Mich. Comp. Laws » Michigan Compiled Laws / Chapter 600 / Act 236 of 1961
Michigan Compiled Laws

Mich. Comp. Laws § 600.2925b (2026)

Determining pro rata shares of tortfeasors.

✓ current as of July 2026
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REVISED JUDICATURE ACT OF 1961


Act 236 of 1961


600.2925b Determining pro rata shares of tortfeasors.

Sec. 2925b.

    Except as otherwise provided by law, in determining the pro rata shares of tortfeasors in the entire liability as between themselves only and without affecting the rights of the injured party to a joint and several judgment:

    (a) Their relative degrees of fault shall be considered.

    (b) If equity requires, the collective liability of some as a group shall constitute a single share.

    (c) Principles of equity applicable to contribution generally shall apply.

History: Add. 1974, Act 318, Imd. Eff. Dec. 15, 1974 ;-- Am. 1982, Act 147, Imd. Eff. Apr. 28, 1982 ;-- Am. 1986, Act 178, Eff. Oct. 1, 1986

Notes of Decisions
Cited in 27 cases, 1979–2005 · leading case: Gerling Konzern Allgemeine Versicherungs AG v. Lawson, 693 N.W.2d 149 (Mich. 2005).
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Gerling Konzern Allgemeine Versicherungs AG v. Lawson, 693 N.W.2d 149 (Mich. 2005). · cites it 8× “] MCL 600.2925b addresses the expression "pro rata share" and includes considerations of fault and equity: Except as otherwise provided by law, in determining the pro rata shares of tortfeasors in the entire liability as between themselves only and without affecting the rights…”
Tebo v. Havlik, 343 N.W.2d 181 (Mich. 1984). · cites it 4× “It is now sufficient that the tortfeasors are under a common burden of liability to the plaintiff.”
Placek v. City of Sterling Heights, 275 N.W.2d 511 (Mich. 1979). · cites it 2× “" MCL 600.2925b; MSA 27A.2925(2). [13] We approve of the material contained in the appendix to the majority opinion.”
Adkins v. Thomas Solvent Co., 487 N.W.2d 715 (Mich. 1992). · cites it 2× “[6] See 1986 PA 178 , amending the Revised Judicature Act § 2925b (MCL 600.2925b; MSA 27A.2925[2]) concerning the determination of the pro-rata shares of tort-feasers, and to add § 6304 (MCL 600.”
Mayhew v. Berrien Cnty. Road Comm'n, 326 N.W.2d 366 (Mich. 1982). · cites it 4× “First, as to comparative fault, MCL 600.2925b; MSA 27A.2925(2), at *406 the time of the accident and also commencement of the action, provided in pertinent part: "(a) Their relative degrees of fault shall not be considered.”
Theophelis v. Lansing Gen. Hosp., 424 N.W.2d 478 (Mich. 1988). · cites it 2× “[39] MCL 600.2925b; MSA 27A.2925(2). [40] 12 ULA 87.”
Craig v. Larson, 439 N.W.2d 899 (Mich. 1989). · cites it 2× “2949, MCL 600.2925b; MSA 27A.2925(2), and MCL 600.”
Downie v. Kent Prods., Inc, 362 N.W.2d 605 (Mich. 1985). · cites it 2× “MCL 600.2925b; MSA 27A.2925(2) (as amended by 1982 PA 147 ).”
Rittenhouse v. Erhart, 380 N.W.2d 440 (Mich. 1986). · cites it 2× “MCL 600.2925b; MSA 27A.2925(2), MCL 600.2925c; MSA 27A.”
Reed v. St Clair Rubber Co., 324 N.W.2d 512 (Mich. Ct. App. 1982). · cites it 2× “MCL 600.2925b(a); MSA 27A.2925(2)(a). However, the adoption of comparative negligence among joint tortfeasors could be effected by decision of the Michigan Supreme Court.”
Willis v. Total Health Care of Detroit, 337 N.W.2d 20 (Mich. Ct. App. 1983). · cites it 2× “Assuming that the decision in Drinkard, supra, is still viable following the 1974 amendment to the contribution statute, MCL 600.2925b; MSA 27A.2925(2), I cannot agree that the trial court was correct in granting defendant's motion for accelerated judgment.”
Hastings Mut. Ins. Co. v. State Farm Ins. Co., 442 N.W.2d 684 (Mich. Ct. App. 1989). · cites it 2× “The general contribution statute, MCL 600.2925b; MSA 27A.2925(b), 1974 PA 318 as amended by 1982 PA 147 , now allows consideration of relative fault.”
Show all 27 citing cases →
— Mich. Comp. Laws § 600.2925b(a) — 1 case
Reed v. St Clair Rubber Co., 324 N.W.2d 512 (Mich. Ct. App. 1982). “MCL 600.2925b(a); MSA 27A.2925(2)(a). However, the adoption of comparative negligence among joint tortfeasors could be effected by decision of the Michigan Supreme Court.”
— Mich. Comp. Laws § 600.2925b(c) — 1 case
Gerling Konzern Allgemeine Versicherungs AG v. Lawson, 693 N.W.2d 149 (Mich. 2005). “] MCL 600.2925b addresses the expression "pro rata share" and includes considerations of fault and equity: Except as otherwise provided by law, in determining the pro rata shares of tortfeasors in the entire liability as between themselves only and without affecting the rights…”
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