October Term 2014 · Docket 13-854

Who decides disputed facts in patent claim construction?

Teva and Sandoz dispute whether appellate courts must defer to trial judges on factual findings during patent claim construction.

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Teva Pharmaceuticals USA, Inc. v. Sandoz, Inc.
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Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — 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. Jay argued that trial judges find facts in this case. He stated that appellate courts should defer to those findings. He emphasized the presence of contested facts in the record.

    Ms. Anders argued that factual findings rely on evidence outside the patent. She distinguished these findings from pure legal inferences. She contended that deference applies to evidence-based determinations.

    Mr. Phillips argued that the distinction between facts and law is clear. He suggested that few cases involve contested facts in claim construction. He maintained that legal questions require de novo review.

    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

Teva Pharmaceuticals and Sandoz argue over the standard of review for patent claim construction. Teva argues trial judges find facts. Sandoz argues claim construction is a legal question. The Court must decide which standard applies.

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How the case got here

The Supreme Court heard oral argument in this case on October 15, 2014.

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What each side wants

Teva wants the Supreme Court to require appellate courts to defer to trial judges on factual findings in claim construction.

Sandoz wants the Supreme Court to allow appellate courts to review claim construction de novo without deference.

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What each side says

Teva argues that claim construction often relies on subsidiary facts. Trial judges are best positioned to weigh evidence. Appellate courts should apply a deferential standard under Rule 52.

Sandoz argues that claim construction is a question of law. Appellate courts must review these determinations de novo. This ensures uniform interpretation of patent rights.

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What the justices asked

Justice Sotomayor asked about the hybrid nature of claim construction in prior cases.

Justice Kennedy asked whether a skilled artisan would make specific inferences during construction.

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Why it matters

The outcome determines how appellate courts review patent disputes. It affects the cost and duration of patent litigation. It influences the stability of patent rights for pharmaceutical companies.

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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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