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LegalTech

LLM-Powered Legal Document Automation

Built a secure RAG (Retrieval-Augmented Generation) pipeline to automate the first-pass review of 10,000+ contracts, reducing manual review time by 70%.

ClientInternational Law Firm
CategoryAI/ML
LLM-Powered Legal Document Automation

The Challenge

High accuracy requirement (zero-hallucination tolerance) and strict data residency laws prohibiting the use of public LLM endpoints.

Review Time
70% decrease
Accuracy
98.5% verified
Cost per Document
Reduced by $12

The Technical Solution

We avoided the 'easy' path of templates and plugins, instead engineering a system built for scale and long-term maintainability.

Architecture

Implemented a local Llama-3 instance deployed via vLLM on private GPU clusters, with a hybrid search strategy (BM25 + Vector search) using Qdrant.

Tech Stack

PythonFastAPIQdrantvLLMReact

Key Decisions

Hybrid Search Strategy

Pure vector search missed specific legal citations; combining it with keyword search ensured 100% retrieval of critical clauses.

Self-Hosted LLM

Ensured data never left the regional VPC to comply with strict legal confidentiality and residency requirements.

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