|No. of offices||23 total (2 international)|
|No. of attorneys||531 (2008)|
|Major practice areas||General practice|
|Key people||Stephen A. Cozen, Founder & Chairman, Patrick J. O'Connor, Vice Chairman|
|Founder||Stephen A. Cozen|
|Company type||Professional corporation|
Cozen O'Connor P.C. is a large U.S. law firm based in Center City Philadelphia, Pennsylvania. The firm was ranked 99th on the AmLaw 100 Survey in 2011, ranked 114th on the AmLaw 200 Survey in 2008, and ranked 89th on the National Law Journal's list of the 250 Largest American Law Firms in 2007. Although it is one of the younger large firms in the United States, it has pursued a strategy of aggressive growth, and has expanded to 23 offices employing over 500 lawyers.
Cozen O'Connor handles virtually every area of law related to business, including tax law, intellectual property, labor & employment, environmental law, corporate and securities law, real estate, bankruptcy and creditors' rights, and many others. The firm also has practices in family law and immigration law.
Formation of Government Relations Subsidiary
In September 2009, the firm launched the subsidiary, Cozen O'Connor Public Strategies.  The subsidiary operates out of the firm's Washington, D.C., Pennsylvania, New York, New Jersey and Delaware offices. Co-Chaired by Mark Alderman and Edward Hazzouri, the group also includes Howard Schweitzer, the first COO of the Troubled Asset Relief Program, David Girard-diCarlo, former U.S. Ambassador to Austria, and Rob Bickhart, former finance director of the Republican National Committee.
Involvement in the Mayoral campaign of Bob Brady
Cozen O'Connor filed a lawsuit in the Philadelphia County Court of Common Pleas against the Philadelphia Board of Ethics in an attempt to lift campaign contribution limits for the 2007 Philadelphia mayoral election. The firm had represented Bob Brady in his efforts off a ballot challenge from Tom Knox, and wanted to be paid for its work. City law limited campaign contributions to $2,500 for individuals and $10,000 for law firms, political action committees and unincorporated businesses. In February 2011, the court ruled that the firm has the standing to challenge the ethics board. In reversing the lower courts, Justice Max Baer said Cozen O'Connor sufficiently pleaded in its declaratory judgment action its own inability to forgive the total debt without violating campaign finance laws.
- Taylor Nelson Sofres
- HSBC Bank USA
- Lucent Technologies
- Cott Beverages
- Continental Airlines
- Full Tilt Poker
- Los Angeles, California
- San Diego, California
- San Francisco, California
- Denver, Colorado
- Wilmington, Delaware
- Washington, D.C.
- Miami, Florida
- Minneapolis, Minnesota
- Atlanta, Georgia
- Chicago, Illinois
- Santa Fe, New Mexico
- Cherry Hill, New Jersey
- Newark, New Jersey
- Trenton, New Jersey
- New York City (2 offices, one in Midtown Manhattan, one in Lower Manhattan)
- Charlotte, North Carolina
- Philadelphia, Pennsylvania
- West Conshohocken, Pennsylvania
- Wilkes-Barre, Pennsylvania
- Dallas, Texas
- Houston, Texas
- Seattle, Washington
- West Palm Beach, Florida
- Stephen Cozen firm bio
- Patrick O'Connor firm bio
- AmLaw200 Performance Statistics, 2007
- "Philadelphia." Cozen O'Connor. Retrieved on November 11, 2009.
- "The Am Law 100 2011 - Gross Revenue". American Lawyer. Retrieved August 28, 2011.
- Cozen O'Connor Awards & Honors
- Full list of practice areas
- Subprime Credit Markets practice group homepage
- Reuters article announcing founding of Subprime Credit Markets practice group
- ABA Journal, Cozen.com, 22 September 2009
- law.com, Cozen O'Connor Has Standing to Challenge Ethics Board Opinion, 25 February 2011
- Case studies: High-stakes Savvy
- Case studies: Global Reach
- Client matters in venture capital
- Client matters in technology
- Client matters in transportation