Support Centers

Public Search Facility

Local: 571-272-3275
Fax: 571-273-0021

Located in Alexandria, VA provides the public access to patent and trademark information in a variety of formats. Trained staff are available to assist public users

Inventors Assistance Center

Toll-Free: 800-786-9199
Local: 571-272-1000
TTY: 800-877-8339

The Inventors Assistance Center provides patent information and services to the public. It is staffed by experienced patent professionals who can answer general questions concerning patent examining policy and procedure.

Trademark Assistance Center

The Trademark Assistance Center (TAC) is the main support center for all customers, from first-time filers to legal professionals and experienced trademark applicants.

Patent Electronic Business Center

Toll-Free: 866-217-9197
Local: 571-272-4100
Email: ebc@uspto.gov

The Patent Electronic Business Center (EBC) assists customers with filing their electronic patent application submissions via the Electronic Filing System (EFS-Web) and with the review of patent applications in Public and Private PAIR. The EBC offers support with electronic filing, eOffice Action, PatentIn and Checker, Customer Number Requests, PKI Digital Certificates, Customer Number Upload Spreadsheets, PDX requests, Fee Address Indication, PCT Associations, PatFT and AppFT Searches and Central Fax inquiries. Assistance is available Monday through Friday from 6:00 a.m. to Midnight ET (except federal holidays).