Duane Morris

Duane Morris LLP
Duane Morris
HeadquartersPhiladelphia, Pennsylvania
No. of offices29
No. of attorneys742 (2025)
Major practice areasGeneral practice
Key peopleMatthew A. Taylor (Chair)
Charles J. O'Donnell (COO)
RevenueIncrease US$758,380,000 (2025)
Profit per equity partnerUS$1,682,000 (2025)
Date founded1904; 122 years ago (1904)
Founder
Company typeLimited liability partnership
Websiteduanemorris.com

Duane Morris LLP is a law firm headquartered in Philadelphia, Pennsylvania. The firm was founded in 1904 as Duane, Morris, Heckscher, & Roberts, and has offices in the United States, London, Singapore, Shanghai, Myanmar, Vietnam, and Australia.

Ranking and recognition

In 2026, U.S. News & World Report recognized Duane Morris as one of the 'Best Companies to Work for' in the Law Firms category and awarded the firm top-tier national rankings in bankruptcy and creditor debtor rights/insolvency and reorganization law, construction law and litigation, employee benefits law, health care law, immigration, insurance, patent law and venture capital law.

In 2025, the Am Law 200 ranked Duane Morris as the 82nd largest law firm in the United States based on gross revenue. The firm was ranked 74th in the U.S. based on size by the National Law Journal's 2025 NLJ 500 ranking.

Growth

Chair Sheldon Bonovitz stepped down at the beginning of January 2008 and was replaced by former Vice Chair John J. Soroko. Soroko became chairman emeritus in 2017 when Matthew A. Taylor took over as chairman and CEO.

As of 2026, the firm had about 750 attorneys across 29 offices. [non-primary source needed]

In February 2020, Duane Morris merged with Satterlee Stephens.

Notable cases and deals

Notable alumni

References

  1. 1 2 "Duane Morris". Law.com. ALM Global, LLC. Retrieved 26 May 2026.
  2. ↑ "Past and Present". Duane Morris. 2013. Retrieved 29 May 2013.
  3. ↑ "Offices". Duane Morris. Retrieved 27 May 2026.
  4. ↑ "Duane Morris LLP". U.S. News & World Report. Retrieved 26 May 2026.
  5. 1 2 "Duane Morris". law.com. Retrieved 2025-11-03.
  6. ↑ Cassens Weiss, Debra (4 January 2008). "Bonovitz Steps Down as Duane Morris Chair". ABA Journal. Retrieved 26 November 2025.
  7. ↑ Cineas, Fabiola (2017-09-18). "Meet Duane Morris's Next Chairman and CEO". Philadelphia Magazine. Retrieved 2025-11-26.
  8. ↑ Tascarella, Patty (18 September 2017). "Duane Morris plans change at the top in January". Houston Business Journal. Retrieved 2025-11-26.
  9. ↑ "Duane Morris". Law.com. Retrieved 27 May 2026.
  10. ↑ "About Duane Morris". Duane Morris. 2013. Retrieved 26 May 2026.
  11. ↑ Blumenthal, Jeff. "Duane Morris putting new pieces in place after closing New York merger". Philadelphia Business Journal. Retrieved 27 May 2026.
  12. ↑ "Duane Morris LLP - Intellectual Property- Related Matters". Archived from the original on 8 December 2008.
  13. ↑ National Association of Attorneys General, Master Settlement Agreement Archived June 25, 2008, at the Wayback Machine, Page 174
  14. ↑ PA Bulletin Volume 30
  15. ↑ "Duane Morris website". Archived from the original on May 13, 2008.

Further reading