Interleukin-31 Monoclonal Antibody

Patent No. EP3653645 (titled "Interleukin-31 Monoclonal Antibody") was filed by Zoetis Services on Jul 5, 2012. The application was issued on Aug 21, 2024.

Patent Summary

Anti-IL-31 antibodies for treating pruritic conditions in dogs and cats, comprising a variable light chain and a variable heavy chain, and variants thereof with conservative amino acid substitutions. The antibodies specifically bind to canine IL-31, inhibit its activity, and prevent its binding to the IL-31 receptor complex. The antibodies are useful for treating conditions such as atopic dermatitis, eczema, and pruritus in dogs and cats.

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Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
MARGARET DIXONMay 21, 2025MEWBURN ELLIS
BOEHRINGER INGELHEIMMay 20, 2025D YOUNG

Dossier Documents

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EP3653645

ZOETIS SERVICES
Application Number
EP19196963A
Filing Date
Jul 5, 2012
Status
Granted And Under Opposition
Jul 19, 2024
Publication Date
Aug 21, 2024