WESTFIELD, NJ — A years-long legal battle over the proposed expansion of Downtown Westfield’s Stop & Shop may finally be over and the supermarket may be allowed to expand after an Appellate Court judge affirmed the lower court’s decision Friday.

The town made its oral argument in May, nearly two years after the Superior Court judge’s decision to allow the expansion was appealed.

In June 2015, a Superior Court judge affirmed the planning board’s decision to allow Stop & Shop to expand. But the plaintiff appealed just before the 45-day deadline.

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Stop & Shop first filed its application with the planning board in August 2012. In December 2013, The Westfield Planning Board approved Stop & Shop’s application for the demolition of existing office space, expansion of its parking lot and construction of an 18,129-foot addition, as well as multiple variances.

In March 2014, James Hughes of Westfield, who Stop & Shop has claimed is merely a “straw man” for a competitor, filed his complaint.

“We’re pleased with the decision,” Town Attorney Russell Finestein said Friday.

Stop & Shop is located at 219 Elm St. in Downtown Westfield.