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Capabilities 69 results

Practice Area

Trade Secrets, Non Competes & Restrictive Covenants

In today’s fast-paced, global marketplace, the theft of trade secrets and other confidential information is an all-too-common risk. Our team helps clients navigate this complex landscape with strategies that are both comprehensive and scalable—designed to prevent issues before they arise and respond effectively when they do....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

Commercial Litigation & Disputes

Winston represents clients in virtually every type of dispute that could arise from operating a business. While our primary objective is to protect our clients from the need to engage in litigation and enter the courtroom, we take pride in our heavyweight litigation experience and the knowledge that corporate America has repeatedly retained us not just for “bet-the-company” trials, but for “bet-the-industry” cases as well. Our commercial litigators’ track record of success earned the team a national Tier 1 ranking in Best Law Firms® 2025. Our practice is anchored by seasoned litigators, many of whom have been recognized by in-house counsel and their peers as top practitioners in their fields....Read more

Experience 34 results

Experience

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September 23, 2025

Denali Capital Acquisition Corp Closes Business Combination with Semnur Pharmaceuticals

Winston & Strawn LLP represented Denali Capital Acquisition Corp. (OTCQB: DNQAF), a special purpose acquisition company, in the closing of its previously announced business combination with Semnur Pharmaceuticals, Inc., a clinical late-stage specialty pharmaceutical company focused on the development and commercialization of novel non-opioid pain therapies and a majority-owned subsidiary of Scilex Holding Company (Nasdaq: SCLX).  ...Read more

Experience

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September 8, 2025

Winston Wins Ninth Circuit Reversal and Class Certification in Swimmers’ Antitrust Case, Securing a Global-Impact Settlement with World Aquatics

Winston represents a class of professional swimmers alleging World Aquatics (WA) violated antitrust laws by blocking their participation in the competing  International Swimming League. After WA won summary judgment, Winston successfully appealed, arguing the court applied improper antitrust standards and wrongly denied certification of a damages class. In September 2024, the Ninth Circuit reversed both rulings, reviving all claims and issuing a landmark ruling on the possible application of the per se rule or quick look review to sports-associations rules. Am Law awarded Winston “Litigator of the Week” Runner-Up recognition for the win. In November 2024, the Ninth Circuit denied rehearing. In April 2025, the district court certified a damages class....Read more

Experience

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August 19, 2025

Winston Advised Ellipsis Onshore Holdings in the Acquisition of Oil and Gas Non-Operated Assets in the Permian Basin of Texas and New Mexico

Winston advised Ellipsis U.S. Onshore Holdings LLC, a portfolio company of the Westlawn Group, in connection with the acquisition of high-quality, non-operated working interests in the Permian Basin of Texas and New Mexico—adding approximately 4,000 barrels of oil equivalent per day in net production and over 600 gross remaining drilling locations. This strategic transaction strengthens Ellipsis’ Delaware Basin footprint and supports its strategy of scaling through high-margin, low-cost assets....Read more
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Insights & News 1,909 results

Benefits Blast

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December 18, 2025

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5 Min Read

IRS Issues Notice Detailing Expanded Availability of Health Savings Accounts under the One Big Beautiful Bill Act (OBBBA)

The Internal Revenue Service (the IRS) recently issued Notice 2026-5 which provides guidance on changes to health saving accounts (HSAs) enacted by the One Big Beautiful Bill Act (OBBBA).

Competition Corner

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December 17, 2025

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3 Min Read

Antitrust Remedies in United States v. Google: AI and the Evolving Search Market

Following the August 5, 2024, decision in United States v. Google where the D.C. District Court found Google to be a monopolist,Judge Amit Mehta issued what would end up being the first remedies opinion on September 2, 2025. The decision establishes a six-year framework designed to promote competition in the general search engine market. 

Press Release

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December 15, 2025

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4 Min Read

Professional Swimmers May Be Eligible for Money Damages From a Class Action Settlement

Winston & Strawn LLP, representing Thomas A. Shields, Katinka Hosszú, and plaintiff classes of professional swimmers, is pleased to announce that it has reached a settlement with World Aquatics to resolve the claims on behalf of professional swimmers in the case Shields et al. v. Federation Internationale De Natation, pending in the Northern District of California....Read more
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Other Results 44 results

Site Content

What Is a Non-Fungible Token (NFT)?

The definition of a Non-Fungible Token, also known as an NFT, is a digital certificate (or token) which is stored on decentralized ledgers popularly referred to as the blockchain. NFTs use software code, referred to as “smart contracts,” to transfer the digital certificate of ownership, ensuring proof of ownership in the process. Like cryptocurrency, NFTs also use the blockchain to record transactions, but where cryptocurrency creates interchangeable (or “fungible”) tokens, NFTs create unique, noninterchangeable tokens with distinct identifiers....Read more

Law Glossary

How Does an Applicant Establish Biosimilarity?

An applicant typically demonstrates biosimilarity based on non-clinical analyses that focus on the structure and functional differences between the biosimilar and reference product....Read more

Site Content

What Is the National Advertising Division (NAD)?

As part of the independent, non-profit BBB National Programs, the National Advertising Division (NAD) independently evaluates the truth and accuracy of national advertising. It also works to increase the public’s confidence in advertising. NAD assesses a broad scope of ad claims, including those related to product performance, surveys, pricing, and guarantees. NAD responsibilities include:...Read more
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