Near Field Electronics LLC v. Barnes & Noble Booksellers, Inc.
| Filed | 2026-07-17 |
|---|---|
| Court | E.D. Tex. |
| Docket | 4:26-cv-00871 |
| Nature of suit | 830 Patent |
| Practice area | Patent |
| Plaintiff | Near Field Electronics LLC |
| Defendant | Barnes & Noble Booksellers, Inc. |
| Complaint | Download the complaint (PDF, free) |
What the complaint alleges
Near Field Electronics LLC sued Barnes & Noble Booksellers, Inc. in the U.S. District Court for the Eastern District of Texas, alleging infringement of five patents related to USB and NFC technology used in contactless credit card payment transactions. The plaintiff claims Barnes & Noble directly infringed the patents by using NFC front-end components, such as the NXP PN512, at its point-of-sale terminals.
Claims asserted
- Patent infringement - 35 U.S.C. § 1 et seq. - U.S. Patent No. 6,691,201 (Dual Mode USB-PS/2 Device)
- Patent infringement - 35 U.S.C. § 1 et seq. - U.S. Patent No. 6,742,071 (Real-time I/O Processor Used to Implement Bus Interface Protocols)
- Patent infringement - 35 U.S.C. § 1 et seq. - U.S. Patent No. 6,959,350 (Configurable USB Interface With Virtual Register Architecture)
- Patent infringement - 35 U.S.C. § 1 et seq. - U.S. Patent No. 6,996,727 (Power Supply for Universal Serial Bus Interface with Programmable Bus Pullup Resistor)
- Patent infringement - 35 U.S.C. § 1 et seq. - U.S. Patent No. 7,373,531 (Signal Detection Method, Frequency Detection Method, Power Consumption Control Method, Signal Detecting Device, Frequency Detecting Device, Power Control Consumption Device and Electronic Apparatus)