Patent No. EP3432890 (titled "Product, In Particular Nutritional Supplement, Animal Feed, Foodstuff, Drug, Cosmetic And/Or Animal Feed Supplement For Supplying At Least One Molecule That Bonds To A Vitamin D Receptor, And Method For The Production Thereof") was filed by Bter on Mar 22, 2017. The application was issued on Jul 12, 2023.

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 |
|---|---|---|
| HERBONIS ANIMAL HEALTH | Apr 12, 2024 | STRAUS |
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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