Litigation involving US Patent 9402120B2

9402120B2

Earin AB v. Skullcandy, Inc.

Active

Docket:: 1:24-cv-00275
Court:: U.S. District Court for the District of Delaware
Filed:: 2024-03-01

Earin AB alleges that Skullcandy's Rail ANC True Wireless earbuds infringe the '120 patent. The court denied Skullcandy's motion to dismiss in November 2024, and Skullcandy has filed a petition for Inter Partes Review (IPR) of the patent.

Earin AB v. Sennheiser Electronic Corporation

Settled

Docket:: 1:24-cv-00274
Court:: U.S. District Court for the District of Delaware
Filed:: 2024-03-01
Terminated:: 2024-04-25

Patents:9402120B2

π Earin AB Δ Sennheiser Electronic Corporation

This case was terminated via a stipulation of dismissal filed on April 25, 2024, indicating the parties settled the dispute.

Earin AB v. Audio-Technica U.S., Inc.

Active

Docket:: 5:25-cv-01534
Court:: U.S. District Court for the Northern District of Ohio
Filed:: 2025-07-23

Patents:9402120B2

π Earin AB Δ Audio-Technica U.S., Inc.

This case is in its early stages. An amended complaint filed on January 16, 2026, explicitly includes an allegation of infringement of U.S. Patent No. 9,402,120 B2.