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Chernoff Vilhauer LLP

United States 2024

General Information

Year founded: 1970
This is the year the firm (or its earliest predecessor entity) was founded.
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Content is provided by the firm.
Since its founding in 1970, Chernoff, Vilhauer, McClung & Stenzel, LLP has practiced all phases of intellectual property law and litigation relating to patents, trademarks, copyrights, trade secrets, licensing, computer technology, franchising, unfair competition, trade dress and false advertising. The firm's partners average 25 years experience and over 20 years longevity with the firm, and all of the firm's attorneys have technical degrees in physical or biological sciences. Specialized expertise is available in the biological, chemical, mechanical, electrical, electronic and computer fields. The firm has an active litigation practice, representing its clients effectively in federal court trials of the highest complexity with respect to the enforcement and defense of patent, trademark, unfair competition and false advertising claims.


Chernoff Vilhauer LLP is metro ranked in 4 practice areas. Best Law Firms rankings are based on a rigorous evaluation process.

Read how Best Law Firms ranks firms

Metro Rankings

Tier 1 for Copyright Law
Tier 1 for Patent Law
Tier 1 for Trademark Law
Tier 2 for Litigation - Patent

About Our Clients

Allerderm Laboratories, Inc.; Bend Research, Inc.; Brooklyn Hardware; Cascade Corp., Inc.; Chinook Asia; Cyber Acoustics, LLC; The Greenbrier Cos.; Gunderson, LLC; Iseli Nursery; Kool Pak, LLC; Leatherman Tool Group, Inc.; Leupold and Stevens; Longview Fibre Co.; Magno-Humphries Laboratories, Inc.; Microsound Systems, Inc.; NF Formulas, Inc.; Neil Kelly Co., Inc.; Nike, Inc.; Nutrition Now, Inc.; O'Loughlin Trade Shows; Planar Systems, Inc.; Pfizer, Inc.; Random Lengths Publications, Inc.; Relcom, Inc.; Richards Homewares; SAE, Inc.; Sartorius A.G.; Sam Medical Products; Sharp Laboratories of America, Inc.; Soloflex, Inc.; Stash Tea Company; Taylor Corporation; Tidland Corp.; Universal Enterprises, Inc.; Videx, Inc.; ViewPlus Technologies, Inc.; White's Electronics, Inc.; World Class Technology


Metro Rankings

Tier 1 for Copyright Law
Tier 1 for Patent Law
Tier 1 for Trademark Law
Tier 2 for Litigation - Patent

Practice Areas

The below are areas of legal specialty volunteered by the firm and do not designate a specialty in which a Best Law Firms ranking is held.
  • Copyright Law
  • Litigation - Intellectual Property
  • Litigation - Patent
  • Patent Law
  • Trademark Law

Individuals Recognized in The Best Lawyers in America®

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Main Location

Portland, OR
111 Southwest Columbia Street, Suite 725
Portland, OR 97201
United States
503-227-5631 Call our Portland, OR location at 503-227-5631 Get Directions Get directions to our Portland, OR location

Office Locations

Vancouver, WA
1112 Daniels Street, Suite 200
Vancouver, WA 98660
United States
Call our Vancouver, WA location at Get Directions Get directions to our Vancouver, WA location


Business Admin
Tonia L. Closson
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