October Term 2014 · Docket 13-720

Can patent holders collect royalties after their patents expire?

Kimble argues that post-expiration royalties violate patent law. Marvel argues that such payments remain valid.

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Kimble v. Marvel Enterprises, 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

    Kimble's counsel argued that Brulotte is a rule without a reason.

    Kimble's counsel claimed that post-expiration royalties are often socially beneficial.

    Marvel's counsel argued that Brulotte serves important public interests.

    Marvel's counsel stated that Congress is the proper body to change the law.

    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

This case tests whether patent holders can demand payments for use after their patent terms end. The lower court ruled against Kimble. Kimble seeks to overturn that result. Marvel seeks to keep that result in place.

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How the case got here

The Supreme Court heard oral argument in this case on March 31, 2015.

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What each side wants

Kimble wants the Court to ban post-expiration royalties.

Marvel wants the Court to allow post-expiration royalties.

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What each side says

Kimble argues that the Brulotte precedent is outdated and harmful.

Marvel argues that Brulotte remains correct and Congress should change the law.

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What the justices asked

Justice Sotomayor asked what parties are doing now.

Justice Breyer asked how to reconcile long-term deals with limited patent terms.

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Why it matters

This dispute defines the boundary of patent rights. It affects how inventors and companies structure licensing deals. It determines whether patent holders can extend their financial control beyond the statutory term. It shapes the balance between private profit and public access to expired inventions.

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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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