• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia
white collar crime

Court sentences U.S. businessman to 15 years in DuPont espionage case

By
Tom Huddleston Jr.
Down Arrow Button Icon
By
Tom Huddleston Jr.
Down Arrow Button Icon
July 10, 2014, 5:22 PM ET

A San Francisco federal court has sentenced U.S. businessman Walter Liew to 15 years in prison for stealing trade secrets from chemical giant DuPont and then selling them to a state-owned Chinese company.

Liew’s sentence, which was first reported Thursday by Reuters, comes four months after he was convicted of more than 20 criminal counts, including conspiracy to commit economic espionage and trade secret theft, by a federal jury. Liew was found guilty of paying former DuPont (DD) employees – including engineer Robert Maegerle, who was also convicted earlier this year – to provide the company’s trade secrets, which Liew then used to help the Chinese company Pangang Group develop the white pigment chloride-route titanium dioxide. The pigment can be used in a range of products, from paper to paint to plastic.

Liew’s sentence also includes a $28 million fine to cover the amount Liew and his company, USA Performance Technology, received from Pangang.

At the time of Liew’s conviction, in March, U.S. Attorney Melinda Haag said that combatting economic espionage is a top government priority, adding that “foreign governments threaten our economic and national security by engaging in aggressive and determined efforts to steal U.S. intellectual property.”

About the Author
By Tom Huddleston Jr.
See full bioRight Arrow Button Icon

Latest in International

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025

Most Popular

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Rankings
  • 100 Best Companies
  • Fortune 500
  • Global 500
  • Fortune 500 Europe
  • Most Powerful Women
  • Future 50
  • World’s Most Admired Companies
  • See All Rankings
Sections
  • Finance
  • Leadership
  • Success
  • Tech
  • Asia
  • Europe
  • Environment
  • Fortune Crypto
  • Health
  • Retail
  • Lifestyle
  • Politics
  • Newsletters
  • Magazine
  • Features
  • Commentary
  • Mpw
  • CEO Initiative
  • Conferences
  • Personal Finance
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Fortune Brand Studio
  • Fortune Analytics
  • Fortune Conferences
  • Business Development
About Us
  • About Us
  • Editorial Calendar
  • Press Center
  • Work At Fortune
  • Diversity And Inclusion
  • Terms And Conditions
  • Site Map

Most Popular

placeholder alt text
Future of Work
Meet a 55-year-old automotive technician in Arkansas who didn’t care if his kids went to college: ‘There are options’
By Muskaan ArshadDecember 21, 2025
1 day ago
placeholder alt text
Future of Work
A Walmart employee nearly doubled her pay after entering its pipeline for skilled tradespeople. 'I was able to move out of my parents' house'
By Anne D'Innocenzio and The Associated PressDecember 20, 2025
1 day ago
placeholder alt text
Success
Multimillionaire musician Will.i.am says work-life balance is for people 'working on someone else’s dream'—he grinds from 5-to-9 after his 9-to-5
By Orianna Rosa RoyleDecember 21, 2025
20 hours ago
placeholder alt text
Economy
For the first time since Trump’s tariff rollout, import tax revenue has fallen, threatening his lofty plans to slash the $38 trillion national debt
By Sasha RogelbergDecember 12, 2025
10 days ago
placeholder alt text
Economy
Even if the Supreme Court rules Trump's global tariffs are illegal, refunds are unlikely because that would be 'very complicated,' Hassett says
By Jason MaDecember 21, 2025
13 hours ago
placeholder alt text
Success
The scientist who helped create AI says it’s only ‘a matter of time’ before every single job is wiped out—even safer trade jobs like plumbing
By Orianna Rosa RoyleDecember 19, 2025
3 days ago

© 2025 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.

0