Cislo & Thomas LLP

Cislo & Thomas LLP stands as a top-tier full-service intellectual property law firm, offering comprehensive counsel in patent, trademark, copyright, and trade secret law. Since 1979, the firm has delivered trusted Quality Client Care® and earned a reputation for protecting inventors, entrepreneurs, and businesses of all sizes throughout Southern California and beyond.

Cislo & Thomas LLP brings together a seasoned team of attorneys who combine deep legal insight with technical expertise in engineering and science. This unique blend ensures exceptional representation in all aspects of intellectual property, including preparation, searching, clearance, prosecution, licensing, maintenance, and litigation. The firm’s client-centered approach extends to proprietary platforms like Patentfiler®, Trademarkfiler®, and Copyrightfiler® that simplify protection and compliance.

Cislo & Thomas LLP proudly maintains an impressive track record, having successfully settled or won more than 98% of cases handled. Recognition includes “Best Law Firm” by Best Lawyers in America, repeated Super Lawyers accolades, and an AV Preeminent® rating from Martindale-Hubbell®. The firm’s reputation for excellence reflects a commitment to safeguarding creative assets, advancing business goals, and delivering practical solutions with speed and precision.

Cislo & Thomas LLP leverages decades of experience to provide tailored guidance to meet today’s complex challenges in intellectual property law. Whether managing domain name disputes, addressing cybersecurity and privacy compliance, or resolving unfair competition and trade secret claims, the firm offers trusted strategies that protect what matters most.

Cislo & Thomas LLP continues to lead with unwavering dedication to innovation and client service. Offices in West Los Angeles/Santa Monica, Westlake Village, and Santa Barbara ensure convenient access to the firm’s highly skilled attorneys. As technology evolves, the firm remains a steadfast partner for innovators seeking to secure ideas, brands, and business reputations for generations to come.