"After the success of the Portland Loo," the suit says, "Romtec now seeks to usurp the urban market with its Sidewalk Restroom, which is an obvious knock-off of the Portland Loo."



As WW reported in May, officials in the city's Bureau of Environmental Services are trying to sell the Loo to other cities, in order to recoup the costs of cleaning the six Loos the city has already installed. The city sells each Loo for $90,000, with a discount for buying two.



But at least one city—Cincinnati—broke off negotiations with Portland after discovering Romtec's Sidewalk Restroom. That metal public restroom looks like the Portland Loo's identical twin—but starts at $38,500.



"The Portland Loo comes with all the frills and thrills—the solar panels, the stainless steel," Jon Harmon, legislative director for Cincinnati City Councilman Chris Seelbach, told WW in May. "The Romtec model has that as an option."