Patent No. EP1968630 (titled "Multivalent Pcv2 Immunogenic Compositions And Methods Of Producing Such Compositions") was filed by Boehringer Ingelheim on Dec 28, 2006. The application was issued on Jan 24, 2018.

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 |
|---|---|---|
| LABORATORIOS HIPRA | Oct 24, 2018 | GRUNECKER PATENT |
| ELANCO | Oct 23, 2018 | POTTER CLARKSON |
| INTERVET | Oct 23, 2018 | INTERVET |
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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