Changeflow GovPing Pharma & Drug Safety Exatecan Derivatives Patent Publication
Routine Notice Added Final

Exatecan Derivatives Patent Publication

Favicon for changeflow.com ChangeBridge: EPO Bulletin - Organic Chemistry (C07D)
Published March 11th, 2026
Detected March 26th, 2026
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Summary

The European Patent Office has published patent application EP4541796A1 concerning exatecan derivatives and their use. The publication date is March 11, 2026, and the applicant is Hangzhou Adcoris Biopharma Co., Ltd. This notice serves as an informational update on a new patent publication.

What changed

The European Patent Office (EPO) has published patent application EP4541796A1, titled 'EXATECAN DERIVATIVES AND USE THEREOF'. The publication date is March 11, 2026. The applicant is Hangzhou Adcoris Biopharma Co., Ltd. This patent publication pertains to chemical compounds related to exatecan, which is often used in cancer treatment, and their therapeutic applications.

This is a patent publication, not a regulatory rule or guidance that imposes new compliance obligations. Therefore, no immediate actions are required from a compliance perspective. Companies operating in the pharmaceutical sector, particularly those involved in oncology drug development or intellectual property management, may wish to review the patent details for competitive intelligence or potential licensing opportunities.

Source document (simplified)

← EPO Patent Bulletin

EXATECAN DERIVATIVES AND USE THEREOF

Publication EP4541796A1 Kind: A1 Mar 11, 2026

Applicants

Hangzhou Adcoris Biopharma Co., Ltd

Inventors

HUANG, Yunsheng, LI, Yaowu, WU, Kai, ZHANG, Shiyi, JIN, Xue

IPC Classifications

C07D 491/22 20060101AFI20260122BHEP A61K 31/4745 20060101ALI20260122BHEP A61P 35/00 20060101ALI20260122BHEP A61K 47/68 20170101ALI20260122BHEP

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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Named provisions

EXATECAN DERIVATIVES AND USE THEREOF

Classification

Agency
EPO
Published
March 11th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4541796A1

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Drug Development Intellectual Property Management
Geographic scope
European Union EU

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Topics
Intellectual Property Drug Development

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