A Houston lawyer resigned from litigation firm MehaffyWeber in September, but can’t join Abraham, Watkins, Nichols, Sorrels, Agosto & Aziz as planned because USA Gymnastics, a MehaffyWeber client, has refused to waive a conflict of interest.

Efrain Gonzalez Jr. has filed a petition in state district court in Houston, seeking a declaratory judgment that there is “no actual or imputed” conflict of interest based on his previous employment as an associate at MehaffyWeber and potential future employment at Abraham Watkins, which represents individuals who have sued USA Gymnastics.