Is there no way to get out of the "Guided Parametric Search" realm? Maybe you could add something to your search capabilities or rethink a part of it such that

Is there no way to get out of the "Guided Parametric Search" realm? Maybe you could add something to your search capabilities or rethink a part of it such that you are no longer a reasonable target for this company. This is probably what I would do. This approach wouldn't require a lawyer and would only cost a few days of development.