Practice Areas

I practice in all areas of criminal law, including DUI, Drug, Assault, Theft, Burglary, Stalking, Traffic, Domestic, etc.

15 years | 1,000 cases

30%

DUI and DWI 16%

As a former prosecutor, I know what makes a good or bad DUI case. This includes alcohol, drug, and combination cases.

15 years | 100 cases

16%

Cannabis Law 5%

Cannabis is an evolving area of the law, with South Dakota voters voting to legalize cannabis in 2020. I handle all cannabis / marijuana matters.

15 years | 100 cases

Divorce and Separation 5%

I represent men and women in divorce matters. Property settlement, child custody, visitation, etc.

8 years | 20 cases

Drug Crime 5%

As a former prosecutor, I have seen it all. Possession, ingestion, distribution, paraphernalia, and more.

15 years | 100 cases

Estate Planning 5%

Wills, estate planning, probate, etc.

8 years | 30 cases

Family 5%

Divorce, custody, abuse and neglect, juvenile matters, visitation, child support.

15 years | 100 cases

Juvenile Law 5%

Delinquency, Child in Need of Supervision, Abuse and Neglect - all areas of juvenile law.

15 years | 100 cases

Violent Crime 5%

All violent crime - assault, burglary, disorderly conduct, etc.

15 years | 100 cases

White Collar Crime 5%

Embezzlement, forgery, tax, etc.

15 years | 50 cases

Uncontested Divorce 3%

Simpler, less expensive, less drama than contested divorce.

8 years | 5 cases

Wills and Living Wills 3%

Simple wills, living wills, estate planning.

8 years | 20 cases

Sex Crime 2%

Rape, sexual assault, etc.

15 years | 25 cases

Child Custody 1%

8 years | 5 cases

Child Support 1%

8 years | 5 cases

Landlord or Tenant 1%

Rental disputes, contracts, etc.

8 years | 4 cases

Probate 1%

Personal representative, will contest, etc.

7 years | 2 cases

Real Estate 1%

Document drafting, deeds, liens, etc.

8 years | 10 cases

Speeding and Traffic Ticket 1%

Any and all traffic law.

15 years | 200 cases

Fees and Rates

Cost

Free Consultation

$0 first 30 minutes

Payment Methods

Cash
Check

Philip A. Terwilliger's Reviews

Avvo Review Score

1.0 /5.0

1 Client Review

Showing 1 - 1 of 1 review | Responsiveness

Posted by anonymous | April 28, 2026 | Hired Attorney

Frequent Legal Aide Issues

I am a member of the University of South Dakota and we contract him to do Student legal aide. He frequently ignores or "misplaces" student emails requesting his services for cases regarding a whole slew of issues. When his phone is dialed it sends you straight to voicemail more often than not and he ...is only effective when contacted frequently by the Dean of Students. He is not accessible to students at all despite the fact he is contracted for students to use and it has caused much stress and panic for students who are in tumultuous situations. His lack of response to students requires more work for the Student Government Association and Dean of Students Offices in order to ensure the service they PAY for is able to be used.

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Philip A. Terwilliger

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Licensed in South Dakota for 16 years

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Law Offices of Philip A. Terwilliger

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