Things You'll Need:
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Step 1
Understand your objective: Ideally you should search all registered and unregistered trademarks, of which there are millions.
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Step 2
Understand that you are searching for trademarks that sound like, look like or mean the same thing as your proposed trademark.
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Step 3
Begin your search with the free trademark database on the U.S. Patent and Trademark Office's (PTO's) Web site. The PTO's database consists of all registered marks and all marks for which registration is pending.
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Step 4
In addition to searching for registered or pending trademarks on the PTO's Web site, search the Internet informally for unregistered trademarks and use the Thomas Register website. In addition, check the availability of domain names containing your proposed trademark at the Network Solutions Web site.
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Step 5
If feasible, visit your local Patent and Trademark Depository Library (PTDL) and use their research materials. A list of PTDLS (there is at least one in every state) is accessible from the PTO's home page.
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Step 6
Consider using a professional search service. You can order a complete search of registered and unregistered marks through Trademark Express, Thomson and Thomson, CCH Trademark Research Corporation or one of the PTDLs that offer electronic search services for very reasonable fees.
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Step 1
Go ahead and use your selection if, after your search, you determine that your proposed trademark is not the same as or similar to a trademark that belongs to someone else. Begin taking steps to protect your trademark as well. See "How to File for Federal Trademark Registration."
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Step 2
Decide whether customer confusion is likely to occur if you use your proposed trademark, if your search does turn up possible conflicts (meaning that customers might confuse the underlying products or services or their source). Customer confusion is unlikely if the products or services don't compete with each other and are not marketed through the same channels (for example, Scott Paper Products and Scott Sunglasses). If customer confusion is likely to occur because of your proposed trademark, pick an alternate from your list and start over.
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Step 3
Ask yourself if your selection is the same or very similar to a famous trademark, once you've determined customer confusion isn't likely to occur because of your proposed trademark. The owner of a famous trademark may stop another company from using a highly similar trademark even if its customers aren't likely to be confused between the products of the two companies (if another company's use of the famous trademark is shown to diminish its distinctiveness or disparage its reputation for quality). If your proposed trademark is the same or very similar to a famous trademark, pick an alternate from your list and start over.
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Step 4
If you're sure customer confusion is not likely, and your proposed trademark does not strongly resemble a famous trademark, you may decide to go ahead and use the trademark.








