OPINION
delivered the opinion of the court,
This appeal involves an application of the doctrine of collateral estoppel to a medical malpractice claim filed with the Tennessee Claims Commission that had earlier been adjudicated in litigation in the United States District Court for the Eastern District of Tennessee. The jury in the federal proceeding returned a defense verdict and declined to assign fault to any of the defendant healthcare providers, including a nonparty resident physician who had earlier been dismissed as a defendant because he was immune from suit in federal court. Following the conclusion of the federal proceeding, the State asserted that collateral estoppel barred the family of the deceased patient from pursuing their claims against the State and the resident physician before the Claims Commission. The claims commissioner denied the State’s motion for summary judgment but granted an interlocutory appeal. The Court of Appeals affirmed the claims commissioner after determining that the State had failed to demonstrate that the claim against the resident physician had actually been litigated or that the plaintiff had been afforded a full and fair opportunity to litigate the claim in the federal proceeding.
Mullins v. State,
No. E2007-01113-COA-R9-CV,
I.
Daniel Mullins was a 67-year-old resident of Pound, Virginia, a small community in Southwest Virginia near the borders of the Commonwealth of Kentucky, the State of Tennessee, and the Commonwealth of Virginia. Because he was complaining of nausea, a physician conducted a series of tests that revealed a benign fatty tumor in the upper part of his stomach at the junction between his esophagus and his stomach. Mr. Mullins was then referred to Dr. John Ehrenfried, a surgical oncologist practicing in Kingsport, Tennessee for the removal of the tumor.
Mr. Mullins was admitted to Wellmont Holston Valley Medical Center in Kings-port, Tennessee on January 7, 2004. Dr. Ehrenfried and Dr. Michael Boggan, a general surgeon practicing in Kingsport, Tennessee, removed the tumor on January 8, 2004. Following the surgery, Dr. Jose Luis Mejia, a fourth year surgical resident employed by the James H. Quillen College of Medicine at East Tennessee State University, became responsible for Mr. Mullins’s post-operative care. On the afternoon of January 10, 2004, Mr. Mullins was returned to surgery for suspected postoperative bleeding because his blood pressure had dropped and his heart rate had increased. Dr. George D. Gonzales performed another laparotomy that revealed active bleeding from the suture line of the January 8, 2004 procedure and approximately two liters of clotted blood in Mr. Mullins’s stomach. Dr. Gonzales removed the blood and stopped the active and brisk bleeding from the gastric artery.
Mr. Mullins developed serious post-operative complications following his surgeries, including Disseminated Intravascular Coagulation with multi-organ failure. Because of the failure of his circulatory system, Mr. Mullins developed vasoconstrictor gangrene in both his legs which resulted in the amputation of both legs below the knee in March 2004. Thereafter, he was discharged from the hospital.
In October 2004, Mr. Mullins and his wife, Juanita Mullins, filed a medical malpractice suit in the United States District Court for the Eastern District of Tennessee. They named as defendants the Well-mont Holston Valley Medical Center and related corporate defendants, Drs. Ehren-fried and Boggan and their corporate practice, a nurse who had attended Mr. Mullins during the post-operative period, along with other unnamed employees of the Wellmont Holston Valley Medical Center who had provided care to Mr. Mullins while he was hospitalized, and Dr. Mejia. Mr. Mullins died in October 2004 after this complaint was filed; however, Ms. Mullins continued the suit on her own behalf and as the representative of Mr. Mullins’s estate.
Ms. Mullins eventually learned that Dr. Mejia, as an employee of East Tennessee State University, was personally immune from suit in federal court for money damages and that any claims against the State of Tennessee based on Dr. Mejia’s care of her husband could only be pursued by filing a claim with the Tennessee Claims Commission. Accordingly, on November 3, 2004, Ms. Mullins voluntarily dismissed her claims against Dr. Mejia in the federal proceeding. Later, on January 7, 2005, she filed a claim with the Division of Claims which was transferred to the Tennessee Claims Commission on April 7, 2005.
In the meantime, Ms. Mullins turned her attention to the medical malpractice suit then pending in federal court. She *534 amended her complaint to add another nurse who had attended Mr. Mullins during the post-operative period and the nurse’s employer. After these new defendants were brought into the case, they asserted in accordance with Tenn.Code Ann. § 20-l-119(e) (Supp.2008) that Dr. Mejia, who was now a nonparty, had caused or contributed to Mr. Mullins’s injuries.
The federal trial of the medical malpractice claims against the remaining defendants began on October 31, 2006. Dr. Mejia testified as a fact witness for Ms. Mullins regarding the events of January 9 and 10, 2004. Despite the absence of any competent expert testimony regarding Dr. Mejia’s post-operative care of Mr. Mullins, the nurse and his employer who had been added as defendants requested that Dr. Mejia’s name be included on the verdict form to enable the jury to allocate fault to him. The United States District Court agreed and included Dr. Mejia’s name on the verdict form. Following seven days of trial, the jury returned a verdict on November 8, 2006, after deliberating for one hour and twenty-five minutes. The jury unanimously found that neither the named defendants nor Dr. Mejia were at fault for the injuries sustained by Mr. Mullins or Ms. Mullins. Accordingly, the jury assigned 0% of the fault to Dr. Mejia. Ms. Mullins did not appeal this verdict.
On November 20, 2006, the State filed a motion in the Claims Commission seeking dismissal of the pending claims against Dr. Mejia on the ground of collateral estoppel. The State asserted that Ms. Mullins should not be permitted to proceed with her claims against Dr. Mejia because “[t]he dispositive issue in this case — whether or not Dr. Mejia was at fault for contributing to the death of Daniel Mullins — has been previously decided by a jury in the federal case of
Juanita Mullins v. Wellmont Health Systems, et al.”
The claims commissioner denied the State’s motion but granted the State permission to pursue an interlocutory appeal in accordance with Tenn. R.App. P. 9. The Court of Appeals filed an opinion on January 24, 2008, affirming the claims commissioner’s denial of the State’s motion. The court concluded that the State had failed to establish that Dr. Mejia’s negligence had actually been litigated in the federal proceeding or that Ms. Mullins had a full and fair opportunity to litigate the issue of Dr. Mejia’s liability in the federal proceeding.
Mullins v. State,
No. E2007-01113-COA-R9-CV,
II.
Collateral estoppel is a judicially created issue preclusion doctrine,
Kremer v. Chem. Constr. Corp.,
The party invoking collateral es-toppel has the burden of proof.
State v. Scarbrough,
Moreover, in order for the doctrine of collateral estoppel to apply, the issue must not only have been actually litigated and decided, it must also have been necessary to the judgment.
State v. Thompson,
The question of whether collateral estoppel applies is a question of law.
Morris v. Esmark Apparel, Inc.,
III.
Our consideration of the application of collateral estoppel in this case focuses on only two factors because there is no disagreement (1) that the judgment in the federal proceeding is final, and (2) that Ms. Mullins, against whom the State is asserting collateral estoppel, was a party to the earlier proceeding.
Furthermore, although Ms. Mullins contends otherwise, it is clear that the issue sought to be precluded is identical to that decided in the federal trial. When a party invokes the doctrine of collateral estoppel, the court must first identify the legal or factual issues that were decided in the earlier proceeding. Then the court must identify the issue or issues sought to be precluded in the later proceeding. Finally, the court must determine whether the issue or issues sought to be precluded in the later proceeding are the same as the issue or issues that were actually decided in the earlier proceeding. For the doctrine of collateral estoppel to apply, the issue or issues sought to be precluded in the later proceeding must be identical, not merely similar, to the issue or issues decided in the earlier proceeding.
Patton v. Estate of Upchurch,
The State asserts that the Court of Appeals erred by declining to apply the doctrine of collateral estoppel. We have determined that the issue of Dr. Mejia’s negligence was actually litigated in the federal trial. However, we agree with the Court of Appeals that the federal proceeding did not afford Ms. Mullins a full and fair opportunity to assert the claims against Dr. Mejia.
A.
For an issue to be “actually litigated” for the purpose of applying the doctrine of collateral estoppel, it must have been “properly raised, by the pleadings or otherwise, and ... submitted for determination, and ... determined.” Restatement (Second) of Judgments § 27 emt. d. The requirement that an issue be “actually litigated” does not imply that the issue must have been litigated in a full evidentia-ry and adversarial trial. An issue need not be thoroughly litigated in order to be “actually litigated.”
Cont’l Can Co., U.S.A. v. Marshall,
The proceedings in the United States District Court were consistent with the requirements of Tennessee’s comparative negligence principles first adopted in
McIntyre v. Balentine,
Thus, the pleadings in the federal proceeding properly raised Dr. Mejia’s negligence and placed it at issue. While little or no evidence regarding the efficacy of Dr. Mejia’s care of Mr. Mullins was presented by any of the parties in the federal proceedings, at least as far as the record before us shows, the District Court prepared a verdict form that required the jury to decide whether to allocate some or all of the fault to Dr. Mejia. The jury form reflects that the jury considered Dr. Mejia’s actions on January 9 and 10, 2004 and declined to allocate any of the fault to him for the Mullinses’ damages. Accordingly, no conclusion can be reached other than that the issue of Dr. Mejia’s negligence was actually litigated in the federal proceeding, 3 and that the jury’s determination of Dr. Mejia’s fault was necessary to the judgment. 4
*538 B.
A party invoking collateral estop-pel must demonstrate that the person against whom collateral estoppel is asserted had a full and fair opportunity to litigate the issue now sought to be precluded.
Morris v. Esmark Apparel, Inc.,
The “actually litigated” requirement and the “opportunity to litigate” requirement sound similar, but they are not. The former focuses on the issues, while the latter focuses on the affected parties.
Sartin v. Macik,
The courts have not devised a precise definition of what constitutes the sort of “full and fair opportunity to litigate” that will support the invocation of the doctrine of collateral estoppel.
See Warren v. McCall,
We have determined that the proceeding in federal court did not provide Ms. Mullins with a full and fair opportunity to litigate her medical negligence claims against Dr. Mejia. It is undisputed that Ms. Mullins could not, as a matter of law, recover monetary damages from either Dr. Mejia or the State in the federal proceedings. Common sense also dictates that it would have been foolhardy for Ms. Mullins to press her claim that Dr. Mejia had been negligent in the federal proceeding because doing so would have diluted the strength of her claims against the remaining defendants 8 and would have profited her little in later proceedings against Dr. Mejia. 9 Accordingly, Ms. Mullins had little incentive to litigate her negligence claim against Dr. Mejia in the federal proceeding. In fact, it was not Ms. Mullins who was pursing negligence claims against Dr. Mejia; it was other defendants.
In addition, Dr. Mejia was not a party to the federal proceeding, and therefore, he would not have been permitted to rebut the proof that Ms. Mullins or any of the other parties in the federal proceeding might have introduced with regard to his care of Mr. Mullins. By the time the federal trial commenced, Ms. Mullins had already filed her claim against Dr. Mejia with the Tennessee Claims Commission, and the parties were aware and reasonably anticipated that there would be additional litigation before the Claims Commission regarding Ms. Mullins’s medical negligence claim against Dr. Mejia. Thus, at the time of the trial in federal court, both Ms. Mullins and Dr. Mejia knew that there would be a later opportunity to be heard before the Claims Commission.
*540 The State, however, argues that the limitations on the federal proceeding should have been well known to Ms. Mullins and, therefore, that she is the author of her own misfortune because she chose to file her suit in federal court when she could have filed it in state court. Had she done so, the State argues that two proceedings would have been unnecessary because her claims against Dr. Mejia would have been transferred to the state court in accordance with Tenn.Code Ann. § 9-8-404 (1999), for a trial with the other defendants.
While the State may very well be correct that the claims commissioner would have transferred the claim against Dr. Mejia to state court had Ms. Mullins’s medical malpractice proceeding against the other defendants been pending there, such a transfer is not a legal certainty. Tenn. Code Ann. § 9-8-404(b) permits, but does not require, a claims commissioner to transfer claims against the State and state employees to state court to be consolidated with related claims.
See Newell v. Maitland,
No. W2007-01704-COA-R3-CV,
Plaintiffs are the masters of their complaint and may choose to file it either in state or in federal court subject to applicable rules of jurisdiction and venue.
See Caterpillar Inc. v. Williams,
IV.
Every person is entitled to his or her day in court, and no more.
D.B. Loveman Co. v. Bayless,
Notes
. See also 18 Charles A. Wright, Arthur R. Miller & Edward H. Cooper, Federal Practice and Procedure § 4403, at 20-21 (2d. ed. 2002) (hereinafter “Federal Practice and Procedure ”).
. See also Morse v. Comm’r,
. The decisions of the federal courts are entitled to full faith and credit. U.S. Const, art. IV, § 1; Restatement (Second) of Judgments § 87 cmt. a. The preclusionary rules serve to “promote the comity between state and federal courts that has been recognized as a bulwark of the federal system."
Allen v. McCurry,
However, the application of the "full faith and credit" principle and the doctrine of collateral estoppel do not hinge on the correctness of the judgment in the federal proceeding. There is no question that the central risk of invoking the preclusionary doctrines (collateral estoppel and res judicata) is the possibility that the decision in the first proceeding may be mistaken. 18
Federal Practice and Procedure
§ 4416, at 398. However, even an erroneous judgment is entitled to preclusive effect as long as all the other prerequisites have been met,
See Creech v. Addington,
If indeed no competent expert evidence regarding Dr. Mejia’s breach of the applicable standard of care was introduced in the federal proceeding, there is a substantial question about the propriety of including his name on the verdict form and instructing the jury to determine whether fault should be allocated to him. However, for the purposes of the case before us, it does not matter whether including Dr. Mejia’s name on the verdict form was error or not. His name was included on the verdict form and the jury actually addressed his liability based on the evidence that had been presented. Thus, notwithstanding the possibility of error, the judgment in the federal proceedings based on the jury’s verdict supports finding that the issue of Dr. Mejia's negligence was "actually litigated.”
. Juty verdict forms are essential in comparative fault cases.
See McIntyre v. Balentine,
. Restatement (Second) of Judgments § 29(1) (issue preclusion would be incompatible with the applicable scheme of administering remedies), 29(2) (the forum of the later proceeding affords the party against whom preclusion is asserted procedures for the determination of issues that were not available in the first action), 29(3) (considering whether the party against whom preclusion is sought could have joined its present adversary in the earlier proceeding). It is also appropriate to consider the delicate balancing process that decision-makers must make in comparative fault cases. Knowledgeable commentators have cautioned against
extending the complex calculation of comparative responsibility beyond the confines of the immediate litigation. The allocation of responsibility depends not only on the extent of departure from the applicable standard of care but also on comparative causal contribution. The calculation depends intensely on the felt justice of a particular outcome between particular parties. When seemingly identical issues are presented in later litigation on different claims, *539 it is useful to find some means to deny preclusion.
18 Federal Practice and Procedure § 4421, at 552 n. 15; accord Restatement (Second) of Judgments § 29, reporter's note cmt. g (noting that preclusion had been refused in circumstances where the prior claim involved an assessment of comparative fault). Because the State and Dr. Mejia failed to demonstrate an essential element of their collateral estop-pel claim, this case does not require us to consider the extent to which comparative fault judgments should be given preclusive effect.
. Parklane Hosiery Co.
v.
Shore,
.
In re Tariff Filing of Cent. Vt. Pub. Serv. Corp.,
. The defendants in the federal proceedings had a much greater incentive than Ms. Mullins to prove Dr. Mejia’s negligence because doing so would have deflected liability away from them.
. Tennessee courts have not recognized the nonmutual offensive use of collateral estop-pel.
Trinity Indus., Inc. v. McKinnon Bridge Co.,
