LG Electronics, Inc. et al. v. Maxell, Ltd.

IPR2025-00519

LG Electronics petitions the PTAB to institute an IPR on Maxell’s ‘188 patent, asserting that claims 1‑9 are obvious over multiple prior‑art references covering thumbnail image editing and protection.

Jurisdiction
US PTAB
Case Number
IPR2025-00519
Decision Date
21 January 2025
Filing Date
21 January 2025

Detailed Summary

In Petition IPR2025‑00519, LG Electronics, Inc. challenges U.S. Patent No. 7,421,188 owned by Maxell, Ltd., asserting that claims 1‑9 are unpatentable under 35 U.S.C. §103. The petition identifies six primary prior‑art references—Yoshida, Terashita, Dow, Murakami, Tezuka, and Miyasaka—and argues that various combinations of these references render the asserted claims obvious. LG also addresses discretionary denial issues under §314(a) (Fintiv) and §325(d), contending that the Board should not preclude institution. The petition includes a declaration from Dr. Benjamin B. Bederson and cites extensive prosecution history and expert testimony to support its position.

Practitioner Note

This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in LG Electronics, Inc. et al. vs Maxell, Ltd. is valuable context for structuring arguments or assessing risk in similar proceedings.

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