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Patent No. EP3145488 (titled "Liquid Pharmaceutical Composition") was filed by Ares Trading on May 15, 2015. The application was issued on Jul 22, 2020.

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 | Apr 22, 2021 | PATENT BOUTIQUE |
| BIOGEN | Jul 22, 2020 | PATENT BOUTIQUE |
| SAMSUNG BIOEPIS | Jul 22, 2020 | 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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