Extensions

Analysis of U.S. Patent 9,402,120: "Wireless earbuds"

As of May 14, 2026, U.S. Patent 9,402,120, titled "Wireless earbuds," is active, with a projected expiration date of September 5, 2034. The patent has been the subject of multiple litigation actions.

There is no record of any Patent Term Adjustments (PTA) or Patent Term Extensions (PTE) for this patent. The standard 20-year term from its filing date is applied.

Continuity and Application History

U.S. Patent 9,402,120 was granted from application number 14/478,698, which was filed on September 5, 2014. The patent was issued on July 26, 2016. The provided documentation does not indicate any continuation or divisional applications associated with this patent.

Patent Family

This U.S. patent is part of a larger international patent family, claiming priority to applications in other jurisdictions:

• PCT Application: PCT/SE2015/050941, filed on September 7, 2015.
• European Patent Application: EP15838760.5A, also with a priority date of September 7, 2015.

Litigation History

U.S. Patent 9,402,120 has been asserted in multiple legal disputes. According to public records, the following litigation has been identified:

• U.S. District Court for the District of Delaware:
  • 1:24-cv-00274
  • 1:24-cv-00275
  • 1:26-cv-00276
  • 1:26-cv-00277
• U.S. District Court for the Northern District of Ohio:
  • 5:25-cv-01534

Additionally, the patent was the subject of a petition for inter partes review (IPR) before the Patent Trial and Appeal Board (PTAB):

• PTAB Case: IPR2025-00690. The petition was not instituted, meaning the board did not proceed with a trial on the merits of the patent's validity based on the arguments presented.

This history of litigation indicates that the patent holder, Earin AB, has actively enforced its patent rights.