Cozen O'Connor P.C.
Headquartered in Philadelphia, Pennsylvania, Cozen O'Connor P.C. employs 910 lawyers across the United States, according to The Law360 400 (2026).
- Office
- Philadelphia, Pennsylvania
- Website
- cozen.com
- Size
- 910 lawyers in the United StatesFirm-wide count, The Law360 400 (2026)
- Headquarters
- This office
- Traces its history to
- 1970
Philadelphia, Pennsylvania
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About Cozen O'Connor P.C.
Headquartered in Philadelphia, Pennsylvania, Cozen O'Connor P.C. employs 910 lawyers across the United States, according to The Law360 400 (2026).
It is one of 32 law firms we list in Philadelphia and one of 499 across Pennsylvania. By U.S. lawyer headcount, it ranks number 4 among the firms we list with an office in Philadelphia. We list Cozen O'Connor P.C. in 2 cities. Ballard Spahr LLP is listed at nearly the same location.
The firm's website is cozen.com.
Firm profile
Philadelphia-headquartered firm founded in 1970 by Stephen A. Cozen and Patrick J. O'Connor, based at One Liberty Place. It has over 1,000 lawyers working from 34 offices in North America and Europe and runs a government relations affiliate, Cozen O'Connor Public Strategies.
Cozen O'Connor P.C. traces its history to 1970.
Source: en.wikipedia.org
Check a Lawyer's License in Pennsylvania
Lawyers who practice in Pennsylvania are licensed by The Disciplinary Board of the Supreme Court of Pennsylvania. Before you hire anyone at Cozen O'Connor P.C., confirm that the lawyer is licensed and in good standing with its Look Up an Attorney.
Look Up an AttorneyLaw Firms Near Cozen O'Connor P.C.
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Cozen O'Connor P.C.: Questions and Answers
- Where is Cozen O'Connor P.C. located?
- Cozen O'Connor P.C. is in Philadelphia, Pennsylvania.
- How do I contact Cozen O'Connor P.C.?
- The firm's website is cozen.com.
- How many lawyers does Cozen O'Connor P.C. have?
- Cozen O'Connor P.C. has 910 lawyers in the United States, according to The Law360 400 (2026). That count covers the whole firm, not only its Philadelphia office.
- Where is Cozen O'Connor P.C. headquartered?
- Cozen O'Connor P.C. is headquartered in Philadelphia, Pennsylvania. This office is its headquarters.
- When was Cozen O'Connor P.C. founded?
- Cozen O'Connor P.C. traces its history to 1970, counting the oldest firm it grew from.
- Which law firms are near Cozen O'Connor P.C.?
- The closest firms in the directory are Ballard Spahr LLP (same location), Blank Rome LLP (same location) and Dechert LLP (same location).
- How can I check that a lawyer at Cozen O'Connor P.C. is licensed?
- Lawyers in Pennsylvania are licensed by The Disciplinary Board of the Supreme Court of Pennsylvania. Use its Look Up an Attorney at padisciplinaryboard.org to confirm a lawyer is licensed and in good standing.
Listing from © OpenStreetMap contributors, lawyer count from The Law360 400 (2026), last checked October 2026. LawFirmWebAgency is not affiliated with this firm, and a listing is not an endorsement or a measure of quality.
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