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Home / Decisions / United States Court of Appeals for the Federal Circuit / Calderon Lopez v. Commissioner of Social Security
Fed. Cir.

Calderon Lopez v. Commissioner of Social Security

May 22, 2026 ·26-135 ·Panel Decision · By Raj Patel

The United States Court of Appeals for the Federal Circuit dismissed an appeal filed by Ricardo J. Calderon Lopez. The court held that it lacks jurisdiction over decisions from the United States Court of Appeals for the Ninth Circuit.

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Key takeaways

  • Holding: The Federal Circuit dismissed the appeal because it lacks jurisdiction to review decisions from the Ninth Circuit.
  • Vote: Per curiam order dismissing the appeal.
  • Practical effect: The appeal was dismissed, leaving the Ninth Circuit's denial of the writ of mandamus in place.

Background

Ricardo J. Calderon Lopez filed an appeal purporting to challenge a decision by the United States Court of Appeals for the Ninth Circuit that denied his petition for a writ of mandamus.

The court’s reasoning

The court noted that decisions of the Ninth Circuit fall outside its jurisdiction. The court cited prior orders explaining this jurisdictional limitation.

What it means going forward

The appeal was dismissed, leaving the Ninth Circuit’s denial of the writ of mandamus in place.

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Civil Social Security

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Background The court’s reasoning What it means going forward

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