U.S. Code > Title 35 U.S. Code > Title 35 – Patents Current as of: 2024 | Check for updates | Other versions Part I United States Patent and Trademark Office Part II Patentability of Inventions and Grant of Patents Part III Patents and Protection of Patent Rights Part IV Patent Cooperation Treaty Part V The Hague Agreement Concerning International Registration of Industrial Designs Need help reviewing a business patent?Have it reviewed by a lawyer, get answers to your questions and move forward with confidence.Connect with a lawyer now Ask a question, get an answer ASAP!