Kate D. Seib

Kate D. Seib

Kate D. Seib

Kate Seib is a senior attorney in the firm’s Litigation Department. Her practice focuses on both litigation and regulatory compliance advice for consumer products companies. Ms. Seib has extensive experience in providing risk management and compliance advice to FDA regulated clients, particularly to those in the food, dietary supplement and pharmaceutical industries. She is a member of the firm’s Products Liability & Mass Torts Group and often defends leading companies in lawsuits involving FDA regulated consumer products.

Professional Activities

Ms. Seib is a member of the New York City Bar Association and of the Defense Research Institute.

Professional Experience

Prior to joining Goodwin in 2011, Ms. Seib was an associate at Drinker Biddle & Reath LLP. During law school she served as an intern for the Hon. Robert P. Patterson, Jr. of the U.S. District Court for the Southern District of New York.


In 2013 and 2014, Ms. Seib was recognized by Super Lawyers (New York Metro) as a “Rising Star” for Class Action/Mass Torts and Personal Injury – Products: Defense.

Areas of Practice


Ms. Seib’s practice includes both litigation and regulatory compliance advice. In the litigation area, she represents defendants in complex products liability or mass tort cases, particularly in consolidated, class action and multidistrict (“MDL”) proceedings. She serves on the national counsel team for a leading pharmaceutical manufacturer in mass torts in New Jersey and California, as well as in individual cases in multiple jurisdictions across the country. She has worked on matters involving a variety of different products, including foods, dietary supplements, and pharmaceuticals. Ms. Seib has participated in all phases of consumer products litigation, including drafting and responding to written discovery, taking and defending depositions, dispositive motion practice, expert witness preparation, arguments at hearings, and trials and appeals. She has also assisted in the preparation for and conduct of an ICC arbitration, including drafting pleadings and preparing corporate representatives and expert witnesses.

On the product compliance and risk management front, Ms. Seib advises the firm’s food, supplement and consumer products clients on risk management and FDA regulatory compliance issues, including on manufacturing practices. She also advises food, dietary supplements and consumer products companies on a variety of FDA and CSPC compliance and risk management matters, including GMP compliance, audit compliance, supply agreements, insurance issues, and related regulatory issues and litigation avoidance strategies. In the merger and acquisition context, she conducts diligence and drafts and negotiates relevant deal document provisions for clients in the food, supplement and consumer products industries.



J.D., 2006
Boston College Law School
B.A., 2001
Boston College

(cum laude)



New York
New Jersey


U.S. Court of Appeals for the Third Circuit
U.S. District Court of New Jersey
U.S. District Court for the Southern District of New York
U.S. Court of Appeals for the Sixth Circuit
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