Tumor Immune Enhancer Patent EP4112636A1 Published by EPO
Summary
The European Patent Office published patent application EP4112636A1 titled 'Tumor Immune Enhancer, And Preparation Method Therefor And Application Thereof' on April 15, 2026. The applicant is Wuxi Plb Therapeutics Technology Limited. Co, with inventors DENG, Li, CHEN, Shuxian, QU, Xiuxia, and GONG, Xiaohai. The technology is classified under IPC codes C07K 14/195 (peptides), C12N 15/31 (biotechnology/nucleic acids), A61K 39/39 (immunological preparations), and A61P 35/00 (antineoplastic agents). The patent has been designated across 30 European member states including AT, BE, DE, ES, FR, GB, IT, NL, and PL.
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GovPing monitors EPO Patent Bulletin - Peptides (C07K) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 58 changes logged to date.
What changed
EPO published patent application EP4112636A1 for a tumor immune enhancer and its preparation method, filed by Wuxi Plb Therapeutics Technology Limited. Co. The invention is classified in multiple IPC categories covering peptides (C07K), biotechnology/nucleic acids (C12N), and pharmaceutical preparations (A61K), with specific applications in antineoplastic agents (A61P 35/00). The patent designation covers 30 European contracting states including Austria, Belgium, Germany, France, Italy, the Netherlands, Spain, Sweden, and the United Kingdom.
Pharmaceutical and biotechnology companies engaged in immunotherapy research should review the patent scope to assess potential freedom-to-operate implications in the European market, particularly for peptide-based tumor immune enhancement technologies. The patent's broad IPC classification spanning C07K (peptides) and A61K (pharmaceutical compositions) indicates potential coverage across multiple formulation and application types.
Archived snapshot
Apr 25, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
TUMOR IMMUNE ENHANCER, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Publication EP4112636A1 Kind: A1 Apr 15, 2026
Applicants
Wuxi Plb Therapeutics Technology Limited. Co
Inventors
DENG, Li, CHEN, Shuxian, QU, Xiuxia, GONG, Xiaohai
IPC Classifications
C07K 14/195 20060101AFI20230824BHEP C12N 15/31 20060101ALI20230824BHEP C12N 15/63 20060101ALI20230824BHEP A61K 39/39 20060101ALI20230824BHEP A61K 38/16 20060101ALI20230824BHEP A61P 35/00 20060101ALI20230824BHEP A61K 38/00 20060101ALI20230824BHEP A61K 39/00 20060101ALI20230824BHEP C07K 14/33 20060101ALI20230824BHEP C07K 14/34 20060101ALI20230824BHEP
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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