small-logo
ProfessionalsCapabilitiesInsights & NewsCareersLocations
About UsAlumniOpportunity & InclusionPro BonoCorporate Social Responsibility
Stay Connected:
facebookinstagramlinkedintwitteryoutube
Site Search

Capabilities 88 results

Practice Area

White Collar & Government Investigations

Ranked Tier 1 Nationally for “Criminal Defense: White Collar” by Best Law Firms®2025, and recognized for “Corporate Crime & Investigations: Highly Regarded – Nationwide” by Chambers USA in 2025, Winston’s White Collar & Government Investigations Practice assists individuals, companies, and organizations with government investigations and enforcement matters; related criminal and civil litigation; trials; appeals; congressional oversight; internal investigations; and compliance counseling and program development and enhancement. We are comprised of 80+ litigators, with more than a dozen former prosecutors from the SEC, Main Justice, and U.S. Attorneys’ Offices nationwide, including four former U.S. Attorneys, Regional Supervisors, and a former Assistant Director, Enforcement Division, SEC. We are known for our zealous advocacy, our unyielding commitment to our clients, and for protecting and defending clients’ interests with legal acumen that’s second to none....Read more

Practice Area

Securities, M&A & Corporate Governance Litigation

In today’s market, litigators with experience in securities, corporate governance, and M&A-related (collectively, “securities litigation”) matters need to leverage their broad experience to serve as both advocate and as counsel and strategist, focused on helping clients to overcome not just a legal issue but a collective business problem. Given the frequent interplay between things such as corporate-control transactions, public offerings, activist shareholders, the use of complex derivatives and other financial instruments, bad news impacting stock performance, regulatory inquiries and investigations, and insurance coverage, strategic and tactical litigation decisions can have a wide-ranging impact on the success of a given transaction, as well as on companies, their boards, senior management, and advisors....Read more

Practice Area

Insurance Litigation

For decades, Winston has represented a broad array of clients in the insurance industry, including some of the world’s largest and best-known insurers. Our prowess in and understanding of the insurance industry encompasses not only its products, practices, and services, but also the increasing challenges posed by a world increasingly characterized by a fast-evolving technological landscape as well as financial, political, and environmental instability. Accordingly, Winston’s lawyers are among the most sought-after in the industry—not only by companies currently facing high-stakes litigations and investigations, but by those looking to take preventive action now in order to mitigate and manage their risk in the future....Read more

Experience 75 results

Experience

|

February 2, 2026

Ventus Industrial Partners and Aeron Defense acquisition of General Tool Company and Magna Machine Company

A Winston & Strawn deal team led by Partners Justin Levy in New York and Paul Amiss in London advised Aeron Defense, a newly formed defense platform established by Ventus Industrial Partners in partnership with GenNx360 Capital Partners and Admiralty Partners, on its acquisition of defense contracting specialists General Tool Company and Magna Machine Company....Read more

Experience

|

January 27, 2026

PayPal Successfully Invalidates Asserted Claims of Secure Payment Transaction Patent Under 35 U.S.C. § 101

Winston & Strawn secured a decisive victory for PayPal in an intellectual property dispute brought by Irish non-practicing entity Internet Payment Patents LTD (IPPL). Magistrate Judge Susan van Keulen of the Northern District of California entered final judgment in PayPal’s favor, finding all asserted patent claims ineligible under 35 U.S.C. § 101 and granting PayPal’s motion to dismiss without leave to amend....Read more

Experience

|

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
View All Experience

Insights & News 3,979 results

Global Trade & Foreign Policy Insights

|

February 24, 2026

|

7 Min Read

U.S. Supreme Court Invalidates President Trump’s Emergency Tariffs

On February 20, 2026, the Supreme Court of the United States (SCOTUS) issued a landmark 6–3 decision sharply curtailing presidential authority to impose unilateral tariffs under the International Emergency Economic Powers Act (IEEPA).

Recognitions

|

February 24, 2026

|

1 Min Read

Julissa Reynoso Named to Crain’s New York Business’ 2026 List of Notable Women in Law

Winston & Strawn partner Julissa Reynoso has been recognized on Crain’s New York Business’ 2026 Notable Women in Law list. This award celebrates outstanding lawyers whose work shapes commerce, policy, civil rights, and culture on both a local and international scale.  ...Read more

Investigations, Enforcement, & Compliance Alerts

|

February 24, 2026

|

5 Min Read

Mexico City Policy: Latest Expansion

On January 27, 2026, the Trump administration announced what it called “a historic expansion” of the Mexico City Policy, a longstanding U.S. rule restricting foreign aid funding related to abortion. The expansion extends the policy beyond abortion to include activities related to diversity, equity, and inclusion (DEI) and gender‑affirming care. Effective February 26, 2026, the change represents the most significant revision to the policy in its 40‑year history and could substantially reshape the distribution of U.S. foreign assistance worldwide.

View All Insights & News

Other Results 99 results

Law Glossary

What Is Advertising Litigation?

Advertising litigation is defined as the legal area that covers false or deceptive advertising cases. Lawsuits may be brought by government agencies or corporate competitors based on the Lanham Act—a law that specifically deals with false advertising. The Act outlines how an advertisement can be deemed false. The Federal Trade Commission (FTC) has the ability to file lawsuits to halt deceptive advertising claims. The U.S. Food and Drug Administration may also pursue advertising litigation against violators of government regulations. Companies may be called on to substantiate their advertising claims, whether these are made in print or online....Read more

Site Content

Winston Legal Solutions Litigation Legal Services

Law Glossary

What Are the Patent Litigation Differences Between the BPCIA and Hatch-Waxman Act?

There are fundamental differences between the abbreviated approval processes to obtain FDA approval for biosimilars and generic drugs as those processes relate to patent litigation....Read more
Logo
facebookinstagramlinkedintwitteryoutube

Copyright © 2026. Winston & Strawn LLP

AlumniCorporate Transparency Act Task ForceDEI Compliance Task ForceEqual Rights AmendmentLaw GlossaryThe Oval UpdateWinston MinutePrivacy PolicyCookie PolicyFraud & Scam AlertsNoticesSubscribeAttorney Advertising