Overview
Patent and Trademark Resource Centers (PTRCs) are designated libraries that maintain collections of patent and trademark search materials and offer guidance to inventors, entrepreneurs, researchers, and the general public. They serve as local points of access to intellectual property information referenced by the United States Patent and Trademark Office (USPTO).
History and Background
PTRCs trace their origins to a long-standing partnership between the USPTO and libraries across the country that host public access to patent and trademark records. The program expanded the role of participating libraries from depository collections into active search assistance hubs, supporting the public with resources that complement USPTO examination records.
Each PTRC is hosted by a library that maintains the search tools, classification references, and trained staff needed to assist visitors exploring patents, trademarks, and related intellectual property questions.
Patent and trademark resource centers play an important role in making intellectual property information accessible to a wide audience, including independent inventors, small business owners, students, and curious members of the public. By maintaining organized collections of search materials and offering guidance on navigating official records, these libraries help demystify the often complex world of patents, trademarks, and registration processes. Visitors can explore resources that explain the basics of filing, examination, classification, and maintenance, gaining a clearer understanding of how intellectual property rights are established and protected under applicable laws and regulations.
The history of these resource centers reflects a longstanding partnership between the federal office responsible for patents and trademarks and libraries spread across many regions. Over time, the program has grown from a modest collaboration into a broader network that supports public education, research, and entrepreneurship. Designated libraries not only house reference materials but also offer training events, workshops, and one-on-one assistance that help users learn how to use search tools, interpret official documents, and follow established procedures for applications, assignments, and appeals within the intellectual property system.
Beyond traditional search and reference services, patent and trademark resource centers contribute to a wider ecosystem of innovation by connecting visitors with information about international filing options, global protections, and emerging policy discussions. They often serve as gateways to additional resources covering topics such as patent basics, trademark clearance, ownership transfers, and maintenance fees, as well as updates on proposed rule changes and notices from examining authorities. In doing so, they help individuals and organizations make informed decisions about protecting inventions, brands, designs, and other creative works in a competitive landscape.
Becoming a PTRC
Eligibility
Public, academic, or state libraries with the capacity to maintain a reference collection of patent and trademark materials may apply to participate in the program.
Collections
Designated sites hold current USPTO search tools, classification schedules, and reference works sufficient to support public searches.
Staff Training
Participating librarians complete training on patent and trademark search procedures so they can guide visitors through available resources.
Training and Events
PTRCs host training sessions and outreach events throughout the year to help visitors understand patent and trademark procedures, classification systems, and search strategies. Topics commonly covered include patent basics, trademark FAQs, the Madrid Protocol for international protection, and use of the Cooperative Patent Classification (CPC).
Event schedules, training dates, and registration details vary by location. Visitors are encouraged to contact their nearest PTRC for current offerings.
Find a PTRC
For details on participating libraries, current training opportunities, and how to connect with your nearest center, use the contact directory.
Visit the Contact page for PTRC locations and outreach contacts.