The capital will support continued product work and a broader set of AI-assisted writing tools built for legal workflows, with a focus on accuracy, accountability, and enterprise-grade security.
What BriefCatch does
Founded by legal-writing specialist Ross Guberman, BriefCatch delivers expert-guided editing and writing feedback inside Microsoft Word. Its AI features are optional and security-conscious, helping lawyers improve clarity and sharpen arguments while keeping full control of the final document.
Adoption is sticky: 99% customer retention, 100% gross retention among law firms and courts, and 126% net revenue retention, signaling deeper use within existing accounts.
Why it matters for legal teams
- Use AI as a check-and-balance on generative content without giving up authorship.
- Speed up associate development with consistent, in-context feedback where the work happens.
- Advance quality and consistency while meeting internal standards and client expectations.
Notes for product leaders
- Retention metrics suggest clear product-market fit and expansion paths inside existing customers.
- Embedding inside familiar tools reduces change-management friction.
- Security and user control map well to frameworks such as the NIST AI Risk Management Framework.
For writers and knowledge teams
- Treat BriefCatch like a writing coach in Word-quick suggestions, clear choices, your voice intact.
- Set policy guardrails: when to use AI suggestions, citation rules, and review steps before filing.
What's next
With fresh funding, BriefCatch plans to accelerate product development, grow its team and market presence, and deepen its commitment to security, accuracy, and user control as more firms look for efficiency without compromising professional standards in legal writing.
What the backers are saying
"The market is undergoing a lot of change-law firms are digitizing at a rate they hadn't been before. AI is driving much of that change, but it also comes with fear. We believe customers will see the value in BriefCatch in accelerating the learning and quality of associates' work, and as a check and balance on generative AI content that will inevitably be part of the future." -Elodie Dupuy, Founder and Managing Partner, Full In
"We've always preferred deep subject expertise and focused product visions. That's usually the path to real value for customers and customers are the most critical stakeholders to keep happy." -Elodie Dupuy, Founder and Managing Partner, Full In
"The company already has a lot of momentum, and has achieved it with modest means. Our capital and our pool of exceptional operators means we can help unlock much of the latent demand we see for this product." -Elodie Dupuy, Founder and Managing Partner, Full In
Ross Guberman, Founder, BriefCatch, said the next phase focuses on pairing first-rate legal writing principles with a custom AI system that delivers career-advancing wins, crediting the team and loyal customers for one of legal tech's strongest net revenue retention profiles.
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