Simple past tense and past participle of infringe.(verb)
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Use "infringed" in a sentence
"But the New York-based billion-dollar baseball league sent her a legal letter claiming the name infringed the trademark of one of its Californian teams, the Los Angeles Angels, from Anaheim."
"Tosser's Brewing that "extra dry" on the label infringed its copyright, according to TheAge."
"The case centers on a 2007 lawsuit by Toronto-based technology company i4i Inc., which convinced a jury that Microsoft Word infringed one of its patents related to document editing."