石药尚在专利申请中的化合物10（Compound 10，申请号：PCT/CN2024/140920；申请人：石药集团百 克（山东）生物制药股份有限公司（CSPC Baike (Shandong)Biopharmaceutical Co., Ltd.））与歌礼已获 USPTO授权的该专利所涵盖的化合物1(Compound 1)分子结构完全一致。 但歌礼向USPTO提交专利申请的日期领先石药申请的日期长达三个多月之久，截至本公告日期，石药 的专利申请仍在审查中。 近日，歌礼制药发布自愿性公告。披露公司近日获悉由石药集团有限公司附属公司康久普乐生物医疗有 限公司向美国专利商标局（「USPTO」）提交的一项复审。该复审质疑本公司附属公司歌礼制药（中 国）有限公司一项已获授权的美国专利的有效性。截至本公告日期，该复审仍在USPTO审查中。 本公司对于该专利的有效性充满信心，如该复审继续推进，本公司将采取一切必要的法律手段扞卫本公 司的知识产权。 由于该复审目前仍在USPTO审查中，当前阶段该复审对本集团无潜在影响。本公司将密切关注该复审 的进展并评估其影响，与此同时，当前本公司的业务及运营未受影响。 （企业公告） 尽管 ...

Core Viewpoint - The article discusses the ongoing patent dispute between Songlei and Conjupro Biotherapeutics, a subsidiary of CSPC Pharmaceutical Group, regarding the validity of a US patent held by Songlei, which is currently under review by the USPTO [1][3]. Group 1: Patent Dispute Details - On June 30, Songlei announced that it was informed on June 24 about Conjupro's request for a Post Grant Review at the USPTO, questioning the validity of specific claims in Songlei's US patent (Patent No: 12,234,236) [1]. - Conjupro's application for "Compound 10" is claimed to be structurally identical to Songlei's "Compound 1," with Songlei asserting that its patent application was submitted over three months prior to Conjupro's [1]. - As of the announcement, the review request is still under examination by the USPTO [1]. Group 2: Background and Implications - Songlei noted that it could not ascertain the specific reasons behind Conjupro's review request, but highlighted that Conjupro had previously sought global licensing discussions for the GLP-1R agonist Compound 1, which Songlei declined [3]. - The patent in question is based on proprietary technology developed by Songlei and is currently being utilized in the development of the candidate drug ASC30, with multiple related molecules protected under various patent systems [4]. - The USPTO officially granted the patent rights to Songlei on February 25, 2025, citing its innovation and non-obviousness compared to existing technologies [4].