Since Ellwood is a corporate citizen of Pennsylvania, it is subject to service of process and its presence in the action as an involuntary plaintiff will not deprive the court of diversity jurisdiction.
Under the Pennsylvania Workmen's Compensation Act, 77 P.S. § 481, the employer may not be joined as an additional defendant. Tsarnas v. Jones & Laughlin Steel Corp., 488 Pa. 513, 412 A.2d 1094 (1980); Arnold v. Borbonus, 257 Pa.Super. 110, 390 A.2d 271 (1978); Hefferin v. Stempkowski, 247 Pa.Super. 366, 372 A.2d 869 (1977). In Hefferin, it was stated at page 871, "the employer's right to subrogation remains unchanged." Thus, complete relief cannot be achieved among the named defendants unless it can be determined by the jury whether or not Ellwood, the employer, was a negligent cause of the accident. Likewise, complete relief cannot be achieved under the Pennsylvania Comparative Negligence Act, 42 Pa.C.S.A. § 7102, unless the percentage of negligence can be allocated by the jury to all parties including the employer and the plaintiff. In light of that Act, all parties have a right to know the percentage of negligence, if any, the jury attributes to the employer, the plaintiff employee and to each defendant.
Moreover, if the employer is found to be negligent and its negligence was a proximate cause of its employee's injuries, the employer's negligence would operate to bar any claim of the employer for subrogation. Maio v. Fahs, 339 Pa. 180, 14 A.2d 105 (1940); Grimm v. O. K. Keckley Co., 555 F.2d 123 (3rd Cir. 1977); Davis v. Gerstenslager Co., 302 F. Supp. 742 (W.D.Pa.1969). Also, under the Workmen's Compensation Act, the employer has a statutory duty to compensate an employee for work related injuries. To permit a negligent employer to escape this obligation by subrogation of the damages awarded to his injured employee from an at fault defendant would be inequitable. See hypothetical case No. 3 of Judge Spaeth in his concurring and dissenting opinion in Arnold v. Borbonus, supra. Accordingly, negligent defendants have a right to know whether they should pay a non-negligent employer on its subrogation claim, or whether a negligent employer's subrogation claim is barred and they should pay the plaintiff the amount of the verdict less the workmen's compensation he has received from his employer.
In two Pennsylvania Courts of Common Pleas, joinder of an employer as an additional defendant was permitted despite the decisions in Tsarnas, Hefferin and Borbonus, supra, in order that there could be a proper finding made at the time of trial of an accurate and fair percentage of causal negligence of all parties including the employer. Flack v. Calabrace, Vol. LXII Westmoreland Law Journal, 137 (C.P.West 1980); Yeagly v. Metropolitan Edison Company, C.P.Lebanon, May 13, 1980.
In Lipari v. Niagara Machine & Tool Works and Rockford Safety Equipment Company, 87 F.R.D. 730 (W.D.Pa.1980), Chief Judge Weber in a products liability case held an allegedly negligent employer could be added as an involuntary plaintiff upon motions by the original defendants pursuant to Rule 17(a), Federal Rules of Civil Procedure, which requires that "every action shall be prosecuted in the name of the real party in interest."
In our opinion, all the foregoing pertinent issues should be resolved in this action. Therefore, the plaintiff's employer should be joined as an involuntary plaintiff since the plaintiff claims damages for a work related accident and there is a valid contention that the employer was a negligent cause of the accident, otherwise complete relief cannot be accorded among those already party defendants.
An appropriate order will be entered.