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  • Professionals (403)
  • Capabilities (90)
  • Experience (101)
  • Insights & News (3,997)
  • Other Results (120)

Professionals 403 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
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Capabilities 90 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 101 results

Experience

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January 22, 2026

Advised SQM on US$600M offering of subordinated capital notes due 2056 (Hybrid Bond Offering)

Winston & Strawn LLP advised longstanding client Sociedad Química y Minera de Chile S.A. (“SQM”) (NYSE: SQM) on its US$600 million offering of subordinated capital notes. The notes were offered in the United States pursuant to Rule 144A and outside the United States pursuant to Regulation S.The subordinated capital notes are due in 2056 and constitute SQM’s first international hybrid bond issuance, structured to be consistent with SQM’s recent UF 10 million (approximately US$ 430 million) Series S hybrid-subordinated bond issuance in the Chilean securities market. The notes bear an initial annual interest rate of 5.625% and are subject to reset on April 22, 2031 (the “First Reset Date”), and on every fifth anniversary thereafter, based on a spread over the 5-year U.S. Treasury bond rate, with interest rate step-ups on the fifth and twentieth anniversaries of the First Reset Date. The transaction closed on January 22, 2026.BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, Santander US Capital Markets LLC, and Scotia Capital (USA) Inc. acted as initial purchasers of the notes.Link Capital Partners was financial advisor to SQM.SQM is a global company with a leading position in the lithium, iodine, and potassium nitrate markets. It develops and produces a diverse range of products for industries essential to human progress, including health, nutrition, renewable energy, and technology, driven by innovation and technological development.The Winston & Strawn team advising on the transaction included corporate partner Sey-Hyo Lee (New York) and foreign legal advisor Bruno M. Fiorino (New York). Partner Katherine Erbeznik (New York) advised on tax matters....Read more

Experience

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January 8, 2026

Winston Represented Good Culture in its Majority Investment from L Catterton

Winston represented Good Culture, LLC, a clean-label cultured dairy brand credited with revolutionizing cottage cheese for the modern age, in its sale to L Catterton, a market-leading consumer-focused investment firm. This sale transaction officially closed Monday, February 2, 2026. ...Read more

Experience

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January 6, 2026

Brightwood Capital’s Acquisition of Museum of Illusions Group

A team led by Bradley Vaiana and Austin Leach represented Brightwood Capital Advisors, LLC (“Brightwood”), a New York–based investment firm, in its acquisition of Museum of Illusions Group, the world’s largest privately held chain of museums, from Invera Capital Partners. As part of the transaction, five previously franchised locations will transition from the chain’s largest franchisee, LOL Entertainment, to become corporate-owned sites. Winston attorneys across multiple practice areas and offices, including M&A, Tax, Intellectual Property, Employee Benefits, and the firm’s UK office, assisted in structuring a complex cross-border transaction to support Brightwood's fund investment goals. The acquisitions were completed on January 6, 2026....Read more
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Insights & News 3,997 results

Sponsorship

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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....Read more

Recognitions

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February 20, 2026

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1 Min Read

Ashley Wright Recognized Among the Next Generation of Leaders in the 2026 Women, Influence & Power in Law Awards

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. ...Read more

Global Trade & Foreign Policy Insights

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February 19, 2026

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9 Min Read

United States Issues Significant New Sanctions Relief for Venezuela’s Oil & Gas Sector

Although Venezuela remains subject to sanctions targeting the Government of Venezuela (GoV) and entities in which it holds a 50% or greater ownership interest, the U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC) has issued a series of General Licenses (GLs) representing the broadest easing of Venezuela-related sanctions in years.

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Other Results 120 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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