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].
速递|GLP-1药物专利战打响!石药向歌礼美国专利发起挑战
GLP1减重宝典·2025-06-30 07:46