Patent No. EP3113774 (titled "Compositions Of Grapiprant And Methods For Using The Same") was filed by Aratana Therapeutics on Mar 5, 2015. The application was issued on Jan 26, 2022.

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.
| Company | Opposition Date | Representative |
|---|---|---|
| VIRBAC | Oct 25, 2022 | IPAZ |
| KRKA | Sep 21, 2022 | KUTZENBERGER WOLFF & PARTNER |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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