Atty. Mark A Frentrup

Atty. Mark A Frentrup

Mark A Frentrup is a lawyer practicing patents, chemical patent prosecution, chemical patents and 11 other areas of law. Mark received a Ph.D. degree from Michigan State Univ. in 1982, and has been licensed for 26 years.

Troy Troy 26 yrs experience 26 year
Call (947) 237-6164 Book Appointment

Profile Summary

About Mark A Frentrup at a glance

Mark A Frentrup is a Principal based in Troy, Michigan. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on patent and ip. Admitted to practice in Michigan registered to practice before U.S. Patent and Trademark Office (2000). Educated at Wayne State Univ. (J.D., 1999) and Michigan State Univ. (Ph.D. University, 1982). Serands clients in Troy, MI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark A Frentrup is a lawyer practicing patents, chemical patent prosecution, chemical patents and 11 other areas of law
  • Mark received a Ph.D. degree from Michigan State Univ. in 1982, and has been licensed for 26 years
  • Mark practices in Troy, MI

Practice Areas Explained

Mark A Frentrup's Areas of Practice

Each practice area below reflects the types of cases Mark A Frentrup handles, with a brief overview of what that area of law covers.

Patent Law

Mark A Frentrup is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Michigan →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Mark A Frentrup is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Michigan →

Jurisdictional Context

Why local counsel matters in Michigan

Practicing law in Michigan. Legal matters in Michigan are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Troy are typically filed in the local municipal court or the appropriate Michigan state district court, depending on subject matter and amount in controversy. An attorney licensed in Michigan brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Michigan courts without local counsel or pro hac vice admission.

Looking for additional Michigan attorneys? Browse all attorneys in Troy or all attorneys in Michigan.

Frequently Asked

Common questions about Mark A Frentrup

Where is Mark A Frentrup's law office located?
Mark A Frentrup's law practice is located in Troy, Michigan. You can contact the office directly through this profile page.
What practice areas does Mark A Frentrup handle?
Mark A Frentrup focuses on patent, ip. Each practice area listed reflects experience handling cases of that type in Michigan.
How long has Mark A Frentrup practiced law?
Mark A Frentrup has 26+ years of legal experience and has been licensed since 2000.
Where did Mark A Frentrup go to law school?
Mark A Frentrup earned their education at (J.D., 1999); (Ph.D. University, 1982).
How can I contact Mark A Frentrup for a consultation?
You can contact Mark A Frentrup directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Wayne State Univ.
- 1999
Ph.D. University
Michigan State Univ.
- 1982

Bar Admissions

Michigan registered to practice before U.S. Patent and Trademark Office
Admitted: 2000

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