知识产权官文PDF转markdown

Convert Chinese patent PDFs/DOCX/DOCs to structured Markdown. Supports patent publications (A/B/U) and office action documents (审查意见通知书/驳回决定/复审决定书/无效宣告请求审查决定书). Uses MinerU for high-quality OCR text extraction (falls back to Tesseract), Python scripts for structural parsing and image extraction. Invoke when user needs to process Chinese patent PDFs, convert patent documents to Markdown, or extract patent bibliographic data. 中国专利PDF/DOCX/DOC转Markdown、专利文档提取、著录项目提取、权利要求书提取、说明书附图提取。支持发明公开(A)、发明公告(B)、实用新型公告(U)三种专利公开类型，以及审查意见通知书、驳回决定、复审决定书、无效宣告请求审查决定书四种审查文件类型。MinerU高质量OCR+Python结构化解析。