Changeflow GovPing Pharma & Drug Safety Modified Biotin Streptavidin Mutant Patent - Ca...
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Modified Biotin Streptavidin Mutant Patent - Cancer Treatment

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Summary

The European Patent Office published application EP3842440A2 for CompleCure, Inc., covering modified biotin compounds and streptavidin mutants for cancer treatment and diagnostic applications. The patent includes claims related to C07K peptide compositions and therapeutic uses. Designated states cover major European markets including Germany, France, UK, Italy, and Spain.

What changed

The European Patent Office granted patent EP3842440A2 to CompleCure, Inc., covering modified biotin compounds, streptavidin mutants, and their therapeutic applications in cancer treatment. The patent includes multiple IPC classifications spanning peptide chemistry, pharmaceutical compositions, and diagnostic methods. Designated states include all major European Patent Convention member states.\n\nFor biotechnology and pharmaceutical companies, this patent establishes intellectual property protection for biotin-streptavidin based cancer therapeutics. Competitors developing similar compounds should review freedom-to-operate positions. Research institutions may need to consider licensing terms for academic or commercial applications involving these modified compounds.

What to do next

  1. Monitor for competitive patent activity in biotin-streptavidin space
  2. Review licensing opportunities for cancer treatment applications

Archived snapshot

Apr 8, 2026

GovPing 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.

← EPO Patent Bulletin

MODIFIED BIOTIN, STREPTAVIDIN MUTANT, AND USAGE OF THEM

Publication EP3842440A2 Kind: A2 Apr 01, 2026

Applicants

CompleCure, Inc.

Inventors

SUGIYAMA, Akira, DOI, Hirofumi, KODAMA, Tatsuhiko, INOUE, Tsuyoshi, MIZOHATA, Eiichi, KAWATO, Tatsuya, MESHIZUKA, Tomohiro, KANAI, Motomu, SHIMIZU, Yohei, TAKASU, Noriaki, TAKATSU, Mari

IPC Classifications

C07D 519/00 20060101AFI20210601BHEP A61K 39/395 20060101ALI20210601BHEP A61K 49/00 20060101ALI20210601BHEP C07K 14/36 20060101ALI20210601BHEP C12N 15/09 20060101ALI20210601BHEP C07K 16/28 20060101ALI20210601BHEP C12Q 1/68 20180101ALI20210601BHEP G01N 33/53 20060101ALI20210601BHEP A61P 35/00 20060101ALI20210601BHEP

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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Last updated

Classification

Agency
EPO
Published
April 1st, 2026
Instrument
Notice
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
EP3842440A2

Who this affects

Applies to
Pharmaceutical companies Biotechnology companies
Industry sector
3254.1 Biotechnology
Activity scope
Patent grant Biotechnology research Cancer treatment
Geographic scope
European Union EU

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Pharmaceuticals Healthcare

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