People often mix this up with actual confusion, and bad advice usually starts there. Actual confusion means real buyers were genuinely misled in the marketplace. The likelihood of confusion test is different: it asks whether an ordinary consumer is likely to be confused about the source, sponsorship, affiliation, or approval of goods or services, even if no one can yet prove a mistaken purchase happened.

That difference matters because trademark cases do not usually require a pile of angry customer emails or survey evidence showing people were fooled. Courts look at several factors instead, such as how similar the marks are, how related the products are, how the marks are marketed, and whether the accused user appeared to act in bad faith. The exact factor list varies by court, but the basic question stays the same: would consumers probably get the wrong idea?

For a trademark infringement claim, this test often decides the whole case. A business that waits for proof of actual confusion may wait too long, while a business that assumes any similar name is automatically illegal is also getting it wrong. In Connecticut, trademark disputes are generally shaped by federal Lanham Act standards and related state unfair trade principles, not by the state's auto-insurance 25/50/25 minimum coverage rule, which has nothing to do with this analysis.