Sidney P Blum, CPA, CFE, CFF, CPEA Expert Witness
Curriculum Vitae


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Specialties & Experience

General Specialties: Business Damages and Intellectual Property

Specialty Focus: Business Damage, Economic Damage, Accounting, Intellectual Property, DMCA, Patent, Copyright, Trademark, Royalty Audit, Fraud, False Advertising, Valuation, Breach of Contract, Wrongful Termination, Employment Law, Brands, Complex Business Litigation, Personal Injury, Lost Profits, Unjust Enrichmen

Education: Bachelor of Science in Business Administration-Accounting, California State University, Northridge

Years in Practice: 30

Number of Times Deposed/Testified in Last 4 Yrs: 30

Additional Information

LEADING ECONOMIC DAMAGES, IP, ROYALTY AUDIT, BRACH OF CONTRACT EXPERT Mr. Blum is a world renowned intellectual property, accounting, and royalty expert. He's a leading expert in reasonable royalties, royalty auditing, contract breaches, and accounting standards. He was the Chief Audit Officer of Beats (now Apple). He has authored two books on contract financial language and royalty auditing (Oxford University Press & LexisNexis). His 30+ years include 10 corporate and five as a Big 4 Partner. Economic Damages Blum is an economic damages expert witness on more than 100 federal and state cases. Cases include complex litigation, intellectual property (patents, copyrights, trademarks, false advertising, royalty auditor competence, fraud, DMCA), wrongful termination, construction defect, internet, marketing, unfair competition, oil & gas pipeline, class action, personal injury, breach of contract. Mr. Blum has deep knowledge of Georgia-Pacific factors for reasonable royalties. He was the expert on a $66 million DMCA judgment, $300 million settlement, and the two largest music copyright cases. One-third of his cases are IP. Royalty Audits Mr. Blum led the royalty audit practice for Big 4 firms Ernst & Young and KPMG where he wrote the global methodologies. As the world's leading authority on royalty auditing, he is unmatched in expertise having represented some of the world's most famous brands and individuals. He provides frequent talks to bar organizations, law firms & at major events. Fraud & Forensics Having lead more than 1,500 forensic investigations, Mr. Blum was named the Certified Fraud Examiner of the Year in 2012 by the 80,000 member Association of CFE’s. He was one of five board members. Vast Industry Experience As a Big 4 Partner and Fortune 50 employee, he has a wide range of industry experience in toys, film, music, consumer products, oil & gas, medical devices, real estate, tech / internet companies, media, software, plus other industries.