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Patent No. EP3212667 (titled "Pharmaceutical Anti-Tnf-Alpha Antibody Formulation") was filed by Richter Gedeon Nyrt on Oct 28, 2015. The application was issued on Sep 19, 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 |
|---|---|---|
| SAMSUNG BIOEPIS | Dec 12, 2019 | PATENT BOUTIQUE |
| BIOGEN | Jun 19, 2019 | PATENT BOUTIQUE |
| SAMSUNG BIOEPIS | Jun 19, 2019 | PATENT BOUTIQUE |
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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