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  • Professionals (430)
  • Capabilities (88)
  • Experience (93)
  • Insights & News (3,973)
  • Other Results (123)

Professionals 430 results

Olga Loy
Olga Loy
Partner
  • Chicago
Email
+1 312-558-6338
vCard

Partner

  • Chicago
James N. Mastracchio
James N. Mastracchio
Partner
  • Washington, DC
Email
+1 202-282-5849
vCard

Partner

  • Washington, DC
Susan Elizabeth Seabrook
Susan Elizabeth Seabrook
Partner
  • Washington, DC
Email
+1 202-282-5220
vCard

Partner

  • Washington, DC
View All Professionals

Capabilities 88 results

Practice Area

Tax

With an international geographic reach, Winston & Strawn’s integrated tax practice addresses virtually all areas of tax law. Our group of 40 tax attorneys is well-versed in representing some of the largest public and privately-held corporations, exempt organizations, and large estates....Read more

Practice Area

Tax Controversy & Criminal Tax

Our Tax Controversy attorneys advise and represent clients in every aspect of federal and state tax investigations, as well as the criminal tax enforcement process. This includes the Internal Revenue Service’s (IRS) multi-jurisdictional examinations and administrative appeals, U.S. Competent Authority representations, post appeals mediation, and trial court and appellate litigation in every federal court hearing a tax matter....Read more

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....Read more

Experience 93 results

Experience

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May 27, 2025

PicoCELA Inc. Closes $1.8 Public Offering

Experience

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May 15, 2025

Winston Secures Federal Circuit Victory for Snap Axing Image-Presentation Patents on the Pleadings

Experience

|

May 9, 2025

An Am Law LOTW Shout Out-Worthy Gold Medal Victory In $Jenner

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Insights & News 3,973 results

Investigations, Enforcement, & Compliance Alerts

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August 18, 2025

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2 Min Read

PE Company on Hook for Portco’s False Claims Act Cybersecurity Violations

DOJ False Claims Act (FCA) settlements related to cybersecurity typically have focused on false representations by a government contractor of its compliance with cybersecurity requirements. A recently announced settlement shows that private equity owners are not immune from potential FCA liability.

Direct Sellers Update: Regulation, Law & Policy

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August 11, 2025

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10+ Min Read

Robinson-Patman Act Enforcement in the Direct-Selling Industry: A Clearer Look

With renewed enforcement of the Robinson-Patman Act against illegal price discrimination looming, direct-selling companies should reassess their pricing models. The FTC has made clear that tiered wholesale pricing, which gives higher-ranked distributors more favorable terms than their lower-ranked counterparts, can create significant legal risks under antitrust laws.

Competition Corner

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August 11, 2025

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6 Min Read

Epic v. Google: Setting the Bar for Affirmative Antitrust Remedies in the Digital Age

The July 2025 decision by the Ninth Circuit Court of Appeals in Epic Games v. Google marks a landmark development in the ongoing evolution of antitrust remedies for unilateral conduct in the technology sector. The court’s willingness to affirm not just prohibitory, but also mandatory, forward-looking injunctions—requiring Google to take affirmative steps to open its Android app ecosystem to competition—signals a vigorous approach to restoring competition in digital platforms.

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Other Results 123 results

Site Content

What Is the Dodd-Frank Act?

The full name of the Dodd-Frank Act is the Dodd-Frank Wall Street Reform and Consumer Protection Act. It was passed in 2010 to regulate the financial market and protect consumers from risky financial practices. The legislation and its rules cover the following:...Read more

Site Content

What Is Tax Evasion?

Tax evasion is the failure to pay or the deliberate underpayment of federal income taxes. The U.S. income tax system is based on voluntary compliance, and it is the taxpayer’s responsibility to report all income and to pay all taxes due. Tax evasion is a known violation of a legal duty, and may result in monetary penalties, imprisonment, or both....Read more

Site Content

What Is a Tax Authority?

A tax authority is a government body or agency responsible for collecting taxes, administering tax laws, and enforcing tax compliance. In the United States, the Internal Revenue Service (IRS) is the federal tax authority. Most states, territories, and local jurisdictions also have tax authorities to ensure compliance with applicable state and local laws and regulations. These tax authorities are generally responsible for collecting taxes, administering tax laws, and enforcing tax compliance in their respective jurisdictions....Read more
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