Citing the federal government's anticipated disinterest in defending medical records privacy law, a Dallas attorney with Thompson Coburn filed on behalf of two major U.S. cities and a health care organization seeking intervenor status in Lubbock federal court.

Likewise, an Amarillo solo practitioner, Ryan P. Brown, filed on behalf of the same "proposed intervenor defendants" in Amarillo federal court, where a second challenge to the Health Insurance Portability and Accountability Act, or HIPAA, is taking place.