Search

MediaTek Patent: Authentication Rejection Wireless Parameter Handling

MediaTek Inc. has filed US Patent Application US20260100835A1 for systems and methods handling wireless communication device parameters upon authentication rejection. The device deletes a network list (PLMN or SNPN) and resets multiple counters including registration, attach, service, and TAU attempt counters upon receiving an authentication reject message. The system comprises a transceiver and processor configured to perform these operations during registration, attach, or tracking area update procedures.

EP3902142A1 QC-LDPC Coding Patent, MediaTek, April 2026

MediaTek Inc. has been granted European Patent EP3902142A1 for QC-LDPC (Quasi-Cyclic Low-Density Parity-Check) coding methods and apparatus, published on 15 April 2026. The patent covers IPC classifications H03M 13/11, H03M 13/00, H04L 1/00, H04L 1/18, and H03M 13/03, relating to error correction coding in digital communications. Protection extends to all designated EPC contracting states including AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, and TR.

Realtek v. Mediatek - Antitrust Discovery Dispute

Realtek Semiconductor Corp. filed this antitrust lawsuit against Mediatek, Inc. in the Northern District of California on June 6, 2023. The case has expanded to include Future Link Systems LLC and IPValue Management Inc., with multiple discovery disputes generating recent filings in April 2026. Sealing motions and competing motions to compel deposition testimony have been filed by all parties, with Judge Susan van Keulen issuing discovery rulings on April 15 and April 21, 2026.