In addition, on the basis of the Boxer Protocol, which had been concluded after the Boxer Rebellion (the Boxer Uprising), the Sino-Japanese Additional Treaty of Commerce and Navigation, which consisted of 13 articles, was concluded in Shanghai City on October 8, 1903, and the principal articles are as follows; the Article 4: To start commercial partnership between Japanese and Chinese, the Article 5: the protection of Japanese trademark and copyright, the Article 6 and 7: The obligation to fix the standard of weights and measures, the Article 11: To support Chinese judicial reform by Japanese and the obligation to abolish extraterritoriality after the reform is completed.
更に北清事変の際に結ばれた北京議定書に基づいて1903年10月8日に上海市において、全13条からなる日清（両国間）追加通商航海条約（にっしん（りょうこくかん）ついかこうかいじょうやく）が締結され、日本人と清国人の共同経営事業（第4条）、日本人の商標・著作権保護（第5条）、清国の貨幣制度・度量衡統一義務（第6・7条）・日本の清国司法改革支援と達成後の治外法権撤廃義務（第11条）が定められた。