GameStop Corp. and Wal-Mart Inc. recently filed original answers to a federal lawsuit accusing them and several other entities of infringing upon patented microprocessor production technology.

Tyler Division of the Eastern District of Texas records show GameStop and Wal-Mart, as well as the discount retailer’s subsidiary Wal-Mart Stores Texas LLC, entered their rebuttals into DSS Technology Management, Inc.’s suit on Sept. 8.

DSS is pursuing legal action on grounds United States Patent Number 5,965,924 (“the ’924 patent”), titled “Metal Plug Local Interconnect”, and U.S. Patent No. 6,784,552 (“the ’552 Patent”), titled “Structure Having Reduced Lateral Plug Erosion,” were the basis of products made, sold, used, imported, exported and offered for sale without its permission.

The Plano-based plaintiff filed the suit earlier this year. Intel Corporation; Dell, Inc.; Conn’s Inc.; Conn Appliances, Inc.; and AT&T Inc. are GameStop and Wal-Mart’s co-defendants in the case.

GameStop and Wal-Mart argue that neither has infringed any claims of the ‘924 Patent or the ‘552 Patent, stating DSS’s allegations are invalid. DSS also took too much time to assert ownership of the patents in question, according to the respondents.

DSS is represented by the law firms Bruster PLLC in Southlake, Nix Patterson & Roach LLP in

Daingerfield and The Davis Firm, PC in Longview while Sheppard Mullin Richter & Hampton LLP in San Francisco is Wal-Mart’s lead counsel and The Webb Law Firm in Pittsburgh, Pa. GameStop’s representation.

Tyler Division of the Eastern District of Texas Case No. 6:15-CV-130

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