IPBench: Benchmarking the Knowledge of Large Language Models in Intellectual Property. - Qiyao Wang; Guhong Chen; Hongbo Wang; Huaren Liu; Minghui Zhu; Zhifei Qin; Linwei Li; Yilin Yue; Shiqiang Wang; Jiayan Li; Yihang Wu; Ziqiang Liu; et al. (CoRR, 2025)