Do you really have the right to use that name?
Say you've built a product or service and settled on a name for it. Before you commit, it's worth asking whether that name is actually free for you to use. It could already be registered as a trademark by someone else.
The cost of skipping the check
Plenty of business owners pick a name first and only look into the legal side afterward. Some even invest heavily in a marketing campaign, and then discover they aren't allowed to use the name at all. Running a trademark search before you file for registration is a practical way to head off this kind of legal trouble.
Why research matters in your industry
A little homework goes a long way before you start using a mark commercially. If another company already uses the same mark in your industry, it may object to your use and take legal action to stop you.