Changeflow GovPing Pharma & Drug Safety EPO Patent Granted for Proximod Crystal Form
Routine Notice Added Final

EPO Patent Granted for Proximod Crystal Form

Favicon for changeflow.com ChangeBridge: EPO Bulletin - Therapeutics (A61P)
Published March 18th, 2026
Detected March 23rd, 2026
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Summary

The European Patent Office has granted a patent (EP4635945A1) for a crystal form of Proximod, its preparation method, and its use. The patent was published on March 18, 2026, with applicants Jiankuan (Suzhou) Biotechnology Co., Ltd and the Institute of Materia Medica, Chinese Academy of Medical Sciences.

What changed

The European Patent Office (EPO) has granted patent EP4635945A1 for a specific crystal form of the drug Proximod, along with its preparation method and intended uses. This patent, published on March 18, 2026, covers intellectual property related to pharmaceutical development and manufacturing.

This grant signifies a new intellectual property right for the applicants, Jiankuan (Suzhou) Biotechnology Co., Ltd and the Institute of Materia Medica, Chinese Academy of Medical Sciences. Companies operating in the pharmaceutical sector, particularly those involved in the development or potential manufacturing of Proximod or similar compounds, should note this patent to ensure compliance with intellectual property laws and avoid infringement.

Source document (simplified)

← EPO Patent Bulletin

CRYSTAL FORM OF PROXIMOD, PREPARATION METHOD THEREFOR, AND USE THEREOF

Publication EP4635945A1 Kind: A1 Mar 18, 2026

Applicants

Jiankuan (Suzhou) Biotechnology Co., Ltd, Institute of Materia Medica,
Chinese Academy of Medical Sciences

Inventors

WANG, Xiaojian, CHEN, Xiaoguang, ZHAO, Yanshi, WU, Ping, JIN, Jing, LI, Yan, SHENG, Li, CHEN, Xin

IPC Classifications

C07D 263/32 20060101AFI20240621BHEP A61P 37/02 20060101ALI20240621BHEP A61P 37/04 20060101ALI20240621BHEP A61P 37/06 20060101ALI20240621BHEP A61P 19/02 20060101ALI20240621BHEP A61K 31/421 20060101ALI20240621BHEP

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

View original document →

Named provisions

CRYSTAL FORM OF PROXIMOD, PREPARATION METHOD THEREFOR, AND USE THEREOF

Classification

Agency
EPO
Published
March 18th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4635945A1

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
Compliance frameworks
FDA 21 CFR Part 11 GxP
Topics
Intellectual Property Drug Development

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