Arnold & Porter

Innovative. Integrated. Industry-Focused.

World-class regulatory, litigation and transactional solutions for your most complex challenges.

Our Integrated Offering

Regulatory

Sector-specific expertise to support virtually every aspect of your regulated business activities.
Litigation

Combining creative litigation strategies with business practicality to resolve high-stakes disputes.
Transactional

Trusted advisors for our clients' most complex transactions.

Innovative. Integrated. Industry-Focused.

World-class regulatory, litigation and transactional solutions for your most complex challenges.

Our Integrated Offering

Regulatory

Sector-specific expertise to support virtually every aspect of your regulated business activities.
Litigation

Combining creative litigation strategies with business practicality to resolve high-stakes disputes.
Transactional

Trusted advisors for our clients' most complex transactions.

Government Contracts

Welcome Michael Barnicle, Partner in Chicago

» See how this well-regarded practitioner and former JAG Corps attorney can provide valuable solutions to government contractors.

International Arbitration | Recognition

#1 Law Firm in the World for Investor-State Disputes per Credibility International

» See how our results in arbitrations under ICSID, UNCITRAL, ICC, and other rules landed us the top spot.

Government Contracts | Life Sciences

Welcome New DC Partner James W. Kim

» See how he adds significant depth—particularly in relation to federal healthcare programs and drug pricing issues.

Legislative & Public Policy | Multipractice

Helping Clients Anticipate and Respond to the Changing Landscape

» See how to better navigate Biden’s sweeping reforms.

White Collar Defense & Investigations

Stay Sharp: Intensified Anti-Corruption Drive in Latin America | Capping Off the ACI FCPA Conference

» Get our Enforcement Edge blog for insights into emerging trends.

Diversity & Inclusion

Noelia Rivera-Calderón Inaugurates Right to Education Fellowship

» See how our three-year partnership with the Advancement Project National Office promotes educational civil rights.

Webinar | 12.15.21 | 12:00–3:30 PM

US Life Sciences Regulatory and Enforcement Update

» See full agenda/register for this complimentary CLE.

Multipractice

Visit Our Coronavirus (COVID-19) Legal Resources Page

Wildlife and Timber Trade
Enforcement & Compliance

Navigating the Complex Laws and Treaties Regulating Global Trade in Wildlife and Timber

» See how our deep experience can better protect your imports and supply chain.

Further Reading

Arnold & Porter by the Numbers

121k

Pro Bono Hours in 2020

13

Offices Worldwide

123

Chambers-Ranked Attorneys