collaborators

5 papers

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.CY2025

Can Large Language Models Understand As Well As Apply Patent Regulations to Pass a Hands-On Patent Attorney Test?

Bhakti Khera, Rezvan Alamian, Pascal A. Scherz +1

The legal field already uses various large language models (LLMs) in actual applications, but their quantitative performance and reasons for it are underexplored. We evaluated seve…

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…

cs.CL2025

Towards Better Evaluation for Generated Patent Claims

Lekang Jiang, Pascal A Scherz, Stephan Goetz

Patent claims define the scope of protection and establish the legal boundaries of an invention. Drafting these claims is a complex and time-consuming process that usually requires…

cs.CL2024

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…