Paul B. Derby


Paul Derby litigates a variety of matters, including complex business disputes, fraud, breach of contract, partnership disputes, employment, securities, class actions, trade secrets, misappropriation of likeness, real estate, professional negligence, entertainment, dissolution and accounting, and business valuation. Paul has also been involved in other types of litigation related to bankruptcy, insurance, products liability, and personal injury. Paul is a trial lawyer with a national litigation practice, handling matters in state and federal courts and also appeals.

Paul has been named a “Super Lawyer” every year since 2013, placing him among the top 5% of all practicing lawyers in Southern California, and was named a “Rising Star” every year from 2006 through 2011, placing him among the top 2.5% of Southern California lawyers under 40 years of age. Paul is also rated AV Preeminent (5.0 out of 5.0, highest rating) by Martindale Hubbell, and 10.0 out of 10.0 by Avvo.

Representative Matters

Liaison counsel in the dozens of class actions filed nationwide by pay-per-view purchasers in connection with the Pacquiao-Mayweather fight.

Represented dissenting shareholders in a statutory appraisal proceeding in Delaware Chancery Court, resulting in successful verdict for tens of millions of dollars. See Crescent/Mach I Partnership, L.P. v. Turner, 2007 Del. Ch. LEXIS 63 (Del. Ch. May 2, 2007).

Successfully reversed federal district court summary judgment ruling, permitting various securities fraud claims to proceed to trial. See Mausner v. Marketbyte, LLC, 2016 U.S. App. LEXIS 18929 (Oct. 20, 2016).

Lead counsel defending alternative energy company in billion-dollar trade secrets lawsuit. After years of litigation, the matter was favorably settled for nuisance value.

Represented auction house in dispute with Kobe Bryant regarding ownership and right to sell certain sports memorabilia. This dispute was favorably settled on confidential terms.

Represented manager in breach of contract dispute with sports icon. This dispute was favorably settled on confidential terms, prior to the commencement of any litigation.

Represented The Walt Disney Co. against hundreds of millions of dollars in royalty claims. The company successfully sought terminating discovery sanctions against the plaintiff. See Stephen Slesinger, Inc. v. Walt Disney Co., 155 Cal. App. 4th 736 (2007).

Defended and first chaired trial of various employment claims, resulting in one plaintiff owing money prior to costs, and the other plaintiff recovering only $7,000, despite the total claims totaling close to $1 million.

Represented Maguire Properties against breach of lease claims. See Quick Loan Funding, Inc. v. Maguire Properties – 3121 Michelson LLC, 2006 Cal. App. Unpub. LEXIS 5400 (2006). This dispute was favorably settled on confidential terms.

Represented Rabobank, the third largest Dutch bank, in a $500 million fraud action against the largest Canadian bank related to the sale of certain Enron-related securities. This dispute was favorably settled on confidential terms.

Represented a prominent inventor against various contract and employment-related claims. The former employee’s claims, which totaled many millions of dollars, were settled for pennies on the dollar.

Represented group of shareholders in connection with fraud and securities claims against publicly-traded entertainment company. This dispute was favorably settled on confidential terms.

Represented an Oregon non-profit company against wrongful termination and other employment related claims. All claims were dismissed on summary judgment.

Represented a major insurance company in connection with fraud claims by the California Insurance Commissioner. See Low v. Altus Finance S.A., 136 F. Supp. 2d 1113 (C.D. Cal. 2001).

Successfully arbitrated claims related to the dissolution of a wind energy partnership, accounting for the partnership’s assets, and fraud. Each of plaintiffs’ nearly one dozen tort and contract claims was adjudicated in favor of Mr. Derby’s clients.

Represented an actress on misappropriation of likeness claims against Belvedere Vodka and other defendants. This dispute was favorably settled on confidential terms, after only a couple months of litigation.

Brought professional negligence claims against a CPA related to the negligent preparation of tax returns. This dispute was favorably settled on confidential terms, after only a couple months of litigation.

Handled appeal of alter ego determination against client, obtaining complete reversal, and subsequent payment of fees incurred on appeal. See Saleigh v. C.M. Meiers Co., 2014 Cal. App. Unpub. LEXIS 989 (Feb. 6, 2014).

Awards & Accolades

“I have worked closely with Paul Derby for over a decade, and I appreciated and valued his critical insights, thoughtful and superb writing and genial nature. As Paul has moved to his new firm, I have referred acquaintances (and family members) to Paul with complete confidence that Paul will dedicate himself to their cause and fight the right fights on their behalf. If I needed counsel, I would surely turn to Paul.” – Peter J. Most, Partner, McKool Smith Hennigan


“Paul Derby is a brilliant litigator. I have seen him handle extremely complex cases in a first rate manner.” – Jeremy Rosen, Partner, Horvitz & Levy, and Top 100 California Lawyer


“Paul Derby is one of the finest litigators in the country, literally a lawyer’s lawyer. He demostrates an uncanny ability to decisively win even when the opposition does everything to delay, confuse and febricate. Thank you Paul for achieving an outstanding victory.” – Abe Sher, CEO, Aqua Sciences, Inc.


“Paul Derby is a smart, efficient and highly effective lawyer who I repeatedly turn to for assistance without a moment’s hesistation.” – Nathan Cohen, CEO, L&R Group of Companies


“Over the many years that I worked with Paul, he amazed me with his tenacity, ferocity and passion in pursuit of his clients’ interests. Clients and judges alike love him because simply put: Paul delivers.” – Allison K. Chock, Investment Manager and Legal Counsel, Bentham IMF

Named a Super Lawyers by California Super Lawyers (2013-2019)

Named a Rising Star by California Super Lawyers (2006-2001)

Highly Rated:

Martindale Hubbell, Rated AV Preeminent, 5.0 out of 5.5 (highest rating)

Avvo, Rated 10.0 out of 10.0 (superb rating)

Contact Information

633 West Fifth Street, Suite 5800
Los Angeles, California 90071

(213) 788-4500

University of California at Los Angeles (UCLA) Law School

Managing Editor, UCLA Law Review
Winner, UCLA Moot Court Competition, “Best Team” 1999
Winner, American Jurisprudence Award, UCLA Law, Moot Court

University of Redlands, California

B.A., History
B.A., Government
with college and departmental honors

Judicial Externship

Judicial Extern for Hon. Alex Kozinski, United States Court of Appeals for the Ninth Circuit (Spring 1999)

Bar Admissions
State Bar of California
District of Columbia
United States Supreme Court
U.S. Courts of Appeals

Ninth Circuit

U.S. District Courts

Northern District of California

Southern District of California

Central District of California

Professional & Community Involvement
Professional Activities

California Bar Association

Business Trial Lawyers

Los Angeles County Bar Association

Former Membership Chair, Real Estate Committee, American Bar Association Section on Litigation

Community Service

Voluntary Settlement Conference Officer, Los Angeles Superior Court

1601 Elm St
Suite 4400
Dallas, TX 75201

(214) 978-6600

Los Angeles
633 West Fifth Street
Suite 5800
Los Angeles, California 90071

(213) 788-4500