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Biocon Biologics Limited et al. Post grant review

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Case Number:

PGR2026-00039

Case Type:

PGR

Status:

Discretionary Denial

Petitioner:

Biocon Biologics Limited et al.

Patent Number:

12,168,036

  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.

  2. August 07, 2026

    New Squires Order Institutes 4 Patent Reviews, Denies 6

    U.S. Patent and Trademark Office Director John Squires has instituted review of four patents and denied six other petitions in his latest round of decisions.