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Persuasion Expert Witnesses

Litigation involving persuasion typically arises when a party's claims, disclosures, or messaging are alleged to have improperly influenced consumers, investors, employees, or business partners. Disputes commonly center on false advertising and deceptive marketing claims, trade dress and brand confusion, franchise and licensing disagreements over promotional materials, and disputes over the ownership or misuse of proprietary sales and persuasion methodologies. Political consulting, public relations, and crisis communications engagements can also generate contract disputes when a campaign's messaging is alleged to have breached professional standards or contractual commitments. At the center of these cases is typically a question of whether a specific communication was misleading, manipulative, or a breach of an applicable professional or contractual standard.

Persuasion experts help attorneys evaluate the specific language, imagery, or messaging strategy at issue against accepted standards in rhetoric, communication theory, and consumer psychology. Their analysis can determine whether an advertisement's claims were likely to mislead a reasonable consumer, whether a sales training program's techniques crossed from legitimate persuasion into deceptive practice, or whether a public relations or political consulting engagement met the professional standards its contract required. This work supports liability determinations in false advertising and trade dress disputes, informs damages positions tied to lost sales or reputational harm, and can be used defensively to demonstrate that a communication was ordinary marketing rather than actionable deception.

Because persuasion cases often turn on how a specific audience actually processes language and imagery, the right expert typically combines academic training in rhetoric or communication with direct experience applying that training to commercial messaging. Round Table Group's persuasion network includes scholars in rhetoric and communication who have published on issues ranging from scientific and technical communication to nation-branding and international public relations, alongside practitioners with backgrounds in sales training and organizational communication for companies such as Xerox. Round Table Group has completed more than 75,000 expert searches for litigators, and we bring that experience to identifying persuasion experts whose analysis will hold up in deposition and at trial. Let us help you find the right persuasion expert for your case by calling us at (202) 908-4500.

Kinds of Cases We Work On

Round Table Group helps our clients find a wide variety of Persuasion expert witnesses for cases like:

01

Comparative Advertising Persuasion Claims Dispute.

A consumer products company sued a competitor over a comparative advertising campaign that used psychological framing techniques to imply its product was clinically superior without supporting data, diverting a significant share of market share during the campaign's run. We identified experts with experience in consumer psychology, advertising claims substantiation, and persuasive marketing research methodology. The expert's review of the underlying consumer perception study found it had been designed to produce a misleading impression rather than measure an actual product attribute, supporting a substantial settlement.
02

M&A Deal Rescission Dispute.

A business seller sued the buyer of its company, alleging the buyer's negotiating team had used high-pressure closing tactics and artificially compressed deadlines to override the seller's ability to exercise independent judgment before signing. We identified experts with experience in negotiation and decision science, commercial persuasion tactics, and undue influence assessment in business transactions. The expert's review of the negotiation timeline and communications found a pattern consistent with deliberately engineered time pressure, supporting a substantial settlement.
03

Sales Methodology Trade Secret Dispute.

A sales training company sued a former licensee, alleging the licensee had continued using its proprietary persuasion-based closing methodology after the license agreement terminated, rebranding it as an in-house program. We identified experts with experience in sales training methodology, persuasion and influence psychology, and trade secret forensic comparison. The expert's structural comparison of the two programs' scripting and objection-handling sequences found substantial overlap with the licensed methodology, supporting a substantial settlement.
04

MLM Recruitment Pitch Dispute.

A direct sales company sued a former top-level distributor after discovering the distributor had used unauthorized earnings-potential claims and psychological urgency tactics in recruitment presentations, exposing the company to a wave of complaints and a regulatory inquiry. We identified experts with experience in consumer psychology, direct sales recruitment practices, and persuasive claims substantiation. The expert's review of recorded presentations found a consistent pattern of unauthorized income claims inconsistent with the company's compliance-approved scripts, supporting a substantial indemnification recovery.
05

Placement Agent Investor Solicitation Dispute.

An investment fund sued its placement agent, alleging the agent had used misleading persuasive sales tactics to induce institutional investors into the fund based on return projections the agent knew were unsupportable, contributing to a wave of investor redemption demands. We identified experts with experience in investor communications, financial sales persuasion practices, and institutional due diligence standards. The expert's review of the agent's investor presentations found return projections inconsistent with the fund's own internal risk models, supporting a substantial recovery in mediation.
06

Sales Training Performance Guarantee Dispute.

A financial services firm sued its sales training vendor after a persuasion-based closing curriculum failed to deliver the close-rate improvements guaranteed under their training services contract, despite full implementation across the firm's sales team. We identified experts with experience in sales training program design, persuasion methodology evaluation, and sales performance measurement. The expert's analysis of pre- and post-training close-rate data found no statistically meaningful improvement attributable to the program, supporting a substantial settlement.
07

Franchise Sales Presentation Dispute.

A group of franchisees sued their franchisor, alleging the franchisor's sales presentations had used curated success-story testimonials and psychological anchoring techniques to create a misleading impression of typical unit-level earnings during the sales process. We identified experts with experience in consumer psychology, franchise sales disclosure practices, and persuasive presentation analysis. The expert's review of the sales presentation materials found the featured earnings examples were drawn from a small, unrepresentative share of the franchise system, supporting a substantial settlement.
08

Software Renewal Inducement Dispute.

A corporate customer sued its enterprise software vendor, alleging the vendor's sales team had used manipulative persuasion tactics exploiting a compressed renewal deadline to induce the customer into a multi-year renewal at above-market pricing. We identified experts with experience in commercial sales persuasion practices, negotiation dynamics, and enterprise software pricing benchmarking. The expert's review of the renewal negotiation records found the vendor had manufactured a false urgency around a contractual deadline that did not actually exist, supporting a substantial settlement.
09

Sales Script Misappropriation Dispute.

A call center services company sued a departing sales director and the competitor she joined, alleging the director had taken the company's proprietary persuasive sales scripts and objection-handling playbooks to train the competitor's sales staff. We identified experts with experience in sales script development methodology, persuasion technique analysis, and trade secret forensic comparison. The expert's line-by-line comparison of the two companies' scripts found extensive verbatim overlap, supporting a favorable arbitration award of nearly $9 million.
10

Joint Venture Capital Call Dispute.

One joint venture partner sued the other, alleging its co-venturer had used psychologically coercive negotiation tactics during a capital call negotiation to secure dilutive terms the partner would not have agreed to under normal bargaining conditions. We identified experts with experience in negotiation and decision science, undue influence assessment, and joint venture governance practices. The expert's review of the negotiation communications found a documented pattern of tactics designed to exploit the partner's time-constrained decision-making, supporting a substantial settlement.

Here are a few of our favorite Persuasion Expert Witnesses:

Rhode Island Persuasion, Rhetoric Expert #17217

I have 7 years of experience in the field of communication, with specific knowledge in the areas of rhetoric, persuasion, and communication. I have published on such topics as sociology, history of medicine, and history of language.

 

Massachusetts Rhetoric, Persuasion Expert #17489

I have 15 years of experience in the field of English language and rhetoric, with specific knowledge of knowledge construction, persuasion and interpretation. I have published on such topics as poetic construction of knowledge, cultivation of attention in education, and computer software.

 

North Carolina Public Relations, Persuasion Expert #17752

I have 9 years of experience and specialize in the field of public relations and journalism, with specific knowledge of international communication, propaganda and persuasion. I have published on such topics as international public relations, nation-branding and propaganda.

 

North Carolina Rhetoric, Science, Persuasion Expert #18943

I have 8 years of experience, and specialize in the field of rhetoric and composition with specific knowledge in the areas of rhetoric of science, rhetoric of technology and persuasion. I have published on such topics as rhetoric of genetically modified foods, biotechnology and the ethics of scientific communication.

 

California Health Communication, Persuasion Expert #19284

I have 12 years of experience and specialize in the field of interpersonal communication, with specific knowledge of health communication, communication and aging, and instructional communication. I have published on such topics as cancer in the media, love myths on TV, and closeness and power in family relationships.

 

Your Case Deserves The Best Persuasion Expert Witnesses

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The right expert witnesses and consulting experts can make your case. That’s why we have spent so many hours over the past quarter century making sure our clients have just the right expert team — whether one expert or many, early-stage advice or expert reports and testimony. Across over 50,000 expert search assignments, we have honed a unique, customized approach to identifying, analyzing and connecting with expert talent so you can focus on winning your case.

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Oklahoma Persuasion, Writing, Psychology Expert #20147

I have 20 years of experience and specialize in the field of rhetoric, with specific knowledge of psychology, persuasion and linguistics. I have published on such topics as structural linguistics, psychometrics and Roman sexuality.

 

Texas Persuasion Expert #20484

I have 35 years of experience in the field of communication, with specific knowledge of persuasion, popular culture, and apocalyptic belief. I have published on such topics as rhetorical style, apocalyptic rhetoric, and popular culture.

 

New York Persuasion, Perception Expert #24210

I have 25 years of experience, and specialize in the field of communication with specific knowledge in the areas of impression management, interpersonal perception and interpersonal communication. I have published on such topics as interpersonal perception, sex differences in interpersonal communication and verbal and nonverbal message production.

 

Texas Persuasion, Emotion Expert #28637

I have 7 years of experience, and specialize in the field of social psychology with specific knowledge in the areas of persuasion, attitude measurement and emotion. I have published on such topics as attitudes, happiness and emotion.

 

Minnesota Pricing, Influence, Persuasion Expert #31540

I have 16 years of experience in the field of marketing, with specific knowledge of consumer behavior, behavioral pricing and persuasion. I have published on such topics as pricing, consumer decision making and psychological influence.

 

Virginia Sales, Selling, Persuasion Expert #34117

I have 25 years of experience, and specialize in the field of training with specific knowledge in the areas of selling, training and managing of salespeople. I have published on such topics as sales, training and travel. I have testified on sales training. I have three best selling books, former Xerox manager of trainers, and senior sales training consultant for Xerox.

 

Put Our Persuasion Expert Network to Work for You

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Our huge network of experts – eminent university professors and practitioners who have achieved renown as thought leaders in their fields – combined with unparalleled research capabilities puts the experts you need at your disposal when and where you need them.

If you’re a litigator or general counsel, we want to put this network to work for you and your clients. Let us know how we can help by calling us at (202) 908-4500 or filling out the form on this page. We’re so confident you’ll love what we do that unless you retain an expert we present there’s no charge!

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Questions Attorneys Ask About Persuasion Expert Witnesses:

A persuasion expert becomes relevant when a case turns on whether specific marketing, sales, or communications content was likely to mislead its audience or breached a professional standard — for example, in false advertising claims, trade dress disputes, or disputes over a franchise's promotional materials. These cases require someone who can analyze the actual communication rather than simply its outcome.
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