It has been approved by the USPTO, clearly. The only way to make it go away, is if someone takes Google to court to have the patent invalidated.

Although neutral anti-atoms do not have an electric charge, the electric charge of the antiproten and the positron 'circling' around it is not evenly distributed. It is still not affected by an electric field, but it may be deflected or contained by a magnetic field.

Also look at the home page of theATRAP experiment.