Patent law firm Cantor Colburn has sued an infomercial marketing company claiming it owes $131,928 in legal bills.

The six-page lawsuit filed Sept. 8 in U.S. District Court for the District of Connecticut, claims the firm performed 3.5 years of work for California-based On Demand Direct Response. Cantor Colburn, which has five offices in the United States including in Hartford, claims it terminated the agreement on Feb. 28 after the company failed to pay multiple invoices.