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  • Professionals (598)
  • Capabilities (88)
  • Experience (68)
  • Insights & News (3,595)
  • Other Results (66)

Professionals 598 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 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

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

Appellate & Critical Motions

Our nationally recognized Appellate & Critical Motions (ACM) Practice delivers sophisticated legal advocacy and analysis before trial, at trial, and on appeal. From state trial courts to the U.S. Supreme Court, our ACM attorneys identify, preserve, and present the critical legal issues that can make the difference between winning and losing....Read more

Experience 68 results

Experience

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May 15, 2025

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

Experience

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May 9, 2025

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

Experience

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April 30, 2025

Federal Circuit Backs PayPal

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Insights & News 3,595 results

Capital Markets & Securities Law Watch

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June 30, 2025

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7 Min Read

Recent Executive Orders Are Reshaping DEI Disclosures in 2025 Proxy Statements

Following a series of executive orders issued by the Trump administration targeting DEI initiatives, many companies have made significant changes to their proxy statements this season. Disclosures relating to racial and gender diversity were once considered essential, and while proxy advisory firms continue to consider such disclosures when making voting recommendations, now many companies are skirting around the topic or eliminating any mention of diversity altogether. 

Tax Impacts

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June 27, 2025

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2 Min Read

Section 899 “Revenge Tax” Cut from One Big Beautiful Bill Act

On June 26, 2025, the Treasury Department announced on X that it had reached a deal with the G7 that includes the removal of the proposed Section 899 “revenge tax” from the One Big Beautiful Bill Act of 2025 (the Act) in exchange for an agreement to exempt U.S. companies from certain taxes under OECD Pillar 2. 

Recognitions

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June 25, 2025

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1 Min Read

Winston & Strawn Recognized as Best Law Firm Florida: Corporate by Leaders League

Winston & Strawn Miami was recognized by Leaders League as Best Law Firm Florida: Corporate during its annual Leaders League Alliance Summit, held on June 10....Read more
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Other Results 66 results

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

Site Content

What Is Tax Controversy?

A tax controversy is a dispute between a taxpayer and a tax authority such as the United States Internal Revenue Service (IRS) concerning whether the taxpayer has properly reported and paid their tax liability, and otherwise complied with applicable tax law. A tax controversy may concern a disagreement regarding the correct amount of tax or the manner in which the IRS is attempting to collect tax, as well as whether penalties are appropriate. Tax controversies may be resolved administratively or in litigation....Read more
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