Patent No. EP2854790 (titled "Use Of N-Acetyl-5-Methoxytryptamine Or Analogues Thereof, For Promoting The Mechanism Of Implantation Of The Embryo And Related Compositions And Culture Media") was filed by Ares Trading on May 27, 2013. The application was issued on Aug 29, 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 |
|---|---|---|
| FERRING | May 14, 2019 | ZBM PATENTS APS |
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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