The Uniform Deceptive Trade Practices Act, adopted in Illinois as 815 ILCS 510, is the standard state law protecting brands against confusing and deceptive conduct beyond formal trademark registration. Illinois is the representative example of the roughly dozen states that adopted the uniform act.
What the Uniform Deceptive Trade Practices Act Prohibits
The Act prohibits passing off goods or services as someone else’s, causing likelihood of confusion about source, sponsorship, or approval, misrepresenting the characteristics or origin of goods, advertising goods with no intent to sell them as advertised, and disparaging a competitor with false statements, plus a catch all for other conduct creating likelihood of confusion.
Remedies and Marketing Risk
The main remedy is an injunction, and a plaintiff does not need to prove monetary damage, actual confusion, or intent to deceive, and does not even need to be a competitor. Attorney’s fees are available against willful violators. For marketers this family of statutes is the state level trap for lookalike branding, misleading comparison ads, and knockoff trade dress, and most states have either this uniform act or a close equivalent in their consumer protection laws.
Source: Illinois General Assembly: 815 ILCS 510
Enforcement note: Trademark rights are enforced through private legal action rather than a government complaint office. If you believe a mark is being infringed, consult a trademark attorney.
