Umberg Zipser LLP is a premier business litigation and intellectual property boutique law firm based in Orange County, California. Drawing on decades of experience from some of the nation’s largest and most prestigious law firms, as well as national and state government service, the firm provides exceptional legal work with the personalized attention of a boutique practice. It is consistently recognized for excellence in complex litigation and intellectual property matters.
The firm combines big-firm expertise with small-firm efficiency, allowing it to handle sophisticated matters for large corporations while remaining agile enough to serve small businesses and entrepreneurs. Its attorneys are deeply committed to community and professional service, regularly handling pro bono matters and holding leadership roles in legal and civic organizations. The team includes professionals with advanced technical degrees and extensive trial experience in both state and federal courts.
Services Offered
- Patent prosecution (domestic and international)
- Trademark prosecution (domestic and international)
- Intellectual property litigation (patents, trademarks, copyrights, trade secrets, false advertising)
- Commercial litigation (breach of contract, fraud, unfair competition, business torts)
- Lawyer liability and legal ethics defense
- Class action litigation
- Government and regulatory matters
- White collar investigations and defense
- Professional liability disputes
- Employment litigation
- Real estate litigation
- Shareholder and derivative litigation
- Partnership disputes
- Unfair competition claims
- IP strategy and counseling
- Licensing
- Ethics counseling
The firm serves clients across diverse industries and has been repeatedly honored with Tier 1 rankings in metropolitan Orange County for practice areas including Bet-the-Company Litigation, Commercial Litigation, Copyright Law, and Intellectual Property Litigation. Attorneys at Umberg Zipser LLP are consistently recognized by publications such as The Best Lawyers in America® and IAM Strategy 300.
