Patent No. EP3818078 (titled "Methods Of Producing Recombinant Proteins") was filed by Bristol Myers Squibb on Jul 2, 2019. The application was issued on Feb 28, 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 |
|---|---|---|
| MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | Nov 28, 2024 | MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB |
| POTTER CLARKSON | Nov 28, 2024 | POTTER CLARKSON |
| STRAWMAN | Nov 27, 2024 | HOFFMANN EITLE |
| BOULT WADE TENNANT | Nov 26, 2024 | BOULT WADE TENNANT |
| ZWICKER SCHNAPPAUF & PARTNER | Nov 26, 2024 | ZWICKER |
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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