Horizon Global Americas v. Curt Manufacturing: Towing Patent War Paused by Bankruptcy

Introduction

What happens when a nearly nine-year patent infringement battle is suddenly interrupted by the plaintiff’s own financial collapse? That is precisely the question posed by Horizon Global Americas, Inc. v. Curt Manufacturing LLC (Case No. 2:17-cv-11879), a high-stakes towing equipment patent litigation filed in the Eastern District of Michigan in June 2017 and formally stayed in March 2026 — not by a verdict, but by a Chapter 11 bankruptcy filing.

The case pitted two of North America’s most prominent towing product manufacturers against each other over eight patents covering trailer hitch systems, brake controllers, and gooseneck safety chain anchors. After more than 3,100 days of litigation involving dozens of attorneys across multiple law firms, the proceedings came to an abrupt procedural halt when Horizon — already a debtor in a broader First Brands Group bankruptcy — filed its own voluntary petition for relief in the Southern District of Texas in September 2025.

For patent attorneys, IP professionals, and R&D teams operating in the automotive accessories and towing equipment space, this case offers critical lessons about patent portfolio management, litigation endurance, and the intersection of IP strategy with corporate financial distress.

Case Overview

The Parties

Patents at Issue

This litigation involved eight U.S. patents covering trailer hitch systems, brake controllers, and gooseneck safety chain anchors, critical components in the towing equipment market. All patents are registered with the U.S. Patent and Trademark Office (USPTO) and protect various functional aspects of towing system technology.

• • US9592863B2 — Trailer hitch system
• • US6068352A — Hitch-related device
• • US6012780A — Towing system component
• • US8360458B2 — Trailer brake controller or related system
• • US8179142B2 — Towing-related electrical or mechanical assembly
• • US9522583B2 — Trailer hitch system variant
• • US8215658B2 — Towing component assembly
• • US9248713B2 — Towing equipment component

The Verdict & Legal Analysis

Outcome

This case did not produce a merits verdict on infringement or validity. The proceedings were stayed by joint stipulation pending resolution of Horizon’s Chapter 11 bankruptcy. No damages were awarded, no injunction was issued, and no claim construction ruling appears in the final record. The case is formally closed at the district court level but remains legally unresolved on the underlying patent infringement claims.

The Bankruptcy Stay: Legal Framework

Under 11 U.S.C. § 362, the automatic stay provisions of the Bankruptcy Code generally halt all litigation actions against a debtor upon the filing of a voluntary petition. Here, Horizon — as plaintiff rather than defendant — and Curt jointly agreed to extend the stay to the entire proceeding, reflecting a practical recognition that pursuing or defending complex patent litigation during active bankruptcy reorganization is neither efficient nor financially prudent.

The stipulation contains several strategically significant provisions:

• Biannual status reports ensure the Eastern District of Michigan retains supervisory jurisdiction.
• 30-day reactivation window after bankruptcy resolution preserves Horizon’s (or a successor’s) ability to reassert claims promptly.
• Rule 26(e) discovery supplementation remains permissible, ensuring evidentiary records stay current.
• No waiver of claims or defenses — critically, neither party abandoned their substantive litigation positions.

Legal Significance

The most consequential legal question now shifts from patent infringement to bankruptcy asset treatment: specifically, whether Horizon’s patent infringement claims against Curt constitute valuable litigation assets that will be monetized, sold, or abandoned in the Chapter 11 reorganization.

Under bankruptcy law, pending litigation claims are property of the debtor’s estate under 11 U.S.C. § 541. A plan of reorganization, asset sale, or litigation trust could transfer these claims to a successor entity, which would then inherit the right to lift the stay and resume litigation. Alternatively, if claims are abandoned or released as part of a settlement with Curt during bankruptcy proceedings, the case would conclude without any patent ruling.