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Aggressive & Effective Attorneys Led By A Former Police Officer & Prosecutor

As a full-service law firm, we are equipped to handle a wide range of cases, including criminal defense, DUI defense, and personal injury.
We work to achieve your best possible outcome while continuing to prioritize your overall experience as a client of our firm.

Phoenix Trial Lawyers

Full-Service Law Firm Serving Arizona Residents

Knowles Law Firm, PLC is a full-service law firm serving residents throughout Phoenix and the state of Arizona. Our experienced trial lawyers focus on protecting the rights of clients in the areas of personal injury, criminal defense, and DUI defense. No matter how challenging a case may be, we fight aggressively on behalf of the individuals and families we represent—and we fight to help them secure the best outcome possible.

Award-Winning Trial Attorneys

Whether you or someone you love has been arrested or injured in an accident, Knowles Law Firm, PLC is prepared to fight on your behalf. Attorney Knowles is a former Arizona Police Officer with more than 20 years of experience fighting for the accused and the injured. Together with our legal team, he works tirelessly to secure the results our clients deserve. Contact us immediately if you would like to learn more about how we can fight for you!

Our firm serves clients throughout Maricopa County and Pinal County, including the cities of Scottsdale, Paradise, Valley, Mesa, Phoenix, Glendale, Surprise, Peoria, Goodyear, Buckeye, Avondale, Maricopa, and Apache Junction.

Why Choose Knowles Law Firm, PLC?

Wide Variety of Legal Services
Several Decades of Combined Experience
Offer Free Initial Consultations
Former Prosecutors Serving on Your Side
Former Experience as a Police Officer
Named Among the Top 100 Trial Lawyers in Arizona
Focused on Personal Service & Aggressive Representation
Successful Case Results & Positive Client Reviews

Build a Defense with Guidance from Former Prosecutors

Our Phoenix criminal defense & DUI attorneys have built a reputation for successfully protecting the freedoms and futures of numerous clients facing criminal charges. With former prosecutors and a former police officer, our legal team has a unique level of insight as to how the "other side" operates. We use this insight to the benefit of our clients, and work tirelessly to protect their rights during one of the most difficult experiences a person can face.

Types of Criminal Cases We Handle

All Criminal Defense Cases

Filing a Claim with Our Legal Team

In addition to practicing criminal defense, Knowles Law Firm, PLC also operates a successful personal injury practice. When individuals suffer harm as a result of someone else's negligence, they come to our attorneys to help them as they file a lawsuit and fight for fair compensation.

The attorney you choose to represent you can make all the difference to the outcome of your case. Hiring Knowles Law Firm, PLC is the right decision because we care about our clients, and because we use our experience and resources to secure the maximum compensation possible.

Types of Personal Injury Case We Handle

All Personal Injury Cases

Recent Victories

Our case results speak to the level of success we at Knowles Law Firm, PLC have achieved for our clients. Whether its defending them against criminal accusations or fighting for compensation on behalf of injury victims, we focus on providing aggressive representation and personal service. Contact us today for a free consultation.

All Case Results

Dropped to Misdemeanor Disorderly Conduct Aggravated Assault
Probation with no jail time Aggravated Assault
Charge Reduced to a Misdemeanor Aggravated Assault
Charge Reduced to a Misdemeanor Aggravated Assault
Dismissed Aggravated Assault with a Deadly Weapon
Dismissed Aggravated Assault with Knife
Civil Traffic Ticket for Speeding Aggravated Assault with Motor Vehicle
Plead to misdemeanor offense Aggravated Assualt
Dismissed at Trial Aggravated Assualt
Dismissed at Trial Aggravated Assualt

Reviews from Former Clients

“The attorneys at the firm did a great job negotiating what could have been a really bad situation.”
Armando Ibarra
“If you made a mistake do not feel that you have to go through it alone - I highly recommend working with Knowles.”
Former Client
“Hire him if you want honesty and integrity!”
Former Client
“It seems very uncommon for lawyers to have that level of communication with their clients these days, but overall they stayed in touch with me throughout my entire case.”
Tom Jarvis
“Jonathan Henry, one of the lawyers in the Mesa office, took care of me. He was professional, engaging, and knowledgeable. He won an acquittal.”
Kevin O'Neill

More Testimonials

Meet Our Team

Experienced Attorneys Dedicated to Your Best Result

Firm Overview

Place Your Trust in Proven Phoenix Lawyers

If you are in need of experienced and passionate representation, Knowles Law Firm, PLC is here to help. Our lawyers have dedicated their careers to helping clients navigate the legal system, and because we know the outcome of these cases matter to their future, we work tirelessly on their behalves. Because time is of the essence in these situations, we encourage you to reach out to our attorneys as soon as possible.

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