
Successfully Won or Settled 98% of Our Cases
Super Lawyers – Awarded Multiple Years
“Best Law Firm” – The Best Lawyers in America 2019-2025
“Top Attorneys, Southern California” – Los Angeles Magazine
“Top Patent Firms” – IP Today
“Top 10 Law Firms” – Pacific Coast Business Times
“AV Preeminent” – Martindale-Hubbell Highest Ranking
Quality Client Care® Since 1979
Creators of Patentfiler®, Trademarkfiler®, Copyrightfiler®, and Tradesecretfiler® Client User Platforms
Cislo & Thomas LLP is a full-service intellectual property law firm, specializing in patent, copyright, and trademark litigation and providing Quality Client Care® throughout Southern California since 1979.
WHAT WE DO

Our patent experts are prepared to help you in all aspects of Patent Law, including preparation of design, utility, and provisional patent applications, searching, filing, clearance, prosecution, licensing, maintenance, and litigation.

In helping you distinguish your products from those of your competitors, our skilled attorneys are active in all aspects of Trademark Law, including investigations, prosecution, and licensing.

Many of our highly experienced IP Attorneys also serve as intellectual property Expert Witnesses in state and federal litigation in California. They also act as third party Mediators and Arbitrators to help resolve intellectual property disputes.
