Sean A. Petterson

Sean A. Petterson

Commercial Litigation

5.0 (1 reviews)
New York, New York
4+ years experience
Updated:

Contact Information

250 Hudson Street, Eighth Floor New York NY US
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Bio

With 4 years in practice, Sean A. Petterson handles Commercial Litigation matters in New York. Drawing on 4 years of experience, A. Petterson provides knowledgeable counsel in Commercial Litigation. A. Petterson believes in building strong attorney-client relationships based on trust and results. A. Petterson works closely with clients to develop tailored strategies for their unique situations. Licensed in New York, A. Petterson combines legal expertise with ethical practice.

Practice Areas

Commercial Litigation

Awards & Recognition

  • Recognized: Commercial Litigation
  • “Ones to Watch,” Best Lawyers, 2021-2026
  • “Lawdragon 500 Leading Plaintiff Consumer Lawyers in America,” Lawdragon, 2025
  • “Rising Star for New York Metro Area,” Super Lawyers, 2021-2022

Recognized in Ones to Watch since 2021

Education

  • New York University, J.D. , graduated 2015
  • Brandeis University, B.A (Summa Cum Laude) History and American Studies, graduated 2011

Reviews

K

Kimberly Hall

2 weeks ago

A Strategic and Tenacious Advocate in Commercial Litigation

When my small business faced a complex breach of contract dispute with a much larger supplier, I was referred to Sean Petterson at Lieff Cabraser. From our initial consultation, his command of the intricate details was evident. He didn't just recite legal principles; he drew clear, strategic connections to the specifics of our case, demonstrating the analytical depth you'd expect from an NYU-trained attorney. His approach was methodical yet aggressive when necessary, perfectly balancing professionalism with a genuine personal investment in achieving a favorable outcome. Sean’s recognition by Best Lawyers as 'One to Watch' was immediately understandable—his work product was meticulous, and his counsel was both pragmatic and forward-thinking. He successfully navigated us through pre-trial negotiations, securing a settlement that not only covered our damages but also preserved a critical business relationship. Sean’s blend of sharp intellect, clear communication, and relentless dedication made an incredibly stressful situation manageable. He is an exceptional attorney who delivers results that truly justify his growing reputation in the New York legal community.

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