Case Number:

PGR2026-00039

Case Type:

PGR

Status:

Discretionary Denial

Petitioner:

Biocon Biologics Limited et al.

Patent Number:

12,168,036

1. Filed: April 02, 2026 00:00

   Coverage

   1. September 25, 2026

      Squires Says Biocon Challenge To Eylea Patent Filed Too Late

      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.

   1 other articles on this case. View all »

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