Led by Ted Chiappari from the firm’s New York office, Duane Morris LLP assists multinational corporations, privately held companies, start-up ventures, and non-profit organizations with a full range of immigration and naturalization services, and also manages immigration-related litigation and government compliance matters. Noted for her ‘genuine commitment to clients and their matters’, Washington DC-based Denyse Sabagh brings more than three decades of experience managing inbound and outbound employment-based immigration for a diverse client base, and handles I-9 audits, consular processing, and the immigration implications of criminal charges. She is supported by Pierre Georges Bonnefil, who represents clients before the US Department of Homeland Security, various offices of the US Citizenship and Immigration Services, and the US Department of Justice.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘What distinguishes this practice is the depth of subject-matter expertise combined with a highly results-oriented approach. The team demonstrates strong command of the law and invests significant time in efficient preparation and rigorous research before taking on a matter, ensuring that each case is approached with clarity, strategy, and precision from the outset.'

  • 'I have worked with Denyse Sabbagh, who stands out for her genuine commitment to the client and their matters. She is highly supportive, exceptionally efficient, and provides clear, thoughtful explanations at every stage of the process. What differentiates her is not only her technical competence but also her empathy, responsiveness, and ability to instill confidence during complex or time-sensitive situations.'

  • 'The practice stands out for its responsiveness, efficiency, and ability to deliver high-quality outcomes within compressed timelines. Potential clients would value the team’s proactive mindset, practical advice, and disciplined execution, which consistently translate into successful results. The collaborative way in which matters are handled further enhances both efficiency and client confidence.'
  • ‘Excellent team. Very attentive to clients. Great follow-up.’

Key clients

  • Pates & Tradition LLC
  • Blackstone

Work highlights

Successfully filed an E-2 and accompanying I-539 for a spouse after a lengthy RFE from USCIS. The clients own restaurant Pates & Tradition in New York City.
Achieved Permanent Resident status for senior partner at Blackstone.

Lawyers

Hall of Fame

The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Practice head

Ted Chiappari

Other key lawyers

Denyse Sabagh; Pierre Georges Bonnefil