Karen A. Ash

Karen A. Ash

New York, NY recognized lawyers icon Recognized in Best Lawyers since 2015
Katten

101 Best Lawyers awards

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Awarded Practice Areas

Trademark Law

Biography

From Paris runways to retail outlets across the US, Karen Artz Ash protects the intellectual property of major names in fashion. She provides comprehensive IP counsel to designers and clothing manufacturers as well as clients in other industries in which IP assets figure prominently. The institutional memory that she and her team have established with long-time clients and within the fashion industry as a whole allow her to provide practical and deeply informed advice across a wide range of issues.

Karen has a talent for helping clients make strategic decisions about IP assets that support their overall business goals. That includes, but goes beyond, basic issues like selecting, defending and enforcing IP rights. Karen often assists with corporate structuring issues, often rooted in tax analysis, for entities with IP assets that represent a large portion of their overall value. She also strategizes on re-brandings, negotiates commercial agreements involving IP rights and helps clients to incorporate protections for their IP into their business operations. With the many international relationships in the fashion industry, Karen has developed significant experience in cross-border issues. Her team is known for its creative approach to those matters. Karen brings a background in economics and finance to her practice, and gained experience as a clerk in New York bankruptcy court that continues to benefit clients that have either gone through reorganizations or acquired assets from third parties in bankruptcy.

Katten

101 Best Lawyers awards

Katten logo

Overview

  • New York Law School, J.D., graduated 1981
  • New York Law School, J.D., graduated 1981

Client Testimonials

Karen is highly competent, knowledgeable, experienced, and highly recommended.

Christopher Fischer (3Ply,Inc.)

Karen is very knowledgeable in her area of expertise. She is quick to respond, detail-oriented, and has been a wonderful resource.

Awards & Focus

Recognized in The Best Lawyers in America® 2026 for work in:
  • Trademark Law
Additional Areas of Practice:
  • Copyright Law
  • Litigation - Intellectual Property
  • Patent Law
  • Trade Secrets Law
Special Focus:
  • Litigation
  • Trademark

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