Topical Antimicrobial Lipid Composition Patent
Summary
The European Patent Office published patent application EP3723711A1 for Unilever covering topical antimicrobial lipid compositions. The application, filed by Unilever Global IP Limited and Unilever IP Holdings B.V., includes claims related to hair care and skin care formulations with antimicrobial properties. The patent claims priority from June 21, 2019.
What changed
The EPO published patent EP3723711A1 titled 'Topical Composition Comprising Antimicrobial Lipid' with claims covering compositions containing antimicrobial lipids for topical use. Inventors include CHU Chung-Ching, PU Mingming, and XU Yining. The designated states cover all 31 EPC contracting states across the EU and EEA.
This publication provides public notice of the patent claims, allowing third parties to review the scope of protection. Interested parties should assess whether their products may fall within the patent claims and evaluate potential licensing needs or freedom-to-operate considerations. The 18-month publication period from the priority date means competitors have been on notice since December 2020. No immediate compliance action is required as this is a patent publication rather than a regulatory requirement.
What to do next
- Review patent claims for overlap with existing or planned product lines
- Assess freedom-to-operate if developing similar topical antimicrobial compositions
- Evaluate potential licensing opportunities with Unilever if patent claims are relevant to business activities
Source document (simplified)
TOPICAL COMPOSITION COMPRISING ANTIMICROBIAL LIPID
Publication EP3723711A1 Kind: A1 Mar 25, 2026
Applicants
Unilever Global IP Limited, Unilever IP Holdings B.V.
Inventors
CHU, Chung-Ching, PU, Mingming, XU, Yining
IPC Classifications
A61K 8/34 20060101AFI20190621BHEP A61Q 5/00 20060101ALI20190621BHEP A61Q 5/02 20060101ALI20190621BHEP A61Q 5/12 20060101ALI20190621BHEP A61K 8/68 20060101ALI20190621BHEP A61Q 17/00 20060101ALI20190621BHEP A61Q 19/00 20060101ALI20190621BHEP A61K 8/92 20060101ALI20190621BHEP A61P 17/10 20060101ALI20190621BHEP
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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