[r/LocalLLaMA] I classified 3.5M US patents with Nemotron 9B on a single RTX 5090 — then built a free search engine on top

Summary

A patent lawyer, new to coding, classified 3.5 million US patents (2016-2025) into 100 tech tags using Nemotron 9B on a single RTX 5090, completing the task in about 48 hours. They subsequently built a free search engine on top, incorporating BM25 ranking and natural language query expansion via a local LLM, demonstrating a powerful practical application of local AI for large datasets.

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