Patent No. EP2705057 (titled "Therapeutic Canine Immunoglobulins And Methods Of Using The Same") was filed by Nexvet Australia on May 8, 2012. The application was issued on Sep 21, 2016.

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.
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