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  • Professionals (309)
  • Capabilities (75)
  • Experience (33)
  • Insights & News (2,151)
  • Other Results (33)

Professionals 309 results

William Sunkel
William Sunkel
Senior Attorney
  • New York
Email
+1 212-294-2635
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Senior Attorney

  • New York
William O’Neil
William O’Neil
Partner
  • Chicago
Email
+1 312-558-5308
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Partner

  • Chicago
Bill Green
Bill Green
Associate
  • Chicago
Email
+1 312-558-3478
vCard

Associate

  • Chicago
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Capabilities 75 results

Practice Area

Financial Innovation & Regulation

Winston’s Financial Innovation & Regulation attorneys routinely counsel financial services, digital assets, and other clients on complex banking, crypto, FinTech, consumer financial, and securities matters. Many of our team members previously held positions as in-house counsel at global financial institutions and served in positions at government agencies, which gives us considerable experience in helping our clients obtain innovative, effective, and efficient solutions....Read more

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....Read more

Industry

Cryptocurrencies, Digital Assets & Blockchain Technology

As interest in digital assets continues to rise, novel and complex legal issues emerge continually. Winston’s cross-border interdisciplinary team provides comprehensive regulatory, litigation, and transactional services on the array of issues confronting the digital assets industry. Our dedicated team features pioneering attorneys in the sector, leading litigators, former senior regulators, and in-house counsel....Read more

Experience 33 results

Experience

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January 8, 2026

$2.75 Billion Constellation Energy Generation, LLC Public Offering of Senior Notes

Winston served as underwriters' counsel to BofA Securities, Citigroup, Goldman Sachs & Co. LLC, Morgan Stanley and Scotiabank, as joint book-running managers, in connection with the registered public offering of $2.75 billion of Senior Notes by Constellation Energy Generation, LLC comprised of (i) $300 million of its Floating Rate Senior Notes due 2028; (ii) $900 million of its 3.900% Senior Notes due 2028, (ii) $750 million of its 4.400% Senior Notes due 2031, and (iv) $800 million of its 5.875% Senior Notes due 2066....Read more

Experience

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December 11, 2025

Winston Takes the Checkered Flag After “Massive Win” Settlement

Winston squared off in the W.D.N.C. against lawyers for NASCAR in an antitrust lawsuit brought on behalf of racing teams Front Row Motorsports Inc. and 23X1 Racing LLC—the team co-owned by Michael Jordan and driver Denny Hamlin—alleging monopolization of the market for premier stock car racing teams. On December 11, 2025, nine days into trial and the morning after the plaintiffs rested their case, the parties jointly announced a settlement. Jeffrey Kessler, Jeanifer Parsigian, and Danielle Williams were recognized by American Lawyer with its top “Litigator of the Week” honors on December 19, 2025, for this historic settlement....Read more

Experience

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November 26, 2025

Winston & Strawn Represented CFS Brands in its Acquisition of Cornerstone Foodservice Group

Winston represented CFS Brands, a portfolio company of TJC, in its acquisition of Cornerstone Foodservice Group, a global leader in foodservice equipment serving both front- and back-of-house applications through a portfolio of established, innovative brands. ...Read more
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Insights & News 2,151 results

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

In the Media

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February 19, 2026

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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. ...Read more

Competition Corner

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February 13, 2026

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2 Min Read

Federal Court Strikes Down New HSR Form

On February 12, 2026, the Eastern District of Texas overturned the Federal Trade Commission’s (FTC’s) new Hart-Scott-Rodino (HSR) Act notification form that has been in effect for the last year.

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Other Results 33 results

Law Glossary

What Is the Equal Rights Amendment?

Currently, the Constitution does not guarantee that all the rights it protects are held equally by all citizens without regard to sex. With 24 words, the Equal Rights Amendment would change that. It would provide that “[e]quality of rights under the law shall not be denied or abridged by the United States or any State on account of sex.” It would also give Congress the power to enforce that constitutional guarantee by passing legislation....Read more

Site Content


About Us

For more than 170 years, Winston & Strawn has served as a trusted adviser and advocate for clients across virtually every industry. Our law practice—built on the talent, creativity, and determination of our lawyers and an unwavering commitment to our clients—has grown into a global firm of tremendous breadth. While many things have changed since the firm’s inception, our goal has remained steadfast: provide the highest echelon of service by developing strategic partnerships with our clients, creating and implementing tailored business solutions, and identifying opportunities for innovation. Complementing this service model is the priority we place on cultivating an internal culture of inclusion and opportunity, as well as our role in serving critical needs in our communities. We continue to learn from our storied history, while looking ahead to effect change in our industry....Read more

Site Content

What Is the Domestic Industry Requirement?

The domestic industry requirement for Section 337 investigations at the U.S. International Trade Commission (ITC) mandates that a complainant asserting patent infringement at the ITC, or complainant’s licensee, has made in the United States significant investments in plant and equipment, significant investments in labor or capital, or substantial investments in engineering, research and development, or licensing. The investments must further be directed to articles that practice a valid claim of the asserted patent. The investment component of the requirement is referred to as the “economic prong,” while the requirement that the article practices the asserted patent is referred to as the “technical prong.” The domestic industry requirement is codified in 19 U.S.C. § 1337(a)(2)-(3)....Read more
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