Mich. Comp. Laws » Michigan Compiled Laws / Chapter 445 / Act 155 of 1981
Michigan Compiled Laws

Mich. Comp. Laws § 445.611 (2026)

Definitions.

✓ current as of July 2026
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OWNERSHIP RIGHTS IN DIES, MOLDS, AND FORMS


Act 155 of 1981


445.611 Definitions.

Sec. 1.

    For purposes of this act:

    (a) "Customer" means a person who causes a moldbuilder to fabricate, cast, or otherwise make a die, mold, or form for use in the manufacture, assembly, or fabrication of plastic parts, or a person who causes a molder to use a die, mold, or form to manufacture, assemble, or fabricate a plastic product.

    (b) "Moldbuilder" means a person who fabricates, casts, or otherwise makes, repairs, or modifies a die, mold, or form for use in the manufacture, assembly, or fabrication of plastic parts.

    (c) "Molder" means a person who uses a die, mold, or form to manufacture, assemble, or fabricate plastic parts.

    (d) "Person" means an individual, firm, partnership, association, corporation, limited liability company, or other legal entity.

History: 1981, Act 155, Eff. Jan. 1, 1982 ;-- Am. 2002, Act 17, Imd. Eff. Mar. 1, 2002

Notes of Decisions
Cited in 6 cases, 2004–2018 · leading case: Gateplex Molded Prods., Inc v. Collins & Airman Plastics, Inc, 681 N.W.2d 1 (Mich. Ct. App. 2004).
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Gateplex Molded Prods., Inc v. Collins & Airman Plastics, Inc, 681 N.W.2d 1 (Mich. Ct. App. 2004). · cites it 3× “617, is not related to the molder’s hen but discusses a time limit after which a customer loses its rights in the mold through *727 inaction, MCL 445.”
H.S. Die & Eng'g, Inc. v. Ford Motor Co. (In Re Plastech Engineered Prods., Inc.), 418 B.R. 235 (Bankr. E.D. Mich. 2009). · cites it 3× “Die seeks to foreclose upon certain tooling under the Michigan Ownership Rights and Dies, Molds and Forms Act, Mich. Comp. Laws Ann. § 445.611 , et. seq.”
CG Automation & Fixture, Inc. v. Autoform, Inc., 804 N.W.2d 781 (Mich. Ct. App. 2011). “We granted leave in this case to consider a question of first impression arising under the Michigan ownership rights in dies, molds, and forms act, MCL 445.611 et seq., also known as the molder’s lien act.”
Delta Engineered Plastics, LLC v. Autolign Mfg. Grp., Inc., 777 N.W.2d 502 (Mich. Ct. App. 2009). · cites it 2× “Proto-Plastics also asserted a statutory lien on the molds in its possession, from which it produced the parts, under the molder’s lien act, MCL 445.611 et seq. Proto-Plastics sought both monetary damages and injunctive relief.”
Sejasmi Indus. Inc v. A+ Mold Inc (Mich. Ct. App. 2016). · cites it 5× “In broad terms, this matter concerns the interpretation and application of the molder’s lien act, MCL 445.611 et seq., pertaining to “ownership rights in dies, molds, and forms for use in the fabrication of plastic parts under certain conditions,” along with the establishment of…”
Sejasmi Indus. Inc v. A+ Mold Inc, 920 N.W.2d 570 (Mich. 2018). · cites it 2× “This provision is a part of the statutory scheme set forth by 2002 PA 17 , which added MCL 445.611 through MCL 445.620c to 1981 PA 155 as amended by 1986 PA 103 , entitled "An act to provide for ownership rights in dies, molds, and forms for use in the fabrication of plastic…”
— Mich. Comp. Laws § 445.611(a) — 2 cases
Sejasmi Indus. Inc v. A+ Mold Inc (Mich. Ct. App. 2016). “In broad terms, this matter concerns the interpretation and application of the molder’s lien act, MCL 445.611 et seq., pertaining to “ownership rights in dies, molds, and forms for use in the fabrication of plastic parts under certain conditions,” along with the establishment of…”
Sejasmi Indus. Inc v. A+ Mold Inc, 920 N.W.2d 570 (Mich. 2018). “This provision is a part of the statutory scheme set forth by 2002 PA 17 , which added MCL 445.611 through MCL 445.620c to 1981 PA 155 as amended by 1986 PA 103 , entitled "An act to provide for ownership rights in dies, molds, and forms for use in the fabrication of plastic…”
— Mich. Comp. Laws § 445.611(b) — 1 case
Sejasmi Indus. Inc v. A+ Mold Inc (Mich. Ct. App. 2016). “In broad terms, this matter concerns the interpretation and application of the molder’s lien act, MCL 445.611 et seq., pertaining to “ownership rights in dies, molds, and forms for use in the fabrication of plastic parts under certain conditions,” along with the establishment of…”
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