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  • Professionals (423)
  • Capabilities (89)
  • Experience (96)
  • Insights & News (4,006)
  • Other Results (123)

Professionals 423 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 89 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 96 results

Experience

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November 7, 2025

Precision Aviation Group - Acquisition of Helicopter Engine Repair Overhaul Services

A team led by Austin Leach and Justin Levy represented Precision Aviation Group (PAG) in its acquisition of H.E.R.O.S., a premier Rolls-Royce M250/RR300 engine MRO provider, and its affiliate, Hye-Tech Manufacturing. ...Read more

Experience

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August 22, 2025

2025 EnCore Convertible Notes Offering

Winston & Strawn LLP represented enCore Energy Corp. (NASDAQ: EU) (TSXV: EU) in its offering of $115M in aggregate principal amount of its 5.50% Convertible Senior Notes due 2030. The proceeds include the full exercise of the option by the initial purchasers to purchase an additional $15M aggregate principal amount of the Convertible Notes granted by enCore to the initial purchasers. The Convertible Notes were sold in a private offering to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended....Read more

Experience

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June 8, 2025

A Team Co-led by Winston & Strawn Negotiates a Landmark Antitrust Class Action Settlement with the NCAA and Its Power 5 Conferences

Secured, with co-counsel, final approval of an historic settlement of over US$2.75B in back-damages for current and former college-athletes and a new revenue-sharing model allowing schools to share future earnings with athletes. This decade-long effort across four different lawsuits redefines the economics of college sports, affirming athlete rights and fair compensation. Following a 9-0 Supreme Court victory in Alston v. NCAA, the team filed three antitrust class actions, resulting in a groundbreaking settlement that creates a revenue-sharing system projected to generate at least US$20B in new, previously prohibited payments and benefits to Division I college athletes over the next decade. The settlement was recognized in Am Law‘s Litigator of the Week column....Read more
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Insights & News 4,006 results

Seminar/CLE

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January 20, 2026

2026 NYC SBIC Fund Conference

Winston & Strawn and RSM US LLP are co-hosting the annual NYC SBIC Fund Conference on Tuesday, January 20, 2026.General and limited partners, chief financial officers, and controllers of small business investment company (SBIC) funds are invited to a half-day seminar covering various topics related to SBIC fund operations, including:...Read more

Article

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January 6, 2026

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5 Min Read

Guardrails Before Greenlights: How Gen AI Will Actually Shape E-discovery in 2026

This article was originally published in LegalTech News. Any opinions in this article are not those of Winston & Strawn or its clients. The opinions in this article are the authors’ opinions only....Read more

Recognitions

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January 5, 2026

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1 Min Read

Ashley Wright Named to D Magazine’s 2026 Best Lawyers Under 40 List

Winston & Strawn Dallas associate Ashley Wright merited a place on D Magazine’s 2026 Best Lawyers Under 40 list which honors the city’s most promising up-and-coming legal professionals. Nominees are put forward by Texas lawyers who have witnessed their exceptional work firsthand, vetted by D Magazine staff, and selected by an anonymous panel of respected lawyers....Read more
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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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