October Term 2013 · Docket 12-1128

Who bears the burden of proving patent infringement in a declaratory judgment action?

Medtronic seeks a ruling that it does not infringe Boston Scientific's patent. Boston Scientific argues Medtronic must prove non-infringement.

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Medtronic Inc. v. Boston Scientific Corp.
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Verified source milestones

  1. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    Medtronic's counsel stated that patent law places the burden of proving infringement on the patentee.

    Medtronic's counsel argued that this burden does not shift in declaratory actions seeking non-infringement.

    Boston Scientific's counsel agreed that the same burden of proof applies in declaratory actions.

    Boston Scientific's counsel argued that the Federal Circuit applied settled law correctly.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

Medtronic wants a court to declare its product does not infringe a patent. Boston Scientific wants Medtronic to prove that claim. The dispute centers on which party must carry the burden of proof.

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How the case got here

The Supreme Court heard oral argument in this case on November 5, 2013.

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What each side wants

Medtronic wants the Court to confirm that the patent holder must prove infringement.

Boston Scientific wants the Court to require Medtronic to prove non-infringement.

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What each side says

Medtronic argues that patent law places the burden of proving infringement on the patent holder.

Boston Scientific argues that the same burden of proof applies in declaratory actions as in direct suits.

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What the justices asked

Justice Kennedy asked if a notice of infringement creates the necessary controversy for a declaratory judgment.

Justice Alito asked if the discussion concerns only the risk of nonpersuasion and not the burden of production.

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Why it matters

This case determines which party must prove patent infringement in declaratory actions. It affects how companies defend against patent claims. It shapes the procedural rules for patent litigation.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

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Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

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