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cs.CL2026

Benchmarking Patent Drafting from Inventor-Style Disclosures

Lekang Jiang, Wenjun Sun, Stephan Goetz

While recent large language models (LLMs) have achieved promising results on individual patent drafting tasks, they fundamentally fail to investigate the core challenge of real-wor…

cs.CL2026

When Reasoning Hurts Legal Drafting: The Verbalization Bottleneck in Patent Claim Generation

Lekang Jiang, Wenjun Sun, Stephan Goetz

Patent claim drafting is a challenging legal drafting task that requires technical expertise, precise linguistic control, strict adherence to formal conventions, and the preservati…

cs.CL2025

Reasoning for Hierarchical Text Classification: The Case of Patents

Lekang Jiang, Wenjun Sun, Stephan Goetz

Hierarchical text classification (HTC) assigns documents to multiple levels of a pre-defined taxonomy. Automated patent subject classification represents one of the hardest HTC sce…

cs.CL2025

Patent-CR: A Dataset for Patent Claim Revision

Lekang Jiang, Pascal A Scherz, Stephan Goetz

This paper presents Patent-CR, the first dataset created for the patent claim revision task in English. It includes both initial patent applications rejected by patent examiners an…

cs.CL2025

Can Large Language Models Generate High-quality Patent Claims?

Lekang Jiang, Caiqi Zhang, Pascal A Scherz +1

Large language models (LLMs) have shown exceptional performance across various text generation tasks but remain under-explored in the patent domain, which offers highly structured…

cs.CL2025

Enriching Patent Claim Generation with European Patent Dataset

Lekang Jiang, Chengzu Li, Stephan Goetz

Drafting patent claims is time-intensive, costly, and requires professional skill. Therefore, researchers have investigated large language models (LLMs) to assist inventors in writ…