Introduction

Linwei Ding [1] [2] [3] [4] [5] [7] [8], also known as Leon Ding [4], a former Google engineer [1] [2] [5] [6] [7], has been charged by the US Justice Department with multiple counts of economic espionage and theft of trade secrets [2]. The charges relate to the alleged misappropriation of proprietary AI and chip technology from Google LLC.

Description

Linwei Ding [1] [2] [3] [4] [5] [7] [8], also known as Leon Ding [4], a former Google engineer [1] [2] [5] [6] [7], has been indicted on 14 counts by the US Justice Department, including multiple charges of economic espionage and theft of trade secrets related to proprietary AI technology and chip technology from Google LLC. [4] Initially indicted in March 2024 [4], the superseding indictment outlines seven counts each of economic espionage and theft of trade secrets, detailing the significant potential penalties he faces, including lengthy prison terms and substantial fines [1]. Ding [1] [2] [3] [4] [5] [6] [7] [8], who joined Google as a software engineer in 2019, is accused of stealing confidential information about the hardware and software that support Google’s supercomputing data centers [1], which are essential for training large AI models [5]. The indictment alleges that between May 2022 and May 2023, he uploaded over 1,000 confidential files to his personal Google Cloud account [4], including sensitive information about Google’s Tensor Processing Unit (TPU) and Graphics Processing Unit (GPU) systems [4], as well as chip blueprints aimed at enhancing Google’s competitive edge against rivals like Amazon and Microsoft [1].

While employed at Google, Ding reportedly established connections with two technology companies in the People’s Republic of China (PRC) and was offered a position as Chief Technology Officer at Beijing Rongshu Lianzhi Technology in June 2022, which came with a significant salary [5]. He traveled to China during this period to engage in investor meetings for the company [5]. By May 2023 [4] [5], he founded his own technology company [4], Shanghai Zhisuan Technology [5], in the PRC [4], where he serves as CEO. The indictment claims that Ding aimed to benefit the PRC government by stealing trade secrets [4], including critical information about Google’s supercomputing data center [4], and that his startup intended to provide products and services to various PRC-controlled entities, including government agencies and universities [5].

Ding allegedly promoted PRC national policies that encourage domestic AI development and applied for a government-backed talent program in Shanghai designed to incentivize the return of technical expertise from abroad, while keeping his business activities hidden from Google [2]. In his application [5], he asserted that his company’s product would enhance China’s computing infrastructure capabilities to match international standards [4]. Evidence presented includes a PowerPoint presentation highlighting these national policies [5]. If convicted [2] [3] [4] [7] [8], he faces significant penalties [2] [4] [5] [7] [8], with each trade secrets charge carrying a maximum of 10 years in prison and a $250,000 fine [5], while each economic espionage charge could result in up to 15 years in prison and a $5 million fine [5], totaling potential maximum sentences of up to 175 years in prison.

Google has stated that Ding acted independently and emphasized its measures to protect confidential information [3], expressing gratitude for the FBI’s assistance in the matter [3]. The case is being investigated by the FBI [4], which executed a search warrant at Ding’s residence in January 2024 [5], seizing electronic devices and other evidence [5]. The prosecution is being handled by Assistant US Attorneys and Trial Attorneys from the National Security Division [4], as part of a coordinated effort to protect critical technology from authoritarian regimes [4]. The case is part of a broader initiative by the Biden administration to prevent advanced technology from being acquired by nations like China and Russia [1] [6], which could pose national security risks [6]. All defendants are presumed innocent until proven guilty [4].

Conclusion

The indictment of Linwei Ding underscores the significant risks and challenges associated with protecting proprietary technology in an increasingly interconnected global landscape. The case highlights the potential national security implications of economic espionage and the importance of safeguarding critical technological advancements from unauthorized access and exploitation. The ongoing investigation and prosecution reflect a concerted effort by US authorities to address these threats and protect national interests.

References

[1] https://www.gadgets360.com/ai/news/google-engineer-linwei-ding-new-us-charges-ai-secrets-china-7638914
[2] https://www.firstpost.com/tech/ex-google-engineer-charged-with-economic-espionage-for-stealing-secrets-to-boost-chinese-ai-models-13859946.html
[3] https://www.mercurynews.com/2025/02/05/ex-googler-charged-by-us-with-espionage-to-boost-ai-in-china/
[4] https://www.justice.gov/opa/pr/superseding-indictment-charges-chinese-national-relation-alleged-plan-steal-proprietary-ai
[5] https://www.ntd.com/ex-google-engineer-faces-new-charges-over-alleged-theft-of-ai-secrets_1045581.html
[6] https://www.straitstimes.com/world/united-states/ex-google-engineer-faces-new-us-charges-he-stole-ai-secrets-for-chinese-companies
[7] https://decrypt.co/304521/ex-google-employee-charged-with-stealing-ai-trade-secrets-faces-175-years-in-jail
[8] https://www.thestar.com.my/tech/tech-news/2025/02/05/ex-google-engineer-charged-with-espionage-to-boost-ai-in-china