Michigan Compiled Laws, Chapter 600. Revised Judicature Act of 1961 § 600.5838b

(a) The expiration of the applicable period of limitations under this chapter.

(b) Six years after the date of the act or omission that is the basis for the claim.

(a) “Attorney-at-law” means an individual licensed to practice law in this state or elsewhere.

(b) “Law firm” means a person that is primarily engaged in the practice of law, regardless of whether organized as a sole proprietorship, partnership, limited liability partnership, professional limited liability company, professional corporation, or other business entity. Law firm includes a legal services organization.