Modifier of Four-Membered Ring Derivative, Shanghai Hansoh Biomedical, 15th Apr
Summary
The EPO published patent application EP4053110A1 on April 15, 2026, for Shanghai Hansoh Biomedical Co., Ltd. and Jiangsu Hansoh Pharmaceutical Group Co., Ltd., covering a modifier of four-membered ring derivatives for heterocyclic compounds. The application names six inventors: SU Yidong, MAO Xiaofeng, LI Kailong, WANG Jun, CAI Jiaqiang, and BAO Rudi, with IPC classifications C07D 241/04, A61K 31/495, and A61P 25/00. The patent is designated across 31 European member and extension states including DE, FR, GB, IT, NL, ES, PL, SE, and others.
About this source
GovPing monitors EPO Patent Bulletin - Organic Chemistry (C07D) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 63 changes logged to date.
What changed
The EPO published patent application EP4053110A1 (A1 kind) on April 15, 2026, covering a modifier of four-membered ring derivatives filed by Shanghai Hansoh Biomedical Co., Ltd. and Jiangsu Hansoh Pharmaceutical Group Co., Ltd. The application claims priority classifications in the C07D heterocyclic compound class with therapeutic applications under A61K 31/495 and A61P 25/00 (nervous system indications). The patent is designated in 31 EU and extension states.
Pharmaceutical and biotech companies developing heterocyclic compounds for neurological or CNS applications should review this filing for potential freedom-to-operate considerations. The patent's broad C07D and A61P scope may cover compounds with similar four-membered ring structural motifs. Competitors in the CNS therapeutic space should assess whether their R&D programs could overlap with the claimed modifiers.
Archived snapshot
Apr 26, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
MODIFIER OF FOUR-MEMBERED RING DERIVATIVE, PREPARATION METHOD AND APPLICATION THEREOF
Publication EP4053110A1 Kind: A1 Apr 15, 2026
Applicants
Shanghai Hansoh Biomedical Co., Ltd., Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
Inventors
SU, Yidong, MAO, Xiaofeng, LI, Kailong, WANG, Jun, CAI, Jiaqiang, BAO, Rudi
IPC Classifications
C07D 241/04 20060101AFI20231102BHEP A61K 31/495 20060101ALI20231102BHEP A61P 25/00 20060101ALI20231102BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
Related changes
Get daily alerts for EPO Patent Bulletin - Organic Chemistry (C07D)
Daily digest delivered to your inbox.
Free. Unsubscribe anytime.
Source
About this page
Every important government, regulator, and court update from around the world. One place. Real-time. Free. Our mission
Source document text, dates, docket IDs, and authority are extracted directly from EPO.
The summary, classification, recommended actions, deadlines, and penalty information are AI-generated from the original text and may contain errors. Always verify against the source document.
Classification
Who this affects
Taxonomy
Browse Categories
Get alerts for this source
We'll email you when EPO Patent Bulletin - Organic Chemistry (C07D) publishes new changes.
Subscribed!
Optional. Filters your digest to exactly the updates that matter to you.