U.S. Court Confirms AK Steel Does Not Infringe on Patent | SYS-CON MEDIA

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U.S. Court Confirms AK Steel Does Not Infringe on Patent

Company Can Continue To Sell Its ULTRALUME® Product

By PR Newswire	Article Rating:
March 22, 2013 05:44 PM EDT	Reads:	199

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WEST CHESTER, Ohio, March 22, 2013 /PRNewswire/ -- AK Steel (NYSE: AKS) said that the United States Court of Appeals for the Federal Circuit denied, on March 20, 2013, ArcelorMittal's petition for re-hearing in its patent infringement lawsuit involving aluminized boron steel.

This week's court decision again confirms that AK Steel does not infringe the patent and can sell its ULTRALUME® aluminized boron steel product. AK Steel's ULTRALUME® product is utilized for hot-stamped, press-hardened applications where the ultimate tensile strength is less than 1,500 MPa.

AK Steel's ULTRALUME® is an advanced high-strength steel that is growing in popularity for various automotive applications. AK Steel said that ULTRALUME® has been accepted for use by numerous automotive original equipment manufacturers (OEMs).

AK Steel
AK Steel produces flat-rolled carbon, stainless and electrical steels, primarily for automotive, infrastructure and manufacturing, construction and electrical power generation and distribution markets. The company employs about 6,100 men and women in Middletown, Mansfield, Coshocton and Zanesville, Ohio; Butler, Pennsylvania; Ashland, Kentucky; Rockport, Indiana; and its corporate headquarters in West Chester, Ohio. Additional information about AK Steel is available on the company's web site at www.aksteel.com.

AK Tube LLC, a wholly-owned subsidiary of AK Steel, employs about 300 men and women in plants in Walbridge, Ohio and Columbus, Indiana. AK Tube produces carbon and stainless electric resistance welded (ERW) tubular steel products for truck, automotive and other markets. Additional information about AK Tube LLC is available on its web site at www.aktube.com.

AK Coal Resources, Inc., another wholly-owned subsidiary of AK Steel, controls and is developing metallurgical coal reserves in Somerset County, Pennsylvania. AK Steel also owns 49.9% of Magnetation LLC, a joint venture headquartered in Grand Rapids, Minnesota, which produces iron ore concentrate from previously mined ore reserves.

SOURCE AK Steel

Published March 22, 2013 – Reads 199
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