Patents & Trademarks
The Arkansas State Library is designated a Patent and Trademark Depository Library (PTDL) by the United States Patent and Trademark Office (USPTO). As a PTDL, The Arkansas State Library offers access to the following materials and services:
- Backfile Collections and Current Issues of Patents
- Official Gazette - Patents
- Official Gazette - Trademarks
- Reference Assistance and Referrals
- Patent Classification Research Instruction
- Supplemental Reference Materials
- Training Opportunities