small-logo
ProfessionalsCapabilitiesInsights & NewsCareersLocations
About UsAlumniOpportunity & InclusionPro BonoCorporate Social Responsibility
Stay Connected:
facebookinstagramlinkedintwitteryoutube
Site Search
  • Professionals (458)
  • Capabilities (88)
  • Experience (165)
  • Insights & News (5,094)
  • Other Results (132)

Professionals 458 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 165 results

Experience

|

May 27, 2025

PicoCELA Inc. Closes $1.8 Public Offering

Experience

|

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

View All Experience

Insights & News 5,094 results

Client Alert

|

July 9, 2025

|

3 Min Read

No Moratorium on State AI Laws in the Federal Budget Bill: Implications for Healthcare and Life Sciences Industry

With the signing of the budget and tax bill—also known as the “One Big Beautiful Bill Act”—by President Trump on July 4, 2025, the federal government has decided that it will not attempt to preempt various state efforts to regulate the use of artificial intelligence (AI) technologies. While prior versions of the budget and tax bill (the Budget Bill) contained a purported moratorium on enforcement of existing state laws or regulations on various AI technologies or the future promulgation of new state AI laws, the final version did not contain that provision. This development is particularly relevant for healthcare and life sciences entities that employ AI technologies in product development or in the delivery of clinical care in states that have enacted regulations on AI use....Read more

Capital Markets & Securities Law Watch

|

July 9, 2025

|

3 Min Read

SEC Buyout Program and Other Initiatives Lead To Drop in Enforcement and General Counsel Staff

On May 6, 2025, the Chairman of the Securities and Exchange Commission (SEC), Paul Atkins, informed SEC staff that the agency had reduced its full-time headcount by 15% across various offices and divisions since the start of the federal government’s fiscal year in October 2024.

In the Media

|

July 9, 2025

|

1 Min Read

Larry Sher Featured on Govcon Giants Podcast

Winston & Strawn Government Contracts partner Larry Sher was featured on an episode of Govcon Giants, a podcast highlighting conversations with professionals including contractors, government procurement officers, financial experts, and more to break down the secrets of successful government contracting, from landing your first contract to scaling a multi-million-dollar business. Larry spoke with host Eric Coffie to discuss several hot topics affecting federal contractors and grant recipients. ...Read more
View All Insights & News

Other Results 132 results

Site Content

What Is the JOBS Act?

The Jumpstart Our Business Startups (JOBS) Act is legislation, enacted on April 5, 2012, designed to encourage funding of small businesses in the U.S. by easing securities regulations and therefore making it easier for private companies to access the public capital markets....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
Logo
facebookinstagramlinkedintwitteryoutube

Copyright © 2025. Winston & Strawn LLP

AlumniCorporate Transparency Act Task ForceDEI Compliance Task ForceEqual Rights AmendmentLaw GlossaryThe Oval UpdateWinston MinutePrivacy PolicyCookie PolicyFraud & Scam AlertsNoticesSubscribeAttorney Advertising