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Professionals 534 results
Capabilities 88 results
Practice Area
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.
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.
Practice Area
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.
Experience 187 results
Experience
|February 4, 2026
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.
Experience
|February 2, 2026
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.
Experience
|January 27, 2026
Winston & Strawn secured a decisive victory for PayPal in an intellectual property dispute brought by Irish non-practicing entity Internet Payment Patents LTD (IPPL). Magistrate Judge Susan van Keulen of the Northern District of California entered final judgment in PayPal’s favor, finding all asserted patent claims ineligible under 35 U.S.C. § 101 and granting PayPal’s motion to dismiss without leave to amend.
Insights & News 5,401 results
Webinar
|March 10, 2026
Private Fund Focus on Regulatory Trends, Compliance Practices, & SEC Initiatives
Join Winston & Strawn and the Alternative Investment Management Association (AIMA) for a workshop focused on private fund managers, exploring the regulatory trends and compliance practices in a continuously evolving regulatory environment. Partners Beth Kramer and Scott Naidech, and Five Bells Settlement Corp.’s Chief Legal Officer, Matthew Siano, will discuss current SEC initiatives and compliance practices utilized by private equity funds, hedge funds, and alternative investment fund managers relating to conflicts of interest, fees and expenses, performance marketing, annual review, and SEC areas of focus.
Sponsorship
|February 22, 2026
Winston & Strawn Sponsors, Speaks at SFVegas 2026
Winston & Strawn is proud to sponsor the Structured Finance Association’s flagship SFVegas 2026 conference in Las Vegas. SFVegas is the premier global gathering for the structured finance community, drawing over 9,000 professionals from across the industry to explore the trends, challenges, and opportunities shaping securitization, lending, and capital formation.
Recognitions
|February 20, 2026
|1 Min Read
Winston & Strawn associate Ashley Wright was recognized by Corporate Counsel among the Next Generation of Leaders (Law Firm) winners in its 2026 Women, Influence & Power in Law (WIPL) Awards. This category recognizes up-and-coming women lawyers who have demonstrated exceptional skill, dedication, and commitment to advancing equality in both the legal profession and their communities.
Other Results 115 results
Site Content
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.
Site Content
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.
Site Content
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.