Duane Morris

Last updated
Duane Morris LLP
Duane Morris LLP logo.png
Headquarters Philadelphia, Pennsylvania
No. of offices29
No. of attorneys800+
Major practice areasGeneral practice
Key peopleMatthew A. Taylor (Chair)
Charles J. O'Donnell (COO)
RevenueIncrease2.svg US$526,230,000 (2021) [1]
Profit per equity partner US$1,081,000 (2021) [1]
Date founded1904;121 years ago (1904)
Founder
Company type Limited liability partnership
Website duanemorris.com

Duane Morris LLP is a law firm headquartered in Philadelphia, Pennsylvania. The firm was founded in 1904 as Duane, Morris, Heckscher, & Roberts, [2] and has offices in the United States, London, Singapore, Vietnam, Oman, Myanmar, Shanghai, and Taiwan. [3]

Contents

Ranking and recognition

U.S. News & World Report awarded[ when? ] Duane Morris 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, U.S. News & World Report recognized the firm as one of the 'Best Companies to Work for' in the Law Firms category. [4]

In 2025, the Am Law 200 ranked Duane Morris as the 82nd largest law firm in the United States based on gross revenue. [5] The firm was ranked 74th in the U.S. based on size by the National Law Journal's 2025 NLJ 500 ranking. [5]

Growth

Chair Sheldon Bonovitz stepped down at the beginning of January 2008 and was replaced by former Vice Chair John J. Soroko. [6]

As of 2017, the firm had more than 750 attorneys across 27 offices. [3] [7] [ non-primary source needed ]

In January 2020, Duane Morris reached a merger agreement with Satterlee Stephens. [8]

Notable cases and deals

Notable alumni

References

  1. 1 2 "Duane Morris". Law.com. ALM Global, LLC. Retrieved 17 May 2022.
  2. ↑ "Past and Present". Duane Morris. 2013. Retrieved 29 May 2013.
  3. 1 2 "Office List". Duane Morris. 2013. Retrieved 29 May 2013.
  4. ↑ "Duane Morris LLP". U.S. News & World Report. Retrieved 3 November 2025.
  5. 1 2 "Duane Morris". law.com. Retrieved 2025-11-03.
  6. ↑ "Duane Morris LLP - Sheldon Bonovitz Steps Down as Duane Morris Chairman, John Soroko Takes Over Law Firm Leadership". www.duanemorris.com. Retrieved 2022-03-18.
  7. ↑ "About Duane Morris". Duane Morris. 2013. Retrieved 29 May 2013.
  8. ↑ "New York law firm to merge with Duane Morris". Delaware Business Now. 2020-01-21. Retrieved 2020-02-24.
  9. ↑ "Duane Morris LLP - Intellectual Property- Related Matters". Archived from the original on 8 December 2008.
  10. ↑ National Association of Attorneys General, Master Settlement Agreement Archived June 25, 2008, at the Wayback Machine , Page 174
  11. ↑ PA Bulletin Volume 30
  12. ↑ "Duane Morris website". Archived from the original on May 13, 2008.

Further reading

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