Expert Details

Nels Pearsall has more than 25 years experience as a testifying expert and economic consultant, including on matters involving valuations of intangible assets such as patents, trademarks, copyrights, and trade secrets. He has been retained in matters involving economic damages based on applications of lost profits, royalty rates, price erosion, and overall changes in IP asset values. He has also analyzed changes in IP values as a result of the introduction and/or existence of substitute products, alternative licensing arrangement, industry royalty rates, and other market factors.

Mr. Pearsall has testified in commercial disputes, and has been retained in matters related to future earnings, breaches of fiduciary duty and confidentiality agreements, franchise agreements, contractual default, and the impact of proposed public policy.   In antitrust matters, Mr. Pearsall has provided economic analyses of liability and damages in allegations of attempted monopolization, price discrimination, predatory pricing, price fixing, collusion, and vertical restraints.

Key Projects

Selected Publications and Speaking Engagements

Expert testimony involving patent damages in Levine v. Samsung Telecommunications, et al.

Testified on appropriate royalty rate in Synthon IP, Inc, v. Pfizer, Inc., patent litigation

Damages expert on issues related to misappropriation of trade secrets in Nexans Wires S.A. and Lacroix & Kress v. Sark-USA, Inc. and Sarkuysan Elekrtolitik Bakir Sanayii v. Ticaret A.S.

Testimony associated with valuation of music copyright In the Matter of Digital Performance Right in Sound Recordings and Ephemeral Recordings

Expert testimony involving lost profits attributed to loss of goodwill

Damages expert in international litigation involving lost profits, contractual default, breach of confidentiality, and misappropriation of intellectual property rights

Damages testimony addressing lost profits connected to real estate backed financial instruments

"Understanding Commercial Successes in Advanced Science and Technology - The Role of Technology Transfer Offices and Research Institutions," Panel Moderator, Licensing Executive Society Spring Meeting, La Jolla, CA, May 2015.

“Commercialization of Nanotech," LES Insights, November 2014.

"Commercialization and Licensing of Nanotechnology Patents," moderator, Licensing Executive Society Annual Meeting, October 2014.

"Understanding the Value of Intellectual Property,” Guest Lecturer, Wharton School of Business, University of Pennsylvania, November 2013.

“Practical Elements of Finance,” Pocket MBA Seminar, Practicing Law Institute, New York, October 2013.

“Antitrust,”  Litigation Services Handbook:  The Role of the Financial Expert, (with Don T. Hibner, Jr., Andrew E. Reisman and Roy Weinstein), Fifth Edition, New York:  Wiley, 2012.

“Economic Impact of Reduced Judiciary Funding and Resulting Delays in State Civil Litigations” (with Bo Shippen and Roy Weinstein), March 2012.

Practice Areas

Contact Information


Direct: 202.469.8655

Office: 202.328.1515 ext. 512

B.A., Virginia Polytechnic Institute and State University, Economics

M.A., Virginia Polytechnic Institute and State University, Economics

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