Jennifer L. DeCook, Respondents/Cross-Appellants v. Olmsted Medical Center, Inc., Brenda J. Hanson, R.N., and Darlene M. Pratt, R.N., Appellants/Cross-Respondents, Kenneth M. Palmer, M.D., Jack F. Perrone, M.D., Kimberly McKeon, M.D., and Ashley Morrow, R.N.

OPINION

LILLEHAUG, Justice.

In this appeal from the denial of a motion to dismiss for insufficiency of process, we consider the question of whether a summons and complaint signed by an attorney licensed outside the state of Minnesota are* legal nullities, or whether the defective signature may be cured. In the related conditional cross-appeal, we consider whether the district court erred in granting a motion to dismiss as to several defendants for insufficiency of service. Because we conclude that the Minnesota Rules of Civil Procedure afford a district court the discretion to allow an amend*265ment…