Cislo & Thomas LLP – Los Angeles, CA

Intellectual Property Leaders in West Los Angeles

Cislo & Thomas LLP is a premier intellectual property law firm that has been serving the business and entertainment communities of Los Angeles for over four decades. Tracing its roots back to 1979, the firm was built on the vision of providing high-quality, cost-effective legal protection for inventors, entrepreneurs, and corporations. Led by Managing Partner Daniel M. Cislo, a seasoned patent attorney and engineer, the firm operates with a unique Quality Client Care® (QCC®) philosophy. This approach ensures that every client receives rapid responses, strategic counseling, and results-oriented representation. Whether you are a startup looking to patent a new technology or a global brand defending your trademarks in federal court, Cislo & Thomas combines the technical expertise of scientists with the aggressive advocacy of trial lawyers. They are engineers, scientists, and attorneys all in one, dedicated to turning your ideas into exclusive, valuable assets.

Comprehensive IP Services

The firm specializes exclusively in intellectual property law, offering a depth of knowledge that general practice firms cannot match:

• Patent Prosecution: Helping inventors secure utility and design patents in the U.S. and internationally. The team includes experts in mechanical, electrical, chemical, and software engineering.
• Trademark Protection: Assisting businesses in selecting, registering, and enforcing their brand names and logos to prevent consumer confusion and dilution.
• Copyright Registration: Protecting creative works such as software code, literature, music, and art from unauthorized reproduction.
• IP Litigation: aggressively defending clients’ rights in patent, trademark, and copyright infringement suits. The firm has a strong track record of success in federal courts.
• Licensing and Transactions: Negotiating lucrative licensing deals and handling the transfer of intellectual property assets during mergers and acquisitions.

A Tradition of Excellence

Cislo & Thomas LLP is consistently recognized for its professional achievements. The firm is AV® Preeminent™ Rated by Martindale-Hubbell, the highest rating available for legal ability and ethics, and is listed in the Bar Register of Preeminent Lawyers, a distinction reserved for the top 5% of law firms nationwide. Their attorneys are frequently named to the Super Lawyers list, reflecting their peer recognition and professional standing. Unlike many firms that bill by the minute for every phone call, Cislo & Thomas focuses on value, often offering flat fees for specific services to provide budget certainty.

Landmark Westside Location

Located in the iconic ”Ziggurat” building on Wilshire Boulevard, Cislo & Thomas LLP is situated in the heart of the Brentwood/West Los Angeles business corridor. This strategic location allows them to easily serve clients from Santa Monica to Downtown LA and beyond. If you have an idea worth protecting, trust the firm that has helped thousands of businesses secure their future.