IRVINE, Calif. — Umberg/Zipser LLP has been recognized in the Chambers Spotlight California 2026 guide, earning distinction in both Intellectual Property and Litigation: General Commercial. This marks the firm’s second consecutive year recognized for its Intellectual Property practice and its first year included for Litigation.
The Chambers Spotlight guide highlights outstanding small to mid-sized firms that deliver sophisticated legal services and serve as strong alternatives to larger firms. Firms are selected through independent research evaluating market presence, client work, and depth of talent.
Umberg/Zipser’s continued recognition in Intellectual Property reflects the strength of its work and exceptional value it delivers to clients in patent and trademark prosecution and portfolio strategy across technology-driven industries. The firm’s debut ranking in Litigation underscores its broad commercial litigation capabilities, including high-stakes disputes involving breach of contract, fraud, class actions, and complex business conflicts.
Mark Finkelstein, Managing Partner of Umberg/Zipser, commented, “We are very honored to be recognized by Chambers in both Intellectual Property and Litigation. This acknowledgment reflects the strength of our team and our commitment to delivering strategic, results-driven counsel across a wide range of complex matters.”
This recognition further reinforces Umberg/Zipser’s position as a leading Orange County firm providing sophisticated, business-focused legal solutions to clients ranging from entrepreneurs to multinational companies.
About Umberg/Zipser LLP
Umberg/Zipser LLP is a leading law firm based in Irvine, California. With a team of highly skilled attorneys, the firm is known for its sophisticated business litigation and intellectual property practices. The firm represents companies, entrepreneurs, and professionals in complex disputes and high-stakes IP matters, combining deep legal experience with a practical understanding of clients’ industries. Umberg/Zipser is recognized for delivering strategic, results-driven solutions tailored to each client’s business objectives.
About Chambers and Partners
Chambers and Partners conducts independent research into the U.S. legal market, identifying leading firms based on in-depth analysis of their experience, expertise, and client work. The Chambers Spotlight guides highlight standout small and mid-sized firms across key jurisdictions that offer high-quality legal services across a range of practice areas.
