File a request with the court to remove the lis pendens. Provide the legal reasons the lis pendens is improper, offering proof, for example, that the lis pendens affects real estate that is not connected to the litigation. If the lawsuit is frivolous and merely intended to harass the property owner, offer proof.
Other than resolution of the pending lawsuit, the only way to remove a lis pendens is by expungement, which requires a court order from a circuit judge. If you refuse service or the action is otherwise delayed, the lis pendens remains intact, making it difficult to sell or otherwise transfer a property.