Certain Electronic Devices with Certain Audio Technologies; Inv. No. 337-TA-1521 (Violation)

This supplemental complaint, filed by BoomCloud 360 Inc., supplements its August 14, 2026 Section 337 complaint on certain electronic devices with audio technologies by adding counsel, prosecution history appendices, foreign counterpart tables, accused product category detail, and domestic industry allegations. The document does not identify respondents. The supplement strengthens the original complaint's record on the Asserted Patents' priority and domestic industry investment before the Commission institutes. It concerns mobile phones, tablets and products with spatial and dynamic audio enhancement features. The text does not state the relief sought, but the complaint is filed under Section 337. Complainant BoomCloud 360 Inc. supplements the Complaint (Doc. ID 891672) filed August 14, 2026; respondents are not named in this supplement. Adds Appendices A1, B1 and C1, the prosecution histories of U.S. Provisional 62/592,304, U.S. Provisional 62/936,327 and U.S. Patent No. 10,575,116, from which the Asserted Patents claim priority. The Asserted Patents referenced are U.S. Patent Nos. 10,524,078, 11,533,560 and 11,051,121. Paragraph 19 is expanded to describe accused product categories: mobile phones, tablets, and products with spatial enhancement, dynamic audio enhancement, and crosstalk processing features. Paragraphs 28, 34 and 40 add tables of foreign counterpart applications and patents, and paragraph 75 is revised on prior litigation. Paragraphs 83 and 84 add domestic industry allegations of significant investment in labor, capital, plant and equipment, with details in an Amended Exhibit 7C.