Cozen O’Connor

Cozen O’Connor Expands Midwest Presence

Cozen O’Connor finalizes merger with preeminent Minneapolis law firm, Moss & Barnett, adding 50+ attorneys and strengthening its footprint in Minneapolis.

Co-Piloting Your Industry-Shaping Deals

When Alaska Airlines prepared for its $1.9 billion acquisition of Hawaiian Airlines, the company turned to its longstanding aviation regulatory counsel, Cozen O’Connor.

Driving Your Transformative Acquisitions

When Miami-based SAP USA Truck and Auto Parts (SAP), a well-known distributor of private label aftermarket truck and automotive parts, decided to add an entirely new business vertical to its platform, the company called Cozen O’Connor for help.

Cozen O’Connor Represents Calavo Growers in Its Sale to Mission Produce

Cozen O’Connor Continues its South Florida Buildout by Adding Four Commercial Litigators; Launches New Fraud & Recovery Practice

Cozen O’Connor Construction Group Recognized as a Law360 2025 Practice Group of the Year

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1,000+ Attorneys

Cozen O'Connor has widely recognized national practices in litigation, corporate, intellectual property, real estate and labor & employment and extensive experience in a variety of practice areas. Our talented professionals work collaboratively across disciplines and seamlessly throughout our 35 offices to achieve our clients' business objectives.

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RecentUpdates

So You Want to Use AI?

Michael Schmidt, Jeffrey Klamut, Jake Rubinstein, and David Adams will explore key considerations for labor and employment and human resources practitioners as they evaluate and deploy AI in the workplace, drawing on perspectives from employment counseling, immigration, and litigation.

The Canadian Lexpert Directory Names Five Cozen O’Connor Lawyers to its 2026 Edition

Cozen O’Connor LLP is proud to announce that five lawyers from the firm’s Vancouver and Toronto offices have been named to the 2026 Canadian Legal Lexpert Directory.

Cozen O’Connor Promotes 36 Attorneys to Member

Cozen O’Connor announced the promotion of 36 attorneys to member; the largest promotion class to date.

Cozen O’Connor Public Strategies Adds Alexandra DeRiso as Principal in Washington, D.C.

Cozen O’Connor Public Strategies, the bipartisan government relations and communications affiliate of international law firm Cozen O’Connor, today announced that Alexandra DeRiso has joined the firm as a principal on its health care team.

Cozen Currents - Navigating K-Street for the C-Suite

Cozen Currents delivers weekly federal legislative, regulatory, and political updates to guide the C-suite through Washington’s evolving landscape.

Cozen O’Connor’s State Attorneys General Group Lands New Jersey’s First Assistant Attorney General Lyndsay V. Ruotolo

International law firm Cozen O’Connor today announced Lyndsay V. Ruotolo — a highly accomplished and sought after prosecutor and legal leader whose career spans federal violent crime litigation, major criminal investigations, complex administrative oversight, and civil litigation — has joined its award-winning State Attorneys General Group.

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Mergers & Acquisitions – Global

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About Us

We Thrive On Results

For more than 50 years, we have defined ourselves by our clients’ success. As a full-service law firm, Cozen O'Connor guides and protects countless clients with the comprehensive spectrum of our legal services, including litigation, corporate and regulatory law. Our steadfast dedication makes us one of the top law firms in the country. In an industry built on talk, we’ve made our name by doing.

1,000+ Attorneys 35 Offices

Ranked among the top 100 law firms in the country, Cozen O’Connor has 1,000+ attorneys in 33 cities across two continents. We are a full-service firm with nationally recognized practices in litigation, business law, and government relations, and our attorneys have experience operating in all sectors of the economy. Our diverse client list includes global Fortune 500 companies, middle-market firms poised for growth, ambitious startups, and high-profile individuals.

One Victory At A Time

In an industry built on talk, Cozen O’Connor has made its name by doing. We have built our firm one case, one victory at a time. Our attorneys have impeccable academic credentials and are able to combine intellectual rigor with practicality and efficiency. We provide sophisticated, business-minded advice aimed at one simple goal: getting the right result for our clients. No matter how complex, contentious, or critical the undertaking, we persevere until the job is done.