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I believe in client-centered lawyering. I bring this view to all the cases I works on, creating a strong bond and relationship with each client. I believe that cases are a team effort between the firm and the client, where the client is the captain of the ship, and I helps make sure each client is steered in the proper direction to obtain his/her goals.
I earned my J.D. from the University of Denver Sturm College of Law in 2016, where I graduated with Academic Distinction. While there, I worked for the University of Denver Criminal Defense Clinic for almost two years where I explored my passion for indigent defense. At the clinic, I represented clients in county and municipal court, conducted legal research and drafted constitutional motions on behalf of my clients. I continued my interest in criminal defense by working for the Colorado State Public Defender as a certified intern in the summer of 2015. There, I handled my own docket, and represented clients in county court charged with misdemeanor and traffic offenses. In total, I gained extensive experience through handling over 100 cases and trying many jury trials.
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Chat withState: Washington
Acquired: 2016
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814 Second Avenue, 515, Seattle, WA, 98104
430 West Indiana, Spokane, WA, 99205
1408 140th Pl NE 400, Bellevue, WA, 98007
46 Client Reviews
Showing 1 - 5 of 12 reviews | Practice Area Knowledge
Posted by Maggie | January 13, 2025 | Hired Attorney | Family
Couldn't be in better hands!
Had a wonderful experience here! Mark Cassell helped in my family Law case. He listened to what my concerns were and made sure I was heard. I would recommend this firm to anyone who needs family law legal help!
Posted by Scott | May 10, 2022 | Hired Attorney | Child Custody
Great Law firm
Very professional and knowledgeable staff. I would highly recommend them. They handled a child custody and a criminal case for me. They got straight to the point and got things handled. They are all very experienced.
Posted by TRW | April 14, 2022 | Hired Attorney | Divorce & Separation
Amazing Attorney
I was over a year in on a high conflict divorce case in a surrounding rural county where legal system cronyism seemed to be taking full advantage of the large amounts of money that the opposing party was willing to throw into the case. Along with being a father, I felt I was seriously disadvantaged f...
Posted by Joe | May 07, 2020 | Hired Attorney | Divorce & Separation
Great Job
Mark was straight to the point and got the job done in a divorce that should have been simple but wasn’t. Everything ended up working out almost exactly the way he thought it would and in the end I am very happy with the result.
Posted by Brenda | March 24, 2020 | Hired Attorney | Criminal Defense
Agressive, knowledgeable and competent attorney
I hired Mark to take on a criminal matter for me. This was one of the most stressful times of my life, but having Mark on my side really made me feel at ease. He handled my case with such professionalism and competency that it made the process almost easy. His knowledge of the law and aggressiveness ...
"Mark Cassell is an outstanding young attorney. He has excellent knowledge of criminal law issues, and is a zealous advocate. You cannot go wrong with Mark in your corner!"
"I had the pleasure to work with Mark on a handful of cases. He is a fighter and aggressively represents his clients."
"I endorse this lawyer. Mark is an outstanding attorney. He represents his clients with zealous professionalism."
"Mark's knowledge of the law is surpassed only by his dedication to his clients. I would not hesitate recommend Mark for any legal matter, and would completely trust his legal analysis on any legal issue."
"Mark is a skilled advocate who is dedicated to his clients and has the knowledge and insight to assist them in successfully navigating the family law court system."
"Mark and I have worked on several matters opposing one another in recent years. They have not always been easy, but I have found Mark to be professional, intelligent, respectful and a pleasure to work with. I can appreciate that Mark is a tough advocate, but not so much that it gets in the way of his professionalism. I have referred cases to him on occasion when I have had a conflict or believe that he may be best suited for a case. I believe Mark to be an outstanding attorney and happily endorse him."
"Mark Cassell, is a tenacious adversary. He is always prepared for court. He knows the law well, and his arguments are persuasive. I appreciate his level of dedication and thoroughness, because it makes more work for me, when I have to deal with someone who is unprepared. I can always count on Mark to be ready and to be well versed in the legal issues in the dispute."
"I had the pleasure of working for Mark. He is organized and accessible. He puts his client's needs first, while aggressively advocating for their interests."
"Mark is an amazing advocate for his clients. He is extremely knowledgeable and skilled inside the courtroom and out. I would feel confident recommending anyone to him."
"I see Mark around the courthouse and in court all the time. He is busy and diligent - very knowledgeable about law, and speaks well. I highly recommend Mark Twyford Cassel as your attorney."
"I endorse this lawyer. I got to know Mark very well in law school. He has a dedicated passion for all clients and the ability to understand the law."
"I endorse this lawyer. Mark and I worked on a contentious Domestic Violence case that involved numerous violations and the potential for the client to face serious jail time. All throughout the process Mark kept a cool head and helped us reach a favorable plea offer."
"Mark and I worked together frequently during law school. Mark was a hard worker and actively focused on learning skills that would help him with his current practice. He also appeared to be a very zealous advocate for his clients."
"Mark has his client's best interest in mind from the second he gets a case. He is extremely knowledgeable about the law and a diligent worker."
"Mark assisted me with a family law matter and was extremely professional. He helped me come up with a solution to a problem, while displaying a vast amount of knowledge. His familiarity with legal principles, and desire to help people, is truly exceptional."
Divorce and separation lawyer
Divorce and separation lawyer
Mediation lawyer
Criminal defense lawyer
Family lawyer
Criminal defense lawyer
Criminal defense lawyer
Criminal defense lawyer
Divorce and separation lawyer
Divorce and separation lawyer
2019
Top 40 Under 40, American Academy of Attorneys
2019
Top 40 Under 40, National Trial Lawyers
2018
Top Lawyer, American Law Society
2018
Top Attorney, Avvo
2017
Client's Choice, Avvo
2016
Scholastic Excellence Award-Evidence Practicum, University of Denver
2016
Scholastic Excellence Award- Advanced Family Law, University of Denver Sturm College of Law
2015
Charles F. Brannan National Scholarship, University of Denver
2015
Scholastic Excellence Award - Evidence (Top Grade), University of Denver Sturm College of Law
2014
Scholastic Excellence Award-Evidence, University of Denver
2014
Stephen Burrell Memorial Endowed Scholarship, University of Denver
2014
Zavell Family Endowed Scholarship, University of Denver
2014
Morrisard and Rossi Endowed Scholarship, University of Denver
2013
Best Advocate Award, STLA
2016 - Present
Associate Attorney, Twyford Law Office
2015 - 2015
Certified Student Attorney, Colorado Public Defender's Office
2014 - 2014
Legal Clerk, Samler and Whitson
2014 - 2015
Certified Intern, University Of Denver Student Law Office
2017 - Present
National Association of Criminal Defense LawyersMember
2017 - Present
Washington Defender AssociationMember
2016 - Present
Washington Association of Criminal Defense LawyersMember
2016 - Present
Federal Bar AssociationMember
2016 - Present
Washington State Bar Association, Family Law SectionMember
Member
Member
Dismissed
2016
JD - Juris Doctor
2013
BS - Bachelor of Science
2018
State of DUIs in Spokane
2024
2024
2024
2024
2024
2024
2024
2024
2024
2024
2024
2015
English
Legal Answers
Am I entitled to anything after 31 years in a committed intimate relationship?
08 Jun 2021
What do I do now that my ex and I broke up and own a home together in the state of WA?
29 Jul 2020
Are there divorce accountants in my area who help divorcing parties with division of pensions and property?
26 Mar 2020