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Routine Notice Added Final

EPO Patent EP4549563A1: Hyaluronidase Hyal1 Variant Active in Neutral pH

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

The European Patent Office has published patent application EP4549563A1 concerning a hyaluronidase Hyal1 variant that exhibits activity in neutral pH. The patent application was filed by Odysgen Inc. and lists Choi Mal-Gi and Lee Chang Woo as inventors.

What changed

This document is a publication of a European patent application (EP4549563A1) for a novel hyaluronidase Hyal1 variant developed by Odysgen Inc. The variant is characterized by its activity in neutral pH conditions, which could have implications for drug delivery and therapeutic applications.

As this is a patent publication, it does not impose direct compliance obligations on regulated entities. However, it is relevant for pharmaceutical and biotechnology companies involved in research and development of enzyme-based therapeutics or drug delivery systems. Companies should monitor patent landscapes for potential intellectual property considerations.

Source document (simplified)

← EPO Patent Bulletin

HYALURONIDASE HYAL1 VARIANT EXHIBITING ACTIVITY IN NEUTRAL PH

Publication EP4549563A1 Kind: A1 Mar 18, 2026

Applicants

Odysgen Inc.

Inventors

CHOI, Mal-Gi, LEE, Chang Woo

IPC Classifications

C12N 9/26 20060101AFI20260212BHEP A61K 38/47 20060101ALI20260212BHEP A61P 27/02 20060101ALI20260212BHEP A61K 9/00 20060101ALI20260212BHEP A61K 38/00 20060101ALI20260212BHEP C12N 15/52 20060101ALI20260212BHEP

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

HYALURONIDASE HYAL1 VARIANT EXHIBITING ACTIVITY IN NEUTRAL PH

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
EP4549563A1

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing 3254.1 Biotechnology
Activity scope
Drug Development Biotechnology Research
Geographic scope
European Union EU

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Research & Development
Compliance frameworks
FDA 21 CFR Part 11 GxP
Topics
Biotechnology Intellectual Property

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