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Family & Divorce Law

Our attorneys will assure you that you are never alone as you navigate life transitions requiring family legal assistance, including but not limited to divorce, custody agreements, guardianship and adoption.

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Estate Planning & Probate

Our attorneys can assist you with preparing wills, living trusts, powers of attorney and health care directives.

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Real Estate Law

We’re available for all your personal and commerical real estate transactions including settlements, for sale by owner contacts, deeds and commercial and residential leases. We also specialize in transferable development rights, emiminent domain, land use and zoning as well as a wide array of environmental law matters.

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Personal Injury & Workers' Comp

If you suffer from an injury due to the negligence of another, our lawyers are ready to diligently pursue your claim. We can help you with all types of personal injury claims: Workmans' Comp, Wrongful Death, Car accidents, Uninsured/Underinsured Claims, PIP Claims, Pedestrian accidents, Passenger injuries, Rear end collisions, T-bone collisions, Slip and Fall injuries, Medical Malpractice, Professional Malpractice.

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Criminal Defense

Being charged with a crime is a serious matter and our attorneys are ready to assist you through this difficult process. We can help you in both the District and Circuit Courts in any Southern Maryland County. Our office can handle the following types of criminal matters: Assault and Battery, Domestic Violence, Violation of Protective and Peace Orders, Theft/Burglary, Possession of Drugs, Sex Offense Cases, DUI/DWI, and Traffic and MVA Hearings.

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Civil Litigation

Our representation ranges from complex business, construction and real estate disputes to smaller personal contract and tort matters at all levels of Maryland state and federal courts. Additionally, our attorneys represent clients in a wide variety of arbitration matters, from relatively informal hearings with a mutually selected arbitrator to more formal proceedings before the American Arbitration Association.

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Business Law

Partners in our firm have been helping businesses in Southern Maryland for over 20 years. We can assist you with business start-ups, contracts and employment law. Our firm also has a collections department dedicated to ensuring that debts owed to your business are paid to the fullest extent allowed by the law.

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Mediation Alternatives,LLC

Mediation Alternatives, LLC will help you and your spouse reach a resolution that is best for yours and your children, limiting the costs of attorneys and time spent in court. As a trained mediator, Bryan T. Dugan works with families to bring about amicable and fair agreements to all issues associated with divorce.

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Our Attorneys

Shannon A. Dent

Shannon is a transactional associate with experience in real estate, estate planning and probate law. Shannon graduated from the University of Maryland, Baltimore County with her bachelor degree in Political Science in 2008 and obtained her Juris Doctor from the University of Baltimore School of Law in 2011. A St. Mary’s County native, she is a graduate of Leonardtown High School. After missing family and the waterfront in Southern Maryland, she and her husband are thankful to have returned home to raise their family and be more active in the community they grew up in.

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Samuel H. Wiest

Sam is an associate whose practice focuses on real estate transactions and related litigation. He also assists clients in the creation and management of homeowners associations and condominiums, foreclosures, tax sales, and drafting contracts, loan documents, and leases. Sam earned his law degree from the Penn State Dickinson School of Law and a bachelor’s degree from Brigham Young University. Upon graduation from law school he served as law clerk to the Honorable Robert C. Nalley of the Circuit Court for Charles County, after which he joined the firm. Sam speaks Spanish and enjoys travelling abroad, especially to Spain. Married with three children, he is happy to call St. Mary’s County his home.

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Christopher T. Longmore

Chris is a partner of the firm whose practice areas include complex civil litigation, estate planning, zoning/land use and related real estate matters, and government contracts. His litigation practice focuses primarily on business and partnership disputes, construction-related contract disputes and other real estate related matters. He also represents clients in personal injury matters and leads the firm’s collections practice. Chris received his law degree, magna cum laude, from the Georgetown University Law Center in 1997 where he was Editor-in-Chief of the American Criminal Law Review and a Writing Law Fellow. Chris joined Dugan, McKissick and Longmore, LLC in 2000. A graduate of St. Mary’s Ryken High School, Chris is committed to being involved in many community and service activities.

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Bryan T. Dugan

Bryan is a co-founder of Dugan, McKissick and Longmore and has over 25 years of experience as a litigator. Bryan was born in Agana, Guam and moved to St. Mary’s County during his high school years when he attended Chopticon High School. He earned his law degree from the University of Maryland, School of Law. In the late 1980s, Bryan returned to St. Mary’s County as a young lawyer. His practice areas include family, civil, criminal, and traffic litigation matters. Bryan remains an avid supporter and fan of West Virginia Mountaineer Athletics, especially during basketball season.

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Bill D. McKissick, Jr.

Bill is a founding partner of Dugan, McKissick and Longmore, LLC, and has been practicing business, corporate, real estate, zoning and other transactional law since 1989 . He earned his law degree with honors from the University Of Maryland School Of Law and attended Franklin and Marshall College. He grew up in Baltimore City and moved to St. Mary’s County after spending summers clerking at a local law firm while in law school. He has been involved with numerous local boards and task forces concerning issues affecting the business community and community at large and has been active with the Chamber of Commerce, serving as Chairman of the Board of Directors and in many other capacities and he was named Business Person of the Year. He lives in St. Mary’s County, on the Patuxent River, and in his free time, enjoys playing tennis, boating and traveling.

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Rebekka J. Vallandingham

Rebekka is a litigation associate whose practice areas include family law, criminal law and civil litigation. She graduated from Widener University School of Law where she was the Vice-President and Colloquium Coordinator of Trial Advocacy Honor Society and the Pennsylvania Bar Representative of the Student Bar Association. After taking her legal studies abroad to Switzerland, Rebekka was delighted to return to her hometown to practice law.

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Rebekka Vallandingham
Anjelica N. Harden

Anjelica is a litigation associate who graduated with an Honors Concentration from Maurice A. Dean School of Law at Hofstra University. As a law student she was competitively selected for a journal position in Hofstra’s Family Court Review. During her second year she was promoted to Managing Editor of Articles. Anjelica moved around as a Navy child finally landing in St. Mary’s County her freshman year of high school where she attended Great Mills High School.

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