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Clients get the expertise they need plus the experience they want.

Since 2005, more than 100 law firm clients have trusted Harper Litigation Consulting and Research for expert witness support in cases involving Lanham Act Surveys, Licensing, Commercial Reasonableness, Defamation, and more. Many clients have engaged Harper Litigation Consulting and Research for more than one project for a client or for more than one case.

Select Clients

Case Clients


* Repeat Clients For More Than One Case.   ** Retained For More Than One Project For One Case.

Akerman LLP

Akin Gump Strauss Hauer & Feld

Albritton Law Firm

Altman Law Group

Anderson & Anderson LLP

Astourian & Associates Inc.

Atkinson, Andelson, Loya, Ruud & Romo

Barnes & Thornburg LLC**

Benton Law Firm

Brinks Gilson & Lione

Bowman Brooke

Brown Fox Law

Braxton Hilton & Perrone PLLC

Brunini, Grantham, Grower & Hewes, PLLC**

Colley Shroyer and Abraham

Collen IP*

Connelly Rose

Cox Wootton Lerner

Clark Hill**

David Howard Law Firm PC

Davis Firm

Dawson Parish PC

Dentons US LLP*,**

Ditthavong & Steiner**

Dunlap Bennett & Ludwig**

Espinosa Tueba PL

Feldman Law Group

Fitzhugh Alvalero and Lee

Foley & LardnerLLP *, **

Foster Pepper PLLC**

Foust Partners

Fox Rothschild**

Friedman & Feiger

Frutkin Law Firm PLC

Gibson Dunn & Crutcher

Goldfarb PLLC

Goodsill Anderson Quinn & Stifel

Grant, Genovese & Baratta, LLP

Gray Robinson

Greenberg Traurig LLP*, **

Hagans Montgomery Rustay PC

Hartline Dacus Barger Dreyer LLP

Hedrick Kring PLLC

James H Horton Law Offices PC

John J Skinner

Jones Waldo Holbrook & McDonough

Kane Russell Coleman & Logan PC

Kirkland & Ellis LLP

Law Offices of Mark B. Rosen

Law Offices of William G. Shaw Jr.

Lee Shome & Kennedy LLP**

Lexero Law

Lipton Weinberger & Husick

Lowe Hauptmann Ham & Berner LLP

Madden & Madden PA

Manning & Kass Ellrod, Ramirez, Trester LLP

Mark G. Usdin PA

Matesky Law PLLC**

McArthur Law Practice

McCauley Westberg & Ramirez PLLC

McDavid & Associates PC

Merchant Law Group

McDonnell Boehnen Hulbert & Berghoff LLP

Michael Freund & Associates

Michelman & Robinson, LLP

Morris Manning & Martin

Morrison & Foerster LLP

Mullin Russ Kilejian PC

Munger Tolles & Olsen LLP

Niro Haller & Niro Ltd.

O'Melveny & Myers LLP


Paul Hastings LLP

Paul Owens Law Firm

Paul Wilkinson Law Firm LLC

Pennington PA

Ramirez and Associates PC

Richard Harrison PA Attorneys at Law

Romero Park PC

Sandberg Phoenix & Von Gantard*,**

Shackelford Melton & McKinley

Shafer & Associates PC

Sheef & Stone LLP

Sheehy Ware & Pappas

Sloan Matney

Spangenberg Shibley & Liber LLP

Stinson Leonard Street**

Sullivan & Cromwell LLP

Swanson & Bratschun LLC

Taylor Porter **

Thomas & LoCicero PL

Thompson Coe

Touchstone Bernays Attorneys at Law

Underwood Perkins

Van De Poel, Levy, Arneal & Serot, LLP

Vedder Price*, **

Venable PC

Vorys Sater Seymour and Pease LLP

Wagner Law

Wagner McLaughlin PA

Womble Bond Dickinson**

Wright Close

Zuber Lawler & Del Duca LLP

Expert Witness

Ms. Harper has provided litigation consultation and expert witness services since 2005. On behalf of Plaintiffs and Defendants (60%/40% respectively), more than 100 law firm clients have engaged her to provide 65+ surveys, 80+ reports, 30+ rebuttals, 45+ depositions, and to testify in 20+ trials.

Ms. Harper has provided courtroom testimony in cases involving Trademark Infringement, Trade Dress Infringement, Patent Infringement, Misleading and False Advertising, Licensing, Defamation, Commercial Reasonableness, Breach of Contract / Performance, and merchandising and product related Personal Injury.

Headquartered in Dallas, TX, Ms. Harper provides expert services nationwide. Specifically, she has provided litigation consulting and research services for clients in virtually every circuit as well as JAMS and TTAB.


Select Trademark and Trade Dress Case Client Categories

  • Advertising Services
  • Airlines
  • Apparel
  • Bags
  • Bars
  • Beverage
  • Cannabis Company
  • E-commerce Travel Websites
  • Financial Services
  • Insurance Company
  • Farm Equipment
  • Food
  • Health & Beauty Aids
  • Home Entertainment Company
  • Home Improvement Products
  • HVAC Company
  • Jeans
  • Marriage Ministries
  • Restaurants
  • Retailers
  • Small Appliances
  • Swimming Pool Company
  • Technology
  • Tools
  • Toys
  • Utility Company
  • Vaping Manufacturer
  • Vaping Retailer
  • Tools

Trademark Infringement | Trade Dress Infringement | Misleading Advertising | Licensing | Defamation | Commercial Reasonableness | Likelihood of Confusion | Secondary Meaning | Genericness | IP Infringement | Consumer Surveys