Patent No. EP3328416 (titled "Use Of C-Type Natriuretic Peptide Variants To Treat Skeletal Dysplasia") was filed by Biomarin Pharmaceutical on Aug 1, 2016. The application was issued on Mar 13, 2024.

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 |
|---|---|---|
| GRAF VON STOSCH PATENTANWALTSGESELLSCHAFT | Dec 13, 2024 | LEPTHIEN |
| SANDOZ | Dec 12, 2024 | TER MEER STEINMEISTER & PARTNER |
| TEVA PHARMACEUTICALS | Dec 12, 2024 | KRAUS & LEDERER PARTGMBB |
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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