small-logo
ProfessionalsCapabilitiesInsights & NewsCareersLocations
About UsAlumniOpportunity & InclusionPro BonoCorporate Social Responsibility
Stay Connected:
facebookinstagramlinkedintwitteryoutube
Site Search

Capabilities 86 results

Practice Area

Environmental Litigation & Enforcement

With today’s rapidly evolving rules of engagement, paired with the often contentious nature of environmental disputes, clients rely on Winston for our practical experience and substantive knowledge of the broad-ranging issues involved in environmental litigation, enforcement, and investigations....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

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

Experience 135 results

Experience

|

March 4, 2026

End of the Line: Winston Wins Unanimous Supreme Court Victory Against NJ Transit

In a unanimous decision authored by Justice Sotomayor, the U.S. Supreme Court held that NJ Transit is not an arm of the State of New Jersey and therefore is not entitled to sovereign immunity. The ruling means that plaintiffs injured by NJ Transit outside of New Jersey—such as in Pennsylvania and New York—may pursue claims in the courts of the states where their injuries occurred. The court adopted Winston’s position that state-created corporations that are formally liable for their own judgments are not arms of the state, reversing the Pennsylvania Supreme Court’s dismissal of Cedric Galette’s negligence suit while affirming the New York Court of Appeals’ decision allowing Jeffrey Colt’s case to proceed....Read more

Experience

|

February 4, 2026

Ventus Industrial Partners and Aeron Defense acquisition of General Tool Company and Magna Machine Company

A Winston & Strawn deal team led by Partners Justin Levy in New York and Paul Amiss in London advised Aeron Defense, a newly formed defense platform established by Ventus Industrial Partners in partnership with GenNx360 Capital Partners and Admiralty Partners, on its acquisition of defense contracting specialists General Tool Company and Magna Machine Company....Read more

Experience

|

February 2, 2026

Ventus Industrial Partners and Aeron Defense acquisition of General Tool Company and Magna Machine Company

A Winston & Strawn deal team led by Partners Justin Levy in New York and Paul Amiss in London advised Aeron Defense, a newly formed defense platform established by Ventus Industrial Partners in partnership with GenNx360 Capital Partners and Admiralty Partners, on its acquisition of defense contracting specialists General Tool Company and Magna Machine Company....Read more
View All Experience

Insights & News 5,424 results

Sponsorship

|

March 23, 2026

Winston & Strawn Sponsors Healthcare Business International (HBI) 2026

We are proud to be an Elite Sponsor of the 2026 Healthcare Business International Conference in Paris. This must-attend event brings together leading decision-makers from the global for-profit healthcare sector to explore new business opportunities, drive growth, and shape the future of healthcare....Read more

Tax Impacts

|

March 19, 2026

|

6 Min Read

Changes to Tax Administration On the Horizon: Senate Finance Committee Proposes Major IRS Administration Changes

Senate Finance Committee Chairman Mike Crapo (R‑ID) and Ranking Member Ron Wyden (D‑OR) released a bipartisan draft of the Taxpayer Assistance and Service Act (“Act” or “TAS Act”) on February 26, 2026, aimed at improving IRS procedure and administration. The bill, comprised of legislative proposals recommended by the National Taxpayer Advocate (NTA) and standalone tax bills measures previously introduced by congressional members, proposes some of the most substantial enhancements to taxpayer judicial protections in years, while additionally seeking to streamline processes and communications for tax compliance.

Non-Fungible Insights: Blockchain Decrypted

|

March 19, 2026

|

6 Min Read

FCA Handbook Application for Regulated Cryptoasset Activities – Key Takeaways from CP26/4

The close of 2025 highlighted the continuing momentum for the digital asset industry, with regulatory developments accelerating rather than slowing.

View All Insights & News

Other Results 134 results

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

Survey of State Transaction Notification Requirements (Baby HSR)

Site Content

What Is the Securities Exchange Act of 1934?

The Securities Exchange Act of 1934 (as amended, the “Exchange Act”) established the Securities and Exchange Commission (the SEC) and gave it the power to oversee the securities industry. Through the Exchange Act, the SEC gained the authority to register, regulate, and oversee brokerage firms, transfer agents, and clearing agencies. The Commission also has authority over the U.S. securities self-regulatory organizations (SROs), including: The New York Stock Exchange, NASDAQ Stock Market, Chicago Board of Options, and the Financial Industry Regulatory Authority. SROs must have guidelines in place to make sure investors are protected....Read more
Logo
facebookinstagramlinkedintwitteryoutube

Copyright © 2026. Winston & Strawn LLP

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