Scientific
Survey
Research

for
Litigation

Consumer survey research and expert witness testimony for trademark and deceptive advertising litigation
Services

Survey & Expert Witness Services

Consumer Perception Surveys
  • Likelihood of Confusion
  • Secondary Meaning (Acquired Distinctiveness)
  • Genericness
  • Fame/Dilution
  • Deceptive Advertising
Expert Consulting & Testimony
  • Expert Reports & Testimony
  • Evaluation of Expert Surveys
  • Pilot Surveys
  • Rebuttal Surveys & Reports
  • Attorney Support for Depositions

Why partner with FocusMark?

Scientific Rigor
Survey evidence must withstand exacting scrutiny. Our work is grounded in leading treatises and peer-reviewed research, ensuring surveys meet recognized standards of reliability under Daubert and related admissibility frameworks.
High-Stakes Experience
Dr. Carden has worked on more than 50 trademark, patent, and false advertising matters, including cases before federal and state courts, the NAD, and TTAB.
Speed & Flexibility
From rapid pilot testing to complex rebuttal surveys, we adapt to the demands of litigation. We deliver timely analysis under tight deadlines while maintaining the highest methodological standards.

Principal: Dr. Lucas Carden

Dr. Lucas Carden is a survey research expert with over a decade of experience designing and analyzing surveys in litigation, academic, and corporate market research settings.

In litigation, Dr. Carden has been retained as an expert in federal matters and has worked on more than 50 trademark, patent, and false advertising cases, including proceedings before federal and state courts, the Trademark Trial and Appeal Board, and the National Advertising Division.

Dr. Carden holds a Ph.D. in psychology from the University of Southern California, with a specialization in social and consumer psychology. He has held academic positions at the USC Marshall School of Business and Occidental College.

In the corporate sector, Dr. Carden has conducted consumer survey research and consulting for Fortune 500 companies across industries such as consumer products, healthcare, and technology.
Learn more
  • Selected Disputes in which Dr. Carden Provided Consulting Services for Survey Expert’s Report and/or Survey Expert’s Testimony
  • Hermès International and Hermès of Paris, Inc., v. Mason Rothschild.
  • USDC - Southern District of New York
  • Nike, Inc. v. Stockx LLC.
  • USDC - Southern District of New York
  • The Pennsylvania State University v. Vintage Brands LLC.
  • USDC - Middle District of Pennsylvania
  • Adidas America, Inc., an Oregon Corporation; and Adidas AG, a Foreign Entity v. Thom Browne Inc.
  • USDC - Southern District of New York
  • Delta Airlines Inc. v. Marriott International, Inc. & Marriott Worldwide Corporation.
  • USDC - Northern District of Georgia, Atlanta Division
  • Fujifilm North America Corp. v. PLR IP Holdings LLC and PLR Brand Services LLC.
  • USDC - Southern District of New York