Changeflow GovPing Pharma & Drug Safety Plant microvesicle compositions for miRNA deliv...
Routine Notice Added Final

Plant microvesicle compositions for miRNA delivery in cancer treatment

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Published March 25th, 2026
Detected April 1st, 2026
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Summary

The European Patent Office published patent application EP3316862A1 for edible plant-derived microvesicle compositions designed to deliver miRNA for cancer treatment. The application, filed by the University of Louisville Research Foundation with inventor Huang-Ge Zhang, covers pharmaceutical formulations and methods for treating cancer using the microvesicle delivery system. The patent designates 39 European states.

What changed

The EPO published application EP3316862A1 titled 'Edible Plant-Derived Microvesicle Compositions for Delivery of miRNA and Methods for Treatment of Cancer.' The invention relates to compositions comprising microvesicles derived from edible plants, where the microvesicles contain miRNA payloads for therapeutic delivery to cancer cells. The application is classified under A61K 9/127 (liposomal compositions), A61P 35/00 (antineoplastic agents), and C12N 15/113 (nucleic acid sequences). Designated states include all major EPO member states across the EU.

This is a patent publication notice, not a regulatory requirement. Compliance teams monitoring pharmaceutical IP trends should note this publication for competitive landscape analysis in the miRNA delivery space. No immediate action is required unless your organization is developing similar technologies where this patent may affect freedom-to-operate considerations.

Source document (simplified)

← EPO Patent Bulletin

EDIBLE PLANT-DERIVED MICROVESICLE COMPOSITIONS FOR DELIVERY OF miRNA AND METHODS FOR TREATMENT OF CANCER

Publication EP3316862A1 Kind: A1 Mar 25, 2026

Applicants

University of Louisville Research Foundation, Inc.

Inventors

ZHANG, Huang-Ge

IPC Classifications

A61K 9/127 20060101AFI20190103BHEP A61P 35/00 20060101ALI20190103BHEP C12N 15/113 20100101ALI20190103BHEP

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

View original document →

Named provisions

Edible Plant-Derived Microvesicle Compositions Methods for Treatment of Cancer miRNA Delivery System

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP3316862A1

Who this affects

Applies to
Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing 3254.1 Biotechnology 3345 Medical Device Manufacturing
Activity scope
Pharmaceutical Compositions Cancer Treatment Methods miRNA Delivery Technology
Geographic scope
European Union EU

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Topics
Healthcare Intellectual Property

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