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Professionals 545 results
Capabilities 67 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.
Industry
Energy Industry Litigation & Investigations
With our reputation as a trial lawyers’ firm serving as our foundation, we advocate for a variety of power producers, oil and gas companies, and oilfield services providers in high-stakes litigation throughout U.S. district and appellate courts. We also handle sensitive investigations, contentious regulatory and enforcement issues, and arbitration. Our bench is stacked with innovative legal and commercial problem solvers, many of whom came to Winston from in-house positions, amplifying their appreciation for C-suite complexities. By combining our knowledge of the energy industry with first-rate trial skills, and the experience our practitioners have gained from learning our clients’ businesses, we are positioned to obtain the best result for our clients efficiently—whether in the courtroom or a negotiated solution.
Practice Area
Employee Benefits & Executive Compensation
With attorneys based in Chicago, New York and Washington, D.C., Winston’s Employee Benefits & Executive Compensation (EBEC) team represents a broad range of plan sponsors and offers clients not just deal support but the full suite of employee benefit services. These include public company reporting and executive compensation, employee benefits in mergers and acquisitions, qualified retirement plans and Title I investment advice, health and welfare benefit plans, employee stock ownership plans (ESOPs), and international human resources matters. And driven by a volatile labor market, we are partnering with clients to innovate plan structure and design, including cutting-edge services such as private exchange medical benefits, employee benefits in captive insurance, and fiduciary governance best practices. With decades of experience, our EBEC team maintains strong brand recognition, with clients describing our attorneys as “superb,” “very client-friendly,” “extremely responsive and able to bring forth the right resources,” and “having an “incredible breadth of knowledge.”
Experience 37 results
Experience
|May 9, 2025
An Am Law LOTW Shout Out-Worthy Gold Medal Victory In $Jenner
Winston, led by partners Jeffrey Steinfeld, John Schreiber, and George Mastoris, secured full dismissal of a high-profile securities class action involving hundred of millions of dollars in $Jenner memecoin trades. Plaintiffs alleged securities fraud under federal and California laws. The team was recognized in Am Law’s Litigator of the Week column for the win.
Experience
|April 18, 2025
Fueling Good: Winston Wins Motion to Dismiss in Oil Dispute
On April 18, 2025, a Winston team led by partners James Herbison and Mike Mayer secured a final judgment on behalf of their client, Enbridge, in a monopolization case brought by Ducere, LLC under Section 2 of the Sherman Act and the Illinois Antitrust Act. Winston obtained a dismissal with prejudice by successfully arguing that plaintiff’s antitrust claims were not sufficiently pled, and the alleged market was not properly defined.
Experience
|December 23, 2024
Winston advises Atlantic Sustainable Catch in its acquisition of Atlantic Capes Fisheries
Winston & Strawn LLP represented Atlantic Sustainable Catch (ASC), a leader in the seafood industry, in its acquisition of the marketing and processing divisions of Atlantic Capes Fisheries (ACF), a fully integrated sustainable seafood company with operations throughout North America. This transaction marks ASC's fourth acquisition, serving as a key foundation to strengthen product offerings and continue development on a national scale. ASC is a portfolio company of ACON Investments, LLC (ACON), an international private equity firm headquartered in Washington D.C., investing in North America, Latin America, and Europe.
Insights & News 4,486 results
In the Media
|February 20, 2026
|2 Min Read
Patrick Valenti Joins Winston & Strawn in Chicago
Winston & Strawn recently announced that Patrick Valenti has joined the firm’s Chicago office as a partner in the Transactions Department and a member of the Private Investment Funds Practice. Patrick advises private equity sponsors on the formation, fundraising, and operation of private investment funds, with a focus on sponsors raising middle-market private equity funds from $250 million to $3 billion.
In the Media
|February 19, 2026
|2 Min Read
The Chicago Lawyer Showcases Winston’s New Chicago Office
Winston & Strawn Chairman Steve D’Amore and Chicago Office Managing Partner Bill O’Neil were featured in a Chicago Lawyer article highlighting the firm’s new Chicago office at 300 N. LaSalle. Designed to be modern, sustainable, and cutting-edge, the space provides an atmosphere that invites collaboration and creativity, as well as a place to break bread and socialize. A central feature of the new office is a café that serves as a gathering hub with varied seating for attorneys and staff, encouraging conversation. The space transforms weekly into a space for happy hour and informal connection.
Recognitions
|February 19, 2026
|Less Than 1 Min Read
Winston Ranked Among the Top Ten Firms for Patent Litigation by Patexia
Winston & Strawn was recognized among the top ten law firms for patent litigation in Patexia’s 2026 Patent Litigation Report. The ranking is based on both activity and performance.
Other Results 38 results
Location
Founded in 1853, Winston & Strawn is one of the largest and oldest law firms in Chicago. The office is home to 290+ lawyers distributed across 20 practice areas. Our Chicago lawyers represent 90 companies in the Fortune 500 and are recognized in all the major directories and award competitions. They also are heavily invested in pro bono causes, having dedicated 19,000+ hours in 2024 to various pro bono organizations. Representing a wide range of backgrounds, experiences, and perspectives, they are hardworking, compassionate, and collaborative. Our Chicago office also takes immense pride in fostering a collegial atmosphere that influences every aspect of our culture. From weekly Starbucks Socials, where colleagues gather to connect over coffee and conversation, to ping pong tournaments that ignite friendly competition, to volunteer opportunities around the city, we celebrate the camaraderie and sense of community that unite us. This not only enhances collaboration and teamwork but creates a supportive environment that inspires us to excel in our professional pursuits.
Site Content
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.
Location
Since opening in 2011, Winston & Strawn’s Houston office has grown to nearly 60 lawyers and is home to many long-standing leaders of the Houston legal and business communities. Our Houston office hosts a comprehensive transactional team specializing in private equity, capital markets, and public companies, as well as extensive commercial litigation and intellectual property practices—with nearly all Houston IP attorneys possessing technical degrees. We are also home to a leading energy and infrastructure group that focuses on oil and gas projects and infrastructure litigation, and an international arbitration practice. Our robust offerings demonstrate our commitment to the continued growth of the city’s global, economic, and cultural footprint.