Epic Tech — Federal Circuit vacates sanctions and fee denials for inadequate explanation

Case
Epic Tech, LLC v. Pen-Tech Associates, Inc.
Court
U.S. Court of Appeals for the Federal Circuit
Judge
MOORE, Chief Judge (George W. Bush, 2006); Cunningham, Circuit Judge (Joseph R. Biden, 2021); Subramanian, District Judge (appointment info not available)
Date Decided
September 30, 2026
Docket No.
25-1624
Topics
Patent Eligibility; Rule 11 Sanctions; Attorneys’ Fees; Appellate Review
Source
Read the full opinion

Background

Epic Tech, LLC owns U.S. Patent No. 8,545,317, which concerns an electronic sweepstakes system connecting gaming terminals through a server network. Epic Tech sued Pen-Tech Associates, Inc. for infringement in the Northern District of Georgia. The district court ultimately granted Pen-Tech summary judgment and declared the asserted claims invalid under 35 U.S.C. § 101.

Pen-Tech sought Rule 11 sanctions and attorneys’ fees and costs under 35 U.S.C. § 285, 28 U.S.C. § 1927, and the district court’s inherent power. It argued that Epic Tech and its counsel had notice of serious eligibility problems from the Supreme Court’s Alice decision, post-Alice § 101 rejections in three related patent applications, and a ruling that claims of a related patent were ineligible. The district court denied all requested relief, concluding that the conduct was not frivolous, the case was not exceptional, and the litigation was not pursued unreasonably or vexatiously.

The Court’s Holding

The Federal Circuit vacated the denials of Rule 11 sanctions and attorneys’ fees and costs because the district court had not supplied enough reasoning for meaningful appellate review. The district court focused on Epic Tech’s pre-suit infringement investigation but did not adequately address Pen-Tech’s distinct contention that Epic Tech should have investigated validity after receiving multiple indicators that the asserted claims might be ineligible under § 101.

The appellate court emphasized that Alice, the PTO’s rejections of claims in related applications, and the related-patent ruling collectively created a compelling validity concern that could not be answered solely by invoking the patent’s presumption of validity. It did not hold that Epic Tech or its counsel violated Rule 11, that continued assertion of the patent was unreasonable, or that Pen-Tech was entitled to fees or costs. It remanded so the district court could reconsider the motions and provide a sufficiently reasoned explanation.

Key Takeaways

  • A district court deciding sanctions or fee motions must explain its reasoning sufficiently to permit meaningful appellate review.
  • A reasonable pre-suit infringement investigation does not necessarily answer a separate argument that known eligibility concerns required investigation of patent validity.
  • The Federal Circuit expressed no view on whether sanctions or fees should ultimately be awarded; it vacated and remanded because the existing analysis was inadequate.

Why It Matters

The decision highlights that patent owners and their counsel may need to assess validity concerns raised by intervening precedent, related PTO proceedings, and litigation involving related patents before filing or continuing an infringement action. Reliance on the statutory presumption of validity may not, by itself, answer a sanctions theory supported by multiple concrete warning signs.

The ruling also reinforces the obligation of trial courts to address the actual theory advanced in sanctions and fee motions. When the asserted theory concerns notice of potential invalidity, analysis limited to infringement diligence will not necessarily support appellate review.

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