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EPO Patent Application: Mulberry Extract for Ulcerative Colitis

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Published March 18th, 2026
Detected March 25th, 2026
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Summary

The European Patent Office has published a patent application (EP4501343A1) for a drug utilizing mulberry extract to treat ulcerative colitis. The application lists Beijing Wehand-Bio Pharmaceutical Co., Ltd and Guangxi Wehand-Bio Pharmaceutical Co., Ltd as applicants.

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What changed

This document is a publication of a European patent application (EP4501343A1) detailing the use of mulberry extract in the preparation of a drug for treating ulcerative colitis. The application was published on March 18, 2026, and lists Beijing Wehand-Bio Pharmaceutical Co., Ltd and Guangxi Wehand-Bio Pharmaceutical Co., Ltd as the applicants.

This publication represents a step in the patent process and does not impose immediate compliance obligations on regulated entities. Companies involved in pharmaceutical development or intellectual property management should note this application as it pertains to potential future market exclusivity for treatments of ulcerative colitis using mulberry extract.

Source document (simplified)

← EPO Patent Bulletin

APPLICATION OF MULBERRY EXTRACT IN PREPARATION OF DRUG FOR TREATING ULCERATIVE COLITIS

Publication EP4501343A1 Kind: A1 Mar 18, 2026

Applicants

Beijing Wehand-Bio Pharmaceutical Co., Ltd, Guangxi Wehand-Bio Pharmaceutical Co., Ltd

Inventors

LIU, Yuling, YE, Jun, LIU, Dongdong, WANG, Hongliang, WANG, Mo, LI, Renjie, YANG, Yanfang

IPC Classifications

A61K 36/605 20060101AFI20260211BHEP A61P 1/04 20060101ALI20260211BHEP A61P 1/00 20060101ALI20260211BHEP A61K 135/00 20060101ALI20260211BHEP A61K 129/00 20060101ALI20260211BHEP A61K 127/00 20060101ALI20260211BHEP A61K 31/445 20060101ALI20260211BHEP A61K 31/46 20060101ALI20260211BHEP

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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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Source

Favicon for changeflow.com
ChangeBridge: EPO Bulletin - Pharma (A61K) changeflow.com/changebridge/epo-patent-bulletin/A61K
Pharma & Drug Safety
Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
EPO
Published
March 18th, 2026
Instrument
Guidance
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4501343A1

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Drug Development Patent Filing
Geographic scope
European Union EU

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Compliance frameworks
FDA 21 CFR Part 11 GxP
Topics
Intellectual Property Drug Development

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