Another win for Kymab in bellwether patent dispute
US biotech Regeneron Pharmaceuticals (Nasdaq: REGN) has failed to invalidate a fifth Kymab patent, covering genetically-modified mice used to produce human antibody therapeutics.
A September 2019 application at the US Patent Office’s appeal board failed to overturn four other patents held by the firm, part of a series covering this technology.
The Patent Trial & Appeal Board (PTAB) noted that the firm “has not demonstrated that the examiner materially erred in considering the prior art and arguments,” and Regeneron has not requested a re-hearing.
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