Atty. Jeffrey A. Turnoy

Atty. Jeffrey A. Turnoy

In his legal career, Jeff Turnoy has worked exclusively and diligently in criminal defense. Jeff’s practice runs the full spectrum of criminal cases, from low-level misdemeanors to major felonies and Measure 11 cases.

Portland Portland 14 yrs experience 14 year
Call (503) 912-8045 Book Appointment

Profile Summary

About Jeffrey A. Turnoy at a glance

Jeffrey A. Turnoy is a Senior Associate based in Portland, Oregon, practicing at Mark C. Cogan, P.C.. They have 14+ years of legal experience, licensed to practice since 2012. Their practice focuses on drug crimes, criminal defense, federal crimes, white collar, and sex crimes. Admitted to practice in Oregon (2012). Educated at Willamette University College of Law (J.D., 2012). Serands clients in Portland, OR and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • In his legal career, Jeff Turnoy has worked exclusively and diligently in criminal defense
  • Jeff’s practice runs the full spectrum of criminal cases, from low-level misdemeanors to major felonies and Measure 11 cases
  • Jeff also specializes in relief from sex-offender registration and expungement of qualified sex-crimes, for which Jeff routinely assists other attorneys and has given professional presentations on the subject
  • Jeff Turnoy grew up in the Portland area in the Pacific Northwest and has resided in Oregon for more than 25 years
  • Jeff graduated from Western Oregon University and received his J.D. from Willamette University College of Law
  • While in law school, Jeff was a member and elected Business Editor of the Willamette Law Review, wrote for Willamette Law Online, and achieved High Paper honors in Comparative Constitutional Law, Law and Education, and Oregon Criminal Procedure and Practice, taught by Paul De Muniz, former Chief Justice of the Oregon Supreme Court
  • Jeff also achieved publication of a Law Review Article in the Willamette Law Review during his third year in law school, titled Faith Healing Prosecutions in Oregon: The Fine Line Between Parental Constitutional Rights and Governmental Interests
  • Jeff is resourceful, focused, and determined to do whatever is necessary to achieve the best possible result for clients of Mark C. Cogan, P.C
  • Law Offices
  • A fierce competitor and sports enthusiast, Jeff Turnoy hates to lose!
  • He played basketball, baseball, soccer, and tennis throughout his school years, winning the Oregon State Championship as a high school varsity tennis athlete
  • Jeff is also an avid golfer and former league bowler
  • With a never say die attitude, Jeff Turnoy is your choice for the most aggressive criminal defense
  • Why Cogan Law Office?
  • As a Senior Associate at Mark C. Cogan, P.C
  • Law Offices, Jeff holds true to the mission of the firm— to provide the highest level of representation, and to leave no stone unturned to produce the very best result possible
  • We take great pride in representing our clients, and have achieved excellent results

Practice Areas Explained

Jeffrey A. Turnoy's Areas of Practice

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

Drug Crimes

Jeffrey A. Turnoy is one of 6,966 drug crimes attorneys indexed nationally. Browse drug crimes attorneys in Oregon →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Jeffrey A. Turnoy is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Oregon →

Federal Crimes

Jeffrey A. Turnoy is one of 6,773 federal crimes attorneys indexed nationally. Browse federal crimes attorneys in Oregon →

White Collar Crimes

Jeffrey A. Turnoy is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in Oregon →

Sex Crimes

Jeffrey A. Turnoy is one of 5,340 sex crimes attorneys indexed nationally. Browse sex crimes attorneys in Oregon →

Jurisdictional Context

Why local counsel matters in Oregon

Practicing law in Oregon. Legal matters in Oregon are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Portland are typically filed in the local municipal court or the appropriate Oregon state district court, depending on subject matter and amount in controversy. An attorney licensed in Oregon 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 Oregon courts without local counsel or pro hac vice admission.

Looking for additional Oregon attorneys? Browse all attorneys in Portland or all attorneys in Oregon.

Frequently Asked

Common questions about Jeffrey A. Turnoy

Where is Jeffrey A. Turnoy's law office located?
Jeffrey A. Turnoy's law practice is located in Portland, Oregon. The firm is Mark C. Cogan, P.C.. You can contact the office directly through this profile page.
What practice areas does Jeffrey A. Turnoy handle?
Jeffrey A. Turnoy focuses on drug crimes, criminal defense, federal crimes, white collar, sex crimes. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has Jeffrey A. Turnoy practiced law?
Jeffrey A. Turnoy has 14+ years of legal experience and has been licensed since 2012.
Where did Jeffrey A. Turnoy go to law school?
Jeffrey A. Turnoy earned their education at (J.D., 2012).
How can I contact Jeffrey A. Turnoy for a consultation?
You can contact Jeffrey A. Turnoy 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.
Willamette University College of Law
- 2012

Bar Admissions

Oregon
Admitted: 2012

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