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.

Values | Recognition

NYWBA Honors Justice Richter’s Legal Career with its Allen Award

» See how this trailblazer supported women’s issues and advanced civil rights.

International Arbitration | Client Results

Costa Rica Successfully Defends Against $400M Gold Mine Project Claim

» Read more about our 41st consecutive favorable sovereign state outcome.

Performance | Commendations

The Legal 500 US Recognizes 48 Practices, 171 Attorneys

» See our rankings based on feedback from 250K in-house counsel and lawyers worldwide.

Legislative & Public Policy | Multipractice

Helping Clients Anticipate and Respond to the Changing Landscape

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

EU Life Sciences

Grab a Slice: EC’s Pharma Strategy (Proposed); EU Med. Dev. Regs. (in Effect)

» Subscribe to BioSlice Blog for full legal and regulatory updates.

About Us

Celebrating Pride Month

» See how we are cultivating diversity and inclusion in a positive work environment.

White Collar Defense & Investigations

Stay Sharp: Fighting Corruption as a National Security Imperative; Checking Sports Scores

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

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