Brien T. O'Connor
Recognized since 2009
Boston, Massachusetts
Practice Areas
Bet-the-Company Litigation
Biotechnology and Life Sciences Practice
Commercial Litigation
Criminal Defense: White-Collar
Litigation - Regulatory Enforcement (SEC, Telecom, Energy)
Contact & Links
Location
- Prudential Tower
800 Boylston Street
Boston, MA 02199-3600
Education
- University of Pennsylvania, J.D., graduated 1985
Headquarters:
Boston, Massachusetts
116 The Best Lawyers in America® awards
95 Best Lawyers: Ones to Watch® in America awards
Named "Lawyer of the Year" by Best Lawyers® for:
- Litigation - Regulatory Enforcement (SEC, Telecom, Energy), Boston (2025)
- Litigation - Regulatory Enforcement (SEC, Telecom, Energy), Boston (2022)
- Biotechnology and Life Sciences Practice, Boston (2021)
- Biotechnology and Life Sciences Practice, Boston (2017)
- Bet-the-Company Litigation, Boston (2015)
Recognized in The Best Lawyers in America® 2025 for work in:
- Bet-the-Company Litigation
- Biotechnology and Life Sciences Practice
- Commercial Litigation
- Criminal Defense: White-Collar
- Litigation - Regulatory Enforcement (SEC, Telecom, Energy)
Special Focus:
- COVID-19
Additional Areas of Practice:
- Qui Tam Law
Publications
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