Patent No. EP3868400 (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 May 13, 2026.

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 | May 13, 2026 | GRUNECKER PATENT |
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