small-logo
ProfessionalsCapabilitiesInsights & NewsCareersLocations
About UsAlumniOpportunity & InclusionPro BonoCorporate Social Responsibility
Stay Connected:
facebookinstagramlinkedintwitteryoutube
Site Search
  • Professionals (612)
  • Capabilities (91)
  • Experience (143)
  • Insights & News (5,424)
  • Other Results (118)

Professionals 612 results

Eleni Kouimelis
Eleni Kouimelis
Partner
  • Chicago
Email
+1 312-558-5133
vCard

Partner

  • Chicago
Francisco Flores
Francisco Flores
Partner
  • Los Angeles, 
  • New York
Email
+1 213-615-1346
vCard

Partner

  • Los Angeles
  • New York
Richard P. Puttré
Richard P. Puttré
Partner
  • Miami
Email
+1 305-910-0600
vCard

Partner

  • Miami
View All Professionals

Capabilities 91 results

Practice Area

Environmental Litigation & Enforcement

With today’s rapidly evolving rules of engagement, paired with the often contentious nature of environmental disputes, clients rely on Winston for our practical experience and substantive knowledge of the broad-ranging issues involved in environmental litigation, enforcement, and investigations....Read more

Practice Area

Tax

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....Read more

Practice Area

Environmental

Winston’s Environmental Practice brings decades of experience to our clients. Chaired by Eleni Kouimelis, former assistant regional counsel with USEPA Region 5, our Environmental Practice provides comprehensive services to clients around the globe....Read more

Experience 143 results

Experience

|

February 4, 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

|

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
View All Experience

Insights & News 5,424 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).

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.

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
View All Insights & News

Other Results 118 results

Site Content

What is MARPOL?

The International Convention for the Prevention of Pollution from Ships (MARPOL) is an international treaty established to protect the marine environment by reducing the amount of pollution from ships. It is divided into six annexes addressing different forms of pollution including oil pollution, noxious liquid substances, harmful substances in packaged form, sewage pollution, garbage pollution, and air pollution. The regulations apply to both commercial and leisure vessels and are enforced by countries that are parties to the convention....Read more

Site Content

What Are AML Rules?

Anti-Money Laundering (AML) refers to policies and practices that prevent, detect, and report financial crimes. The principal U.S. federal law on money laundering is the Bank Secrecy Act (BSA), also known as the Currency and Foreign Transactions Reporting Act of 1970. The BSA generally mandates financial institutions to assist in governmental investigations by keeping records of cash purchases or negotiable instruments, filing reports of cash transactions exceeding a set daily aggregate amount, and reporting suspicious activity that may hint at money laundering, tax evasion, or other criminal activities....Read more

Law Glossary

What Is Cross-Border Data Protection Law?

A cross-border data protection law involves the safe movement of electronic, personal data around the world. The European Union currently has a cross-border data protection law called the General Data Protection Regulation, which replaces the EU’s Data Protection Directive 95/46/EC....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