---
title: "[Archived] Trademark Notices | DuoCircle"
description: "Last Modified: December 9, 2014 DuoCircle LLC. (“DuoCircle”) employs logos, images, drawings, designs, icons, photographs, video and audio clips, (collecti"
image: "https://www.duocircle.com/images/og-default.png"
canonical: "https://www.duocircle.com/legal/trademark-notices/"
---

Archived document

# Trademark Notices

Last updated August 7, 2023 

This document has been superseded.

The current version of this document is published at [Trademark Notices](/legal/trademarks/). This page is preserved for reference and for any contract that explicitly cites it. The text below reflects the document as it was last updated above; subsequent changes are tracked only in the current version.

[Read the current version: Trademark Notices ](/legal/trademarks/) 

## TRADEMARK NOTICES

Last Modified: December 9, 2014

DuoCircle LLC. (“DuoCircle”) employs logos, images, drawings, designs, icons, photographs, video and audio clips, (collectively, the “Content”), in addition to trademarks, service marks and other intellectual property owned, controlled or licensed by DuoCircle that distinguish DuoCircle from other services and organizations. Usage of Content is not permitted unless explicitly stated otherwise. This Content, which is the exclusive property of DuoCircle, and the DuoCircle Website itself, which is a work product of DuoCircle, are protected by United States and foreign copyright laws, treaties and conventions and will be strictly enforced by DuoCircle.

Unless explicitly stated otherwise, the Content is not permitted to be reproduced in any format for public or commercial consumption. A limited license is granted to any end user for non-commercial and non-public purposes to reproduce materials to support DuoCircle, but no right, title or interest in any downloaded material is transferred as a result of any such downloading or copying.

Use and reproduction of materials found on this site for commercial purposes is granted by request only. This is done to prevent use of outdated materials or poor contextual referencing. Requests may be submitted via email to [media-relations@www.duocircle.com](mailto:media-relations@www.duocircle.com)

---

## Questions about this document?

DuoCircle LLC, 5965 Village Way, Suite 105-234, San Diego, CA 92130\. Email[legal@duocircle.com](mailto:legal@duocircle.com)for legal inquiries, or[support@duocircle.com](mailto:support@duocircle.com)for everything else.

[All legal documents](/legal/) [Talk to an expert](/contact/)

```json
{"@context":"https://schema.org","@type":"Organization","name":"DuoCircle LLC","url":"https://www.duocircle.com","logo":{"@type":"ImageObject","url":"https://www.duocircle.com/images/duocircle-logo.png"},"description":"DuoCircle is a portfolio of specialized email products covering protection, authentication, delivery, and routing. We deliver about 90% of category-leader capability at roughly half the price, backed by experts who own the outcome. Trusted by 50,000+ organizations since 2014.","subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}],"sameAs":["https://www.linkedin.com/company/duocircle","https://x.com/duocirclellc","https://www.facebook.com/duocirclellc","https://www.g2.com/products/phish-protection-by-duocircle/reviews","https://github.com/duocircle","https://www.crunchbase.com/organization/duocircle-llc"],"contactPoint":{"@type":"ContactPoint","contactType":"customer support","url":"https://support.duocircle.com"},"knowsAbout":["Email Security","Email Authentication","SPF","DKIM","DMARC","Phishing Protection","Spam Filtering","SMTP Relay","Email Deliverability","Email Forwarding"]}
```

```json
{"@context":"https://schema.org","@type":"WebSite","name":"DuoCircle LLC","url":"https://www.duocircle.com","description":"DuoCircle is a portfolio of specialized email products covering protection, authentication, delivery, and routing. We deliver about 90% of category-leader capability at roughly half the price, backed by experts who own the outcome. Trusted by 50,000+ organizations since 2014.","publisher":{"@type":"Organization","name":"DuoCircle LLC","url":"https://www.duocircle.com","logo":{"@type":"ImageObject","url":"https://www.duocircle.com/images/duocircle-logo.png"},"description":"DuoCircle is a portfolio of specialized email products covering protection, authentication, delivery, and routing. We deliver about 90% of category-leader capability at roughly half the price, backed by experts who own the outcome. Trusted by 50,000+ organizations since 2014.","subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}]}}
```

```json
[{"@context":"https://schema.org","@type":"WebPage","name":"Trademark Notices","description":"Last Modified: December 9, 2014 DuoCircle LLC. (“DuoCircle”) employs logos, images, drawings, designs, icons, photographs, video and audio clips, (collecti","url":"https://www.duocircle.com/legal/trademark-notices/","inLanguage":"en","publisher":{"@type":"Organization","name":"DuoCircle LLC","url":"https://www.duocircle.com"},"isPartOf":{"@type":"WebSite","name":"DuoCircle","url":"https://www.duocircle.com"},"about":{"@type":"Organization","name":"DuoCircle LLC"},"dateModified":"2023-08-07T14:33:00.000Z","datePublished":"2016-01-09T05:28:59.000Z"}]
```