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Winston has decades of experience representing clients in international arbitrations around the world. Representing clients in both commercial and investor-state international arbitrations, we are well known by the leading players in the global arbitration arena. Our integrated team of attorneys enforces awards worldwide, knows every angle of international disputes, and has a robust understanding of our client’s industries.
Practice Area
International trade is essential for the growth and development of global economies and businesses. As international trade has expanded and developed, so too have the myriad rules and regulations that govern it. The global compliance environment is becoming more complex by the day and can be difficult to navigate without the assistance of experienced counsel. Failure to comply with international trade rules and regulations—even if done so unwittingly—can lead to civil and criminal penalties, monitorships, consent agreements, debarment, reputational damage, substantial administrative burden, legal expense, and unsatisfied business objectives. Increasingly, there also is exposure for individual officers/directors, which can include monetary penalties and, potentially, jail time.
Practice Area
The United States International Trade Commission (ITC) is an increasingly popular venue for patent infringement litigation. More and more companies are seeking to halt importations of infringing products into the United States by turning to the ITC for expedited relief. Section 337 investigations conducted by the ITC provide complainants with a “fast track” to remedy IP matters that typically go to trial within 10 months. Since many Section 337 cases go to trial, selecting an ITC litigation team with a command of the technology, patent law, and specialized procedural practice is extremely important. We have handled more than 100 cases before the ITC.
Experience 81 results
Experience
|January 29, 2026
A team led by Justin Levy, Austin Leach, and Ben Popeck served as sell-side advisors to GenNx360 Capital Partners in the sale of its portfolio company, Precision Aviation Group, to VSE Corporation for a total upfront consideration of approximately $2.025 billion in cash and equity. PAG expects to generate approximately $615 million of adjusted revenue for the fiscal year ended December 31, 2025. Together, VSE and PAG will create a more diversified, globally scaled aviation aftermarket platform with broader technical capabilities and an expanded portfolio of proprietary repair and solutions content designed to strengthen customer support, extend asset life, and reduce total cost of ownership.
Experience
|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.
Experience
|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.
Insights & News 2,685 results
Client Alert
|February 10, 2026
|6 Min Read
The close of 2025 highlighted the continuing momentum for the digital asset industry, with regulatory developments accelerating rather than slowing. In December, the UK Government and the Financial Conduct Authority (FCA) released a series of draft instruments and consultation papers that are poised to play a significant role in shaping the sector’s future. On 15 December 2025, HM Treasury (HMT) published a revised draft of The Financial Services and Markets Act 2000 (Cryptoassets) Order 2025. This was followed on 16 December 2025 by the FCA’s publication of three consultation papers addressing core elements of the forthcoming cryptoasset regulatory framework: (1) CP25/40 Regulating Cryptoasset Activities (CP25/40), (2) CP25/41 Regulating Cryptoassets: Admissions & Disclosures and Market Abuse Regime for Cryptoassets, and (3) CP25/42 A Prudential Regime for Cryptoasset Firms. Momentum continued into the new year. On 8 January 2026, the FCA provided further detail on its proposed “gateway” the application process through which firms will seek authorisation to carry on newly regulated cryptoasset activities under the UK’s forthcoming regime.
Client Alert
|February 9, 2026
|4 Min Read
On December 29, 2025, the American Institute of Certified Public Accountants (AICPA) Professional Ethics Executive Committee (PEEC) released an exposure draft proposing substantial revisions to its Code of Professional Conduct governing alternative practice structures (APS), which govern investments in accounting firms by private and public investors. The proposals represent the most significant regulatory development for private equity-backed accounting firms since PEEC first adopted APS guidance in 2000. This exposure draft follows a March 2025 discussion memorandum that resulted in the submission of 36 comment letters and extensive stakeholder engagement from accounting firm executives, state boards of accountancy, insurance liability carriers, accounting firms, academia, professional associations, and legal counsel for private equity sponsors.
Press Release
|February 9, 2026
|1 Min Read
Winston & Strawn Paris Expands into New Offices to Support Continued Growth
PARIS—February 9, 2026—Today, Winston & Strawn’s Paris office took an important step in its ongoing development, as the office celebrates its 30th anniversary: It has relocated to new offices at 106 Boulevard Haussmann.
Other Results 57 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.
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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.
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Imports are goods that enter the customs territory of a given country after having been exported from a foreign destination. Imports and exports together represent foundational aspects of international trade. Therefore, they are often subject to trade agreements between jurisdictions, trade remedies that increase the cost of importing goods, and more cross-border considerations. In addition, countries may impose customs duties and/or tariffs, in other words taxes, on goods that enter the customs territory of a given country. Imports are fundamental to international trade and commerce. As such, legal issues arising from imports may implicate foreign policy, regulatory compliance, and cross-border transactions.