October Term 2013 · Docket 12-786

Does indirect patent infringement require direct infringement?

Limelight argues that inducing infringement requires direct infringement. Akamai argues that inducement liability exists without it.

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Limelight Networks, Inc. v. Akamai Technologies, Inc.
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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

    Mr. Panner argued that the Patent Act text requires direct infringement for indirect liability.

    Ms. Anders argued that the Federal Circuit's holding on inducement liability is legally incorrect.

    Mr. Waxman argued that Limelight's theory allows parties to divide steps without liability.

    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

The dispute centers on Section 271(b) of the Patent Act. Limelight seeks to limit liability. Akamai seeks to expand it.

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How the case got here

The Supreme Court heard oral argument in this case on April 30, 2014.

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What each side wants

Limelight wants the Court to require direct infringement for inducement liability.

Akamai wants the Court to allow inducement liability without direct infringement.

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What each side says

Limelight argues that Section 271(b) requires actionable direct infringement under Section 271(a).

Akamai argues that parties can divide method steps to avoid liability under Limelight's theory.

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What the justices asked

Chief Justice Roberts asked if Limelight's position makes it easy to bypass patent protection.

Justice Kennedy asked if the rule should differ for method patents versus device patents.

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Why it matters

This case defines the scope of patent liability. It determines how companies structure their operations. It affects the enforceability of method patents.

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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

Title and summary sources

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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