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Tumor microenvironment targeting compound for cancer therapy

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

EPO published patent application EP3184540A1 for a tumor microenvironment targeting compound for cancer therapy. Applicant is Yafei Shanghai Biology Medicine Science & Technology Co., Ltd. Inventors are Liu Chen and Liu Yuan. The patent covers compounds targeting tumor microenvironments with applications in cancer treatment.

What changed

EPO granted patent EP3184540A1 for a tumor microenvironment targeting compound developed for cancer therapy. The compound is designed to specifically target tumor microenvironments, with potential applications in treating tumors (A61P 35/00) as well as ophthalmic conditions (A61P 27/02) and glaucoma (A61P 27/06). Applicant Yafei Shanghai Biology Medicine Science & Technology Co., Ltd. filed multiple IPC classifications covering various pharmaceutical compositions.

Pharmaceutical companies and researchers developing oncology drugs should review this patent to assess potential freedom-to-operate implications. Entities working on tumor-targeting therapeutics should evaluate whether their compounds fall within the scope of these claims. The designated states cover major European markets including DE, FR, GB, IT, ES, NL, BE, and 29 other European countries.

Source document (simplified)

← EPO Patent Bulletin

SPECIFICALLY ACTIVATED MICROMOLECULAR TARGET COUPLING BODY IN TUMOR MICROENVIRONMENT AND USE THEREOF

Publication EP3184540A1 Kind: A1 Mar 25, 2026

Applicants

Yafei Shanghai Biology Medicine
Science & Technology Co., Ltd.

Inventors

LIU, Chen, LIU, Yuan

IPC Classifications

A61K 31/4745 20060101AFI20260216BHEP A61K 31/7068 20060101ALI20260216BHEP A61K 31/337 20060101ALI20260216BHEP A61P 35/00 20060101ALI20260216BHEP A61P 27/02 20060101ALI20260216BHEP A61P 27/06 20060101ALI20260216BHEP C07K 5/083 20060101ALI20260216BHEP A61K 47/65 20170101ALI20260216BHEP A61K 47/55 20170101ALI20260216BHEP A61K 31/136 20060101ALI20260216BHEP A61K 31/198 20060101ALI20260216BHEP A61K 31/427 20060101ALI20260216BHEP A61K 31/475 20060101ALI20260216BHEP A61K 31/505 20060101ALI20260216BHEP A61K 31/519 20060101ALI20260216BHEP A61K 31/704 20060101ALI20260216BHEP A61K 31/7048 20060101ALI20260216BHEP A61K 31/7072 20060101ALI20260216BHEP A61K 31/7076 20060101ALI20260216BHEP A61K 47/54 20170101ALI20260216BHEP

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

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Named provisions

Tumor microenvironment targeting compound Cancer therapy applications

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP3184540A1

Who this affects

Applies to
Pharmaceutical companies Drug manufacturers Patients
Industry sector
3254 Pharmaceutical Manufacturing 3254.1 Biotechnology 6211 Healthcare Providers
Activity scope
Drug development Cancer treatment Pharmaceutical research
Geographic scope
European Union EU

Taxonomy

Primary area
Healthcare
Operational domain
Legal
Topics
Cancer therapy Drug development Pharmaceuticals

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