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Practice Area
Government Program Fraud, False Claims Act & Qui Tam Litigation
Investigations and litigation involving alleged fraud against the government pose a significant and growing threat to organizations and individuals across all industries that engage directly or indirectly in business with federal, state, and/or local governments. The government makes aggressive use of its extensive criminal and civil investigatory powers to root out alleged fraud and abuse implicating government funds, including one of its most powerful civil enforcement tools—the federal False Claims Act (FCA)—and similar state false claims statutes.
Practice Area
White Collar & Government Investigations
Ranked Tier 1 Nationally for “Criminal Defense: White Collar” by Best Law Firms®2025, and recognized for “Corporate Crime & Investigations: Highly Regarded – Nationwide” by Chambers USA in 2025, Winston’s White Collar & Government Investigations Practice assists individuals, companies, and organizations with government investigations and enforcement matters; related criminal and civil litigation; trials; appeals; congressional oversight; internal investigations; and compliance counseling and program development and enhancement. We are comprised of 80+ litigators, with more than a dozen former prosecutors from the SEC, Main Justice, and U.S. Attorneys’ Offices nationwide, including four former U.S. Attorneys, Regional Supervisors, and a former Assistant Director, Enforcement Division, SEC. We are known for our zealous advocacy, our unyielding commitment to our clients, and for protecting and defending clients’ interests with legal acumen that’s second to none.
Experience 60 results
Experience
|November 26, 2025
Winston & Strawn Represented CFS Brands in its Acquisition of Cornerstone Foodservice Group
Winston represented CFS Brands, a portfolio company of TJC, in its acquisition of Cornerstone Foodservice Group, a global leader in foodservice equipment serving both front- and back-of-house applications through a portfolio of established, innovative brands.
Experience
|July 15, 2025
Winston Represented Cuadrilla Capital in the Acquisition of TigerGraph
Winston represented Cuadrilla Capital, a leading enterprise software investment firm, in the strategic investment of TigerGraph, an enterprise AI infrastructure and graph database leader. The investment will facilitate TigerGraph’s continued innovation and accelerate its business growth by positioning TigerGraph to expand its market-leading capabilities in fraud detection, entity resolution, customer 360 initiatives, supply chain management, and other mission-critical enterprise applications.
Experience
|May 9, 2025
An Am Law LOTW Shout Out-Worthy Gold Medal Victory In $Jenner
Winston, led by partners Jeffrey Steinfeld, John Schreiber, and George Mastoris, secured full dismissal of a high-profile securities class action involving hundred of millions of dollars in $Jenner memecoin trades. Plaintiffs alleged securities fraud under federal and California laws. The team was recognized in Am Law’s Litigator of the Week column for the win.
Insights & News 1,166 results
False Claims Act Playbook
|May 14, 2026
|3 Min Read
DOJ Launches FOCUS Initiative, Signaling Increasingly Data-Driven Era of FCA Enforcement
On April 30, 2026, the U.S. Department of Justice’s Civil Division announced a new initiative called the Fraud Oversight through Careful Use of Statistics (“FOCUS”) initiative, aimed at strengthening DOJ’s engagement with so‑called “data miner” whistleblowers who bring False Claims Act (FCA) qui tam actions based on publicly available government data, rather than insider knowledge.
In the Media
|April 15, 2026
|2 Min Read
Anne Murray and Guy Singer Join Winston in White Collar & Government Investigations Practice
Winston & Strawn recently announced that Anne Murray and Guy Singer joined the firm’s Washington, D.C. and New York offices respectively as partners in the Litigation Department. The two bring invaluable white collar defense, corporate investigations, and compliance experience to the firm’s White Collar & Government Investigations Practice. Both are seasoned white-collar defense and compliance attorneys, who represent companies and individuals in matters involving fraud, bribery, corruption, and ethics issues.
In the Media
|April 10, 2026
|2 Min Read
Ashley Chung Joins Winston in Chicago
Winston & Strawn recently announced that Ashley Chung has rejoined the firm’s Chicago office as a partner in the Litigation Department and a member of its Appellate & Critical Motions practice after serving as an Assistant U.S. Attorney. During her tenure at the U.S. Attorney’s Office for the Northern District of Illinois, Ashley prosecuted more than 50 cases, including public corruption, financial fraud, money laundering, child exploitation, and violent crime matters. She oversaw and determined strategy from the investigative stage through charging, pre-trial litigation, plea negotiations or trials, and sentencings. Prior to her public service, Ashley worked on complex commercial litigation, white-collar and regulatory-facing matters, and internal investigations.
Other Results 34 results
Site Content
What Is Healthcare Privacy Law?
Today, healthcare privacy law is driven by the 1996 Health Insurance Portability and Accountability Act (HIPAA) Privacy Rule. This federal privacy rule establishes protections for specific patient health information. Healthcare plans, clearinghouses, and providers are subject to the law.
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What Is Healthcare Security Law?
The Health Insurance Portability and Accountability Act of 1996 (HIPAA) established U.S. regulations to protect the privacy and security of individual health information. The healthcare security law creates these specific protections through both the HIPAA Privacy Rule and the HIPAA Security Rule. The Privacy Rule has set national standards for the protection of certain types of health information. The Security Rule established security standards for protecting consumers’ health information that is stored or transferred electronically. The healthcare Security Rule outlines the operational safeguards that organizations must implement to keep protected electronic health information secure.
Law Glossary
Consumer fraud is commonly defined as deceptive business practices that cause consumers to suffer financial or other losses. The victims believe they are participating in a legal and valid business transaction when they are actually being defrauded. Fraud against consumers is often related to false promises or inaccurate claims made to consumers, as well as practices that directly cheat consumers out of their money.