Kenneth Armstrong


Armstrong, Donohue, Ceppos & Vaughan

Firm Website






Mr. Armstrong formed the law practice of Armstrong, Donohue, Ceppos and Vaughan in May of 1987. As Senior Partner, a significant portion of his practice involves the trial of complex civil matters, including medical and professional malpractice. Mr. Armstrong also practices in the areas of general business and civil litigation.

Born in 1955, Mr. Armstrong grew up in Bethesda, MD graduating with honors in History from Clark University. He received his J.D. degree from American University, Washington College of Law graduating in the top 25% of the class. Prior to starting the firm, Mr. Armstrong was both an Associate and Partner at the firm of Donahue, Ehrmantraut & Montedonico specializing in insurance defense practice for physicians, hospitals, and insurance carriers.

Mr. Armstrong has been recognized within the field of Trial Lawyers by being elected as Fellow of the American College of Trial Lawyers, serving as the Maryland State Chair from 2002-2004. Mr. Armstrong has been listed in Best Lawyers in America from 1997 to present as well as Who’s Who in American Law, 1994 to present, and Who’s Who Among Outstanding Americans, 1995 to present. He has been elected as a Fellow of the International Academy of Trial Lawyers.

Mr. Armstrong has regularly been asked to serve on panels, demonstrate in mock trials, lecture and present seminars as an expert in the areas of professional and general liability claims, litigation and claims management, risk management in medical malpractice and changes in medical malpractice law, to name a few.

Practice Areas

  • Medical Malpractice Law
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  • Professional Liability Law
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  • Personal Injury Law
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  • Litigation
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  • Professional Licensing and Credentialing
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  • Trial Practice

Professional Organizations

Fellow, American College of Trial Lawyers (MD State Chair 2002-2004)

Fellow, International Academy of Trial Lawyers

Advocate, American Board of Trial Advocates

Maryland Bar Foundation

Maryland State Bar Association

Montgomery County, Maryland Bar Association

Bar Association of the District of Columbia


Clark University, B.A., with honors, 1976

Washington College of Law, American University, J.D., 1979.


“Confidentiality of Medical Records in Maryland” Co-authored with Pamela Kincheloe, Lorman Business Institute (1999).

“Taking and Defending Deposition” Co-Authored with Michael, Ethridge, and Quinn, Lorman Business Institutue (1999).

“Medical Malpractice in Maryland” Co-Authored with Ellin and Bekman, National

Business Institute, Inc. (1987).

Admitted To Practice

District of Columbia


Bar Admissions

Maryland Court of Appeals (1979)

United States District Court, Maryland (1980)

District of Columbia Court of Appeals (1980)

United States District Court, District of Columbia (1980)

United States Court of Appeals for the Fourth Circuit (1981)

United States Court of Appeals for the D.C. Circuit (2004)