People: Katherine E. Perrelli, Partner
Biography
Ms. Perrelli is a partner in the firm’s Boston office and Chair of Seyfarth’s national Litigation Department. She is a trial lawyer with over 25 years of experience representing regional, national, and international corporations in the financial services, transportation, manufacturing, technology, pharmaceutical, and staffing industries. Her commercial practice focuses on trial work and counseling in the areas of trade secrets and restrictive covenants, unfair competition and complex commercial disputes. Her experience spans all forms of dispute resolution, including mediation and arbitration, as well as litigation in federal and state courts and before administrative agencies across the country. On the employment side, Ms. Perrelli’s practice focuses on trial work and counseling regarding employer compliance with the ADA, ADEA, Title VII and all other state and governmental laws affecting employers.
Ms. Perrelli is a certified Six Sigma Green Belt. Using Lean Six Sigma and project management methodologies, our SeyfarthLean approach delivers increased value to our clients at a time of increased market pressures and competitive demands. Seyfarth’s commitment to delivering legal services in a new way—with an emphasis on value and continuous improvement—has been praised by the Association of Corporate Counsel as being "five years ahead of every other AmLaw 200 firm."
Ms. Perrelli is a member of the ABA Intellectual Property Law Section and chair of the “Interaction with Employment Law” topical subcommittee of the Trade Secrets Committee.
Ms. Perrelli has been selected regularly as one of the state’s “Super Lawyers” and “Top Women Lawyers” in a joint survey conducted by the publishers of Law and Politics magazine and Boston magazine, as part of a special publication entitled “The Top Attorneys in the Northeast.”
Ms. Perrelli is a partner in the firm’s Boston office and Chair of Seyfarth’s national Litigation Department. She is a trial lawyer with over 25 years of experience representing regional, national, and international corporations in the financial services, transportation, manufacturing, technology, pharmaceutical, and staffing industries. Her commercial practice focuses on trial work and counseling in the areas of trade secrets and restrictive covenants, unfair competition and complex commercial disputes. Her experience spans all forms of dispute resolution, including mediation and arbitration, as well as litigation in federal and state courts and before administrative agencies across the country. On the employment side, Ms. Perrelli’s practice focuses on trial work and counseling regarding employer compliance with the ADA, ADEA, Title VII and all other state and governmental laws affecting employers.
Ms. Perrelli is a certified Six Sigma Green Belt. Using Lean Six Sigma and project management methodologies, our SeyfarthLean approach delivers increased value to our clients at a time of increased market pressures and competitive demands. Seyfarth’s commitment to delivering legal services in a new way—with an emphasis on value and continuous improvement—has been praised by the Association of Corporate Counsel as being "five years ahead of every other AmLaw 200 firm."
Ms. Perrelli is a member of the ABA Intellectual Property Law Section and chair of the “Interaction with Employment Law” topical subcommittee of the Trade Secrets Committee.
Ms. Perrelli has been selected regularly as one of the state’s “Super Lawyers” and “Top Women Lawyers” in a joint survey conducted by the publishers of Law and Politics magazine and Boston magazine, as part of a special publication entitled “The Top Attorneys in the Northeast.”
Education
-
J.D., Western New England University School of Law (1984)
Member, Western New England University School of Law Review - B.A., Skidmore College (1980)
Admissions
- Massachusetts
- Connecticut
- New York
Courts
- U.S. District Court for the District of Massachusetts
- U.S. District Court for the District of Connecticut
- U.S. District Court for the Southern and Eastern Districts of New York
- U.S. Court of Appeals for the First Circuit
Seyfarth Blog Contributor

Law360 Practice Group of the Year
Seyfarth named one of Law360's top Employment "Practice Groups of the Year."

SeyfarthLean®
A different way of thinking about and delivering legal services.

2017 Workplace Class Action Litigation Report
Order the Seyfarth Shaw 2017 Workplace Class Action Report.