Squires Says Biocon Challenge To Eylea Patent Filed Too Late
By Adam Lidgett ( September 25, 2026, 6:37 PM EDT) -- U.S. Patent and Trademark Office Director John Squires has explained why he rejected Biocon Biologics' challenge to a Regeneron Pharmaceuticals Inc. patent covering the eye disorder drug Eylea — because Biocon waited too long to bring the challenge....
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