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).