Contract AI Moves Into Word

The key shift is that contract AI is moving out of separate review systems and into the Word window where lawyers already do the work. Spellbook and DraftWise attack the drafting and markup moment directly, which makes them easier to adopt for individual lawyers and practice groups. Luminance has answered by bringing its own negotiation tools into Word, but with a broader platform that also covers diligence, repository analysis, and enterprise controls.

• Spellbook is a Word add in built around drafting and clause generation. It is installed from the Microsoft add in flow and works inside the document, which lowers training and change management versus asking lawyers to move into a separate contract system.
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• DraftWise is closer to a law firm memory layer. It pulls from a firm’s DMS and past deal language, then suggests clauses, markup, and responses inside Word. That makes it especially strong for firms that want AI to mirror how their own partners negotiated similar points before.
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• Luminance is competing from a wider base. It started in due diligence, expanded into contract review and negotiation, and now sells a stack that spans document ingestion, clause flagging, auto markup, and enterprise deployment. The Word assistant is one surface of the product, not the whole product.
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This market is heading toward two layers. The first is the in document copilot that helps a lawyer redline faster. The second is the system that stores playbooks, analyzes large document sets, and standardizes decisions across a whole legal team. The companies that win budget over time will be the ones that can connect both layers into one workflow.