Atty. Karen A. Ash
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.
Profile Summary
About Karen A. Ash at a glance
Karen A. Ash is a trademark attorney based in New York, New York, practicing at Katten. Educated at New York Law School (J.D., 1981). Recognitions include Best Lawyers in America — Trademark Law (2026), Best Lawyers in America — Additional Areas of Practice: (2026), and Best Lawyers in America — Copyright Law (2026). Serands clients in New York, NY and the surrounding metropolitan area.
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About
- 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
Practice Areas Explained
Karen A. Ash's Areas of Practice
Each practice area below reflects the types of cases Karen A. Ash handles, with a brief overview of what that area of law covers.
Karen A. Ash is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in New York →
Jurisdictional Context
Why local counsel matters in New York
Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.
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