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uspto.gov
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Categories: Patents & Trademarks Business Services
Home page of the United States Patent and Trademark Office's main web site.
Updated: 2026-09-16 00:38
Language: English (default)
Access: Normal
Profile views 0
Outbound visits 0
Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Page metadata, canonical configuration and social previews work together to provide more consistent search and sharing presentation.
Domain and Registration
Registered in 1997, this domain has about 28 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain uses .gov, a restricted namespace whose registration normally has eligibility requirements. Registration contact information is publicly available through RDAP.
DNS and Email
The lowest TTL is 60 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by foundationdns.com, indicating managed DNS hosting. DNS and provider evidence indicate traffic passes through the Amazon CloudFront CDN, which may support caching and traffic distribution. MX records point to the Microsoft 365 email service. DNSSEC is enabled, allowing validating resolvers to authenticate signed DNS data.
TLS and Certificates
The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued within the Amazon cloud or CDN ecosystem. The certificate is valid for about 197 days in total, with 168 days remaining.
HTTP and Browser Security
The response lacks these common security headers: Referrer-Policy, Permissions-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The x-cache, via response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers. The Server header identifies Apache without an exact version.
Technology Stack Analysis
The public page identifies Drupal, jQuery, Amazon CloudFront, Apache without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
JSON-LD includes Organization data, helping describe the organization as an entity. The title has 41 characters, within a common display range. A meta description is present, with 75 characters. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.
Hosting and Email
Pages, Search and Sharing
| Meta description | Home page of the United States Patent and Trademark Office's main web site. |
|---|---|
| Canonical URL | https://www.uspto.gov/ |
| Language | English (default) |
| Twitter Card | Not detected |
Social Sharing Preview
6 fieldsSharing metadata
| og:url | https://www.uspto.gov/ |
|---|---|
| og:type | website |
| og:image | https://www.uspto.gov/themes/custom/uspto_ds/images/USPTO-logo-RGB-stacked-1200px.png |
| og:title | United States Patent and Trademark Office |
| og:site_name | United States Patent and Trademark Office |
| og:description | Home page of the United States Patent and Trademark Office's main web site. |
robots.txt (opens in a new tab)
5 rulesAll bots 0 allowed · 5 disallowed
/cgi-bin//includes//cybertraining//ebc/portal//images/
No matching rules.
Sitemaps
4
Registration details RDAP / WHOIS
| Registrar | get.gov |
|---|---|
| Registered | 1997-10-02 |
| Expires | 2027-08-01 |
| Domain status | server transfer prohibited |
| Nameservers | gold.foundationdns.com、gold.foundationdns.net、gold.foundationdns.org |
| DNSSEC | signed |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | d2r9i8htk9mf3u.cloudfront.net | 13.226.209.112 | 60 | — |
| A | d2r9i8htk9mf3u.cloudfront.net | 13.226.209.113 | 60 | — |
| A | d2r9i8htk9mf3u.cloudfront.net | 13.226.209.64 | 60 | — |
| A | d2r9i8htk9mf3u.cloudfront.net | 13.226.209.92 | 60 | — |
| AAAA | d2r9i8htk9mf3u.cloudfront.net | 2600:9000:201d:2e00:a:d49f:be80:93a1 | 60 | — |
| AAAA | d2r9i8htk9mf3u.cloudfront.net | 2600:9000:201d:4000:a:d49f:be80:93a1 | 60 | — |
| AAAA | d2r9i8htk9mf3u.cloudfront.net | 2600:9000:201d:5a00:a:d49f:be80:93a1 | 60 | — |
| AAAA | d2r9i8htk9mf3u.cloudfront.net | 2600:9000:201d:6e00:a:d49f:be80:93a1 | 60 | — |
| AAAA | d2r9i8htk9mf3u.cloudfront.net | 2600:9000:201d:7200:a:d49f:be80:93a1 | 60 | — |
| AAAA | d2r9i8htk9mf3u.cloudfront.net | 2600:9000:201d:7400:a:d49f:be80:93a1 | 60 | — |
| AAAA | d2r9i8htk9mf3u.cloudfront.net | 2600:9000:201d:8e00:a:d49f:be80:93a1 | 60 | — |
| AAAA | d2r9i8htk9mf3u.cloudfront.net | 2600:9000:201d:e00:a:d49f:be80:93a1 | 60 | — |
| MX | uspto.gov | uspto-gov.mail.protection.outlook.com | 7200 | 5 |
| NS | uspto.gov | gold.foundationdns.com | 86400 | — |
| NS | uspto.gov | gold.foundationdns.net | 86400 | — |
| NS | uspto.gov | gold.foundationdns.org | 86400 | — |
| TXT | uspto.gov | 3FKeZ5CH9TEaLgiiioa9/iDVB0WPJofaHBuumk1YRmcuggWFX3v3gDlSw5uSIbaSuvm/FsOYPRzhM87BHQ+ImA== | 300 | — |
| TXT | uspto.gov | MS=ms28666523 | 300 | — |
| TXT | uspto.gov | SnTiaz2QHOuDsjncHy2wc6dZmnzEFxbqKLWgzzrfBidPblmIGRxS9jP28Zb4xPjhhlE2YBm98Mu+DhbxxGOa7A== | 300 | — |
| TXT | uspto.gov | _ib4pu1ottna05el605hns0p62bwkg2g | 300 | — |
| TXT | uspto.gov | _qf2w9oo2ieh425rh0b6gjpp829vih2b | 300 | — |
| TXT | uspto.gov | adobe-idp-site-verification=fd06710ade06e49a5be3b877d16463b3f5f050a1e54eaaa1daff14f8da83993f | 300 | — |
| TXT | uspto.gov | apple-domain-verification=DQ6lsHErU2gvVyqF | 300 | — |
| TXT | uspto.gov | facebook-domain-verification=6wqv4rmxkothypv5gij5080967l5ws | 300 | — |
| TXT | uspto.gov | google-site-verification=5eOb2YylR8fDTIkmIs3N0CaJ_IHjjikNS-Z7BDb9jvw | 300 | — |
| TXT | uspto.gov | google-site-verification=MB6vnwbxkyN6STcgBAa5U-W1H7VhU62fSuT95KrWhlk | 300 | — |
| TXT | uspto.gov | jetbrains-domain-verification=8sj6e0d8s6q4fvu86jcfzp0g5 | 300 | — |
| TXT | uspto.gov | ms-domain-verification=725c3c35-24ef-43fd-a26b-2736d7cea1a6 | 300 | — |
| TXT | uspto.gov | perplexity-ai-domain-verification-7tdkgd=M7VyHULqPpVV3g4SsM4BNc1mR | 300 | — |
| TXT | uspto.gov | v=spf1 include:uspto.gov._nspf.valigov.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.valigov.email include:spf.protection.outlook.com -all | 300 | — |
| TXT | uspto.gov | webexdomainverification.7PUPU=2a587b5a-c181-4a6c-9d10-a13dcaa747bd | 300 | — |
| CNAME | www.uspto.gov | d2r9i8htk9mf3u.cloudfront.net | 7200 | — |
| CAA | uspto.gov | 0 issue "amazon.com" | 7200 | — |
| CAA | uspto.gov | 0 issue "amazonaws.com" | 7200 | — |
| CAA | uspto.gov | 0 issue "amazontrust.com" | 7200 | — |
| CAA | uspto.gov | 0 issue "awstrust.com" | 7200 | — |
| CAA | uspto.gov | 0 issue "digicert.com" | 7200 | — |
| CAA | uspto.gov | 0 issue "pki.goog" | 7200 | — |
| DS | uspto.gov | 2371 13 2 66842efb61774c93e103011a7eae6a3115d2202d4d212e7b0ceaa4e571524ae4 | 3600 | — |
| DMARC | _dmarc.uspto.gov | v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected] | 600 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | www.uspto.gov |
| Issuer | Amazon |
| Valid until | 2027-03-03T23:59 · Remaining when checked: 168 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=UTF-8 |
| cache-control | max-age=60, must-revalidate, s-maxage=900 |
| server | Apache |
| strict-transport-security | max-age=31536000 |
| content-security-policy | default-src 'self' *.uspto.gov *.qualtrics.com data: https:; frame-ancestors 'self' *.youtube.com *.ytimg.com *.govdelivery.com; img-src 'self' *.uspto.gov *.search.usa.gov *.googletagmanager.com *.qualtrics.com *.jwpltx.com data: *.govdelivery.com *.google-analytics.com *.gstatic.com *.youtube.com *.ytimg.com; style-src 'self' *.uspto.gov *.googleapis.com addtocalendar.com *.govdelivery.com 'unsafe-eval' 'unsafe-inline'; script-src 'self' *.uspto.gov cdn.jsdelivr.net dap.digitalgov.gov addtocalendar.com *.qualtrics.com *.jwpcdn.com *.bootstrapcdn.com *.googletagmanager.com *.google-analytics.com *.google.com *.googleapis.com *.gstatic.com *.youtube.com *.ytimg.com search.usa.gov *.govdelivery.com 'unsafe-inline' 'unsafe-eval' |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
Identified technologies
DrupaljQueryAmazon CloudFrontApache
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