Michigan Compiled Laws

Mich. Comp. Laws § 429.44 (2026)

Common law rights.

✓ current as of July 2026

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TRADEMARKS AND SERVICE MARKS

Act 242 of 1969

429.44 Common law rights.

Sec. 14.

Nothing contained in this act shall adversely affect the rights or the enforcement of rights in marks acquired in good faith at any time at common law.

History: 1969, Act 242, Eff. Jan. 1, 1970

Notes of Decisions

Cited in 3 cases, 2005–2014 · leading case: Wysong Corp. v. M.I. Indus., 412 F. Supp. 2d 612 (E.D. Mich. 2005).

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Wysong Corp. v. M.I. Indus., 412 F. Supp. 2d 612 (E.D. Mich. 2005). · cites it 2× “When evaluating an infringement claim of an unregistered trademark, “courts must determine whether the mark is protectable, and if so, whether there is a likelihood of confusion as a result of the would-be infringer’s use of the mark.”

Janet Travis, Inc. v. Preka Holdings, LLC, 856 N.W.2d 206 (Mich. Ct. App. 2014). “See MCL 429.44 (stating that “[n]othing contained in this act shall adversely affect the rights or the enforcement of rights in marks acquired in good faith at any time at common law”) and Ed Subscription Servs, Inc v American Ed Servs, Inc, 115 Mich App 413 ; 320 NW2d 684…”

Movie Mania Metro, Inc. v. GZ DVD's Inc., 857 N.W.2d 677 (Mich. Ct. App. 2014). “” Travis, 306 Mich App at 275 , citing MCL 429.44. Furthermore, “[i]t is also ‘appropriate to look to federal case law when interpreting a state statute which parallels its federal counterpart,’ as it appears the Michigan Trademark Act does the federal Lanham Act.”

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