A group of Armenian-American philanthropists have been fighting each other in court for years over stalled plans for an Armenian Genocide Museum and Memorial in Washington. Two decades after plans for the museum began, its future is still uncertain, but the legal wrangling is coming to a close.

The U.S. Court of Appeals for the D.C. Circuit on Tuesday confronted a long list of issues surrounding the project, including the control of a cluster of buildings in downtown Washington that were intended for the museum.