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EPO Patent Bulletin: Solid State Forms of Zipalertinib

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

The European Patent Office published patent application EP4630120A1 concerning solid state forms of Zipalertinib and a process for its preparation. The application was filed by Assia Chemical Industries Ltd. and lists Pavel Kolesa, Jana Romanová, and Alexandr Jegorov as inventors.

What changed

This document is a publication of a European patent application (EP4630120A1) from the EPO Bulletin, specifically concerning solid state forms of the drug Zipalertinib and the process for its preparation. The application was filed by Assia Chemical Industries Ltd. and lists three inventors. This publication represents a new patent application being made public, not a final grant or a rule change.

As this is a patent application publication, there are no immediate compliance obligations for regulated entities. However, companies involved in pharmaceutical development, particularly those working with kinase inhibitors or similar oncology drugs, should be aware of this filing as it pertains to intellectual property in the field. Further monitoring of the patent's prosecution and potential grant would be advisable for competitive intelligence.

Source document (simplified)

← EPO Patent Bulletin

SOLID STATE FORMS OF ZIPALERTINIB AND PROCESS FOR PREPARATION THEREOF

Publication EP4630120A1 Kind: A1 Mar 18, 2026

Applicants

Assia Chemical Industries Ltd.

Inventors

KOLESA, Pavel, ROMANOVÁ, Jana, JEGOROV, Alexandr

IPC Classifications

A61P 35/00 20060101AFI20240614BHEP C07D 471/14 20060101ALI20240614BHEP A61K 31/519 20060101ALI20240614BHEP

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

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

Classification

Agency
EPO
Published
March 18th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4630120A1

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
Topics
Intellectual Property Drug Development

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