United States Patent and Trademark Office

Home page of the United States Patent and Trademark Office's main web site.

Online Status

Server IP address resolved: Yes
Http response code: 200
Response time: 1.07 sec.
Last Checked: 10/02/2023 traffic volume is 20,022 unique daily visitors and their 155,169 pageviews. The web value rate of is 2,038,671 USD. Each visitor makes around 8.29 page views on average.

By Alexa's traffic estimates placed at 623 position over the world, while the largest amount of its visitors comes from United States, where it takes 1,237 place.

Perfect for that their data center (provided by company company USPTO - United States Patent and Trademark Office, US) is located in United States, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by USPTO - United States Patent and Trademark Office, US. registered under .GOV top-level domain. Check other websites in .GOV zone.

The last verification results, performed on (November 28, 2019) show that has an expired SSL certificate issued by Entrust, Inc. (expired on May 31, 2021). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Entrust, Inc..

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust is pretty a safe domain.

Relying Google MobileFriendly test is well optimized for mobile and tablet devices, however web page loading speed may be improved.

Global Rank
Average Load Time
Links In Count
Website Value
$1.9 M

Last Updated: 10/02/2023
Overall result - is safe.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 03/19/2023 is safe.
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Google Safe Search
Last Updated: 02/01/2019 is safe.
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Google Safe Browsing
Last Updated: 01/09/2019 is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
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Site Advisor
Last Updated: 02/22/2021 is safe.
McAfee assesses for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019 child safety is very good.
The WOT calculates reputation of the This reputation system receives ratings from users and information from third-party sources, assesses the for safety features and confirms, whether is suitable for children.

SSL Information
Issuer OrganizationEntrust, Inc.
IssuerEntrust Certification Authority - L1K
Valid form06/24/2019
SignedCertificate is not self signed
Additional Domains
Server Location

ASN Information

ASN ID: 5744
ASN Title: USPTO - United States Patent and Trademark Office, US

Last Update: 09/25/2023

# ARIN WHOIS data and services are subject to the Terms of Use
# available at:
# If you see inaccuracies in the results, please report at
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.

ASNumber: 5744
ASHandle: AS5744
RegDate: 1995-09-19
Updated: 1997-09-12

OrgName: United States Patent and Trademark Office
Address: 600 Dulaney Street
City: Alexandria
StateProv: VA
PostalCode: 22314
Country: US
RegDate: 1995-09-19
Updated: 2013-09-24

OrgAbuseHandle: CWO91-ARIN
OrgAbuseName: Chief Watch Officer
OrgAbusePhone: +1-571-272-6700

OrgTechHandle: KEL17-ARIN
OrgTechName: Lear, Karen Elizabeth
OrgTechPhone: +1-571-272-5314

RTechHandle: DP2842-ARIN
RTechName: Przech, David
RTechPhone: +1-703-305-9208

# ARIN WHOIS data and services are subject to the Terms of Use
# available at:
# If you see inaccuracies in the results, please report at
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.


% DOTGOV WHOIS Server ready
Domain Name: USPTO.GOV
Status: ACTIVE
Security Contact Email:

>>> Last update of whois database: 2021-04-24T21:20:34Z

DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL
uspto.govv=spf1 ip4: ip4: ip4: ~all3600
TTL: 7200
Email address:
Serial: 2014114320
Refresh: 10800
Retry: 1080
Expire: 2419200
Minimum: 900


Last tested: 06/12/2016

Desktop Speed

Desktop Resource Breakdown
Total Resources42
Number of Hosts7
Static Resources36
JavaScript Resources19
CSS Resources5

Last tested: 05/27/2017

Mobile Usability
Mobile Speed

Mobile Resource Breakdown
Total Resources39
Number of Hosts8
Static Resources28
JavaScript Resources19
CSS Resources5