When Is The Possession of International Trade Secrets A Mistake Or Economic Espionage: Contrasting U.S. v. Yeh with U.S. v. Liew

The judgments rendered in two recent 2014 federal criminal cases reveal the inherent complexity in prosecuting international trade secret misappropriation claims.

In U.S. v. Liew, Judge White of the U.S. District Court for the Northern District of California sentenced defendant Walter Liew to 15 years in prison for misappropriating trade secrets from chemical giant DuPont and selling them to an overseas Chinese company known as the Pangang Group, based in Chengdu. It was proven during the trial that Liew and his company, ironically named USA Performance Technology, received over $27.8 million in compensation for selling DuPont’s industrial trade secrets to Pangang, the trade secrets including technical blueprints belonging to DuPont related to the manufacturing of titanium dioxide, a white-colored pigment used in many commonplace consumer products such as paper and plastic. Thus, Liew’s intent to misappropriate trade secrets was established beyond a reasonable doubt by U.S. Attorneys.

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