How to access patent and trademark help at the PTRC

Visiting the library has changed, along with everything else in the world. At the Patent & Trademark Resource Center, we are happy to continue offering help with patents and trademarks! There are new hours and new requirements for visiting.

New library hours:
Monday, Tuesday, Friday, Saturday from 11 a.m. to 5 p.m. and Wednesday & Thursday from 1 p.m. to 7 p.m.

New requirements:
• Wear a mask
• Daily research time limited to 1 hour
• Appointments strongly suggested

Assistance is also available by email at or phone at 314-539-0390.