---
title: Summary of Search Engine Trademark Policies
description: Summary of Search Engine Trademark Policies
---

# Summary of Search Engine Trademark Policies

[David Naffziger](https://www.brandverity.com/blog/author/david-naffziger) May 21, 2009

**Updated on May 21** to reflect Google's [worldwide trademark policy changes](https://www.brandverity.com/blog/how-to-submit-a-trademark-infringement-to-google) and [recent moves in the US](https://blog.brandverity.com/240/google-makes-major-shift-to-us-adwords-trademark-policy/).

|   | **Google** | **Yahoo** | **Microsoft** |
| --- | --- | --- | --- |
| **Search Ads** |   |   |   |
| Trademarks can be protected in: |   |   |   |
| ----Keywords used to trigger ads[?](https://www.brandverity.com/blog/244/summary-of-search-engine-trademark-policies/#keywords) | **No** (US/UK/JP + 190 countries) **Yes** (FR, DE and most of Europe) | **Yes** | **Yes** |
| ----Ad text and title | **No** | **No** | **No** |
| ----Display URL | **No** | **No** | **No** |
| Type of protection: | All but resellers and informational sites | All but resellers and informational sites | All but resellers and informational sites |
| Requirements to Prove Trademark[?](https://www.brandverity.com/blog/244/summary-of-search-engine-trademark-policies/#mark_law) | Mark in Use | Mark in Use | Nationally Registered mark |
| Detailed Complaint Procedures | [Online Form](http://www.google.com/tm_complaint_adwords.html) | [Email](http://searchmarketing.yahoo.com/legal/trademarks.php) | [Online Form](http://advertising.microsoft.com/Home/Article.aspx?pageid=&Adv_ArticleID=3216%20) |
|   |   |   |   |
| **Domain Park Programs** |   |   |   |
| Can ads be prevented from being shown on typos? | Yes | Yes |   |
| Complaint Procedures | [Email](http://www.google.com/tm_complaint_afd.html) | [Email](http://searchmarketing.yahoo.com/legal/dmtrademarks.php) |   |

 

 Topics: [paid search](https://www.brandverity.com/blog/topic/paid-search), [Search Engine Updates](https://www.brandverity.com/blog/topic/search-engine-updates)

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