Alexandria, Virginia
National Inventors Hall of Fame and Museum The United States Patent and Trademark Office (USPTO) is headquartered in Alexandria, Virginia.

Is the US patent office open tomorrow?

The U.S. Patent and Trademark Office (USPTO or Office) working hours are 8:30 a.m. to 5:00 p.m., Monday through Friday, excluding federal holidays in the District of Columbia.

How do I contact the US Patent Office?

General Information

  1. USPTO Contact Center (UCC) Toll-Free. 800-786-9199. Local. 571-272-1000. TTY/TDD.
  2. Assignments Recordation Branch (ARB) Local. 571-272-3350. Fax. 571-273-0140.
  3. Patent and Trademark Copy Fulfillment Branch. Toll-Free. 800-972-6382. Local. 571-272-3150.
  4. Receipts Accounting Division. Local. 571-272-6500. Fax. 571-273-6500.

Are patents federal or state?

Patents are exclusively governed by federal law; the federal district courts have original jurisdiction of all civil cases arising under any federal law relating to patents. See 28 U.S.C. § 1338.

How many US patents have been issued?

Number of patents issued in the U.S. FY 2000-FY 2020 In the fiscal year of 2020, a total number of 399,055 patents were granted at the U.S. Patent and Trademark Office. This is an increase from the fiscal year of 2000, when 182,218 patents were issued.

Who said there’s nothing left to invent?

Charles Holland Duell
BornCharles Holland DuellApril 13, 1850 Cortland, New York
DiedJanuary 29, 1920 (aged 69) Yonkers, New York
ChildrenHolland S. Duell
Parent(s)R. Holland Duell (father)

How do I check the status of my patent?

If unable to use TSDR to retrieve online status information, you may telephone the Trademark Assistance Center (“TAC”) at (571) 272-9250 or (800) 786-9199 and request a status check. TAC is open from 8:30 a.m. to 8:00 p.m. Eastern Time, Monday through Friday, except on holidays.