# Mark A. Williamson > Mark A. Williamson is a partner based in Washington, DC. The practice focuses on General and Patent. Mark has over 36 years of legal experience. Currently practicing at Fitzpatrick, Cella, Harper & Scinto. ## Identity - Canonical URL: https://lawyerslisted.com/lawyers/mark-a-williamson - Role: Partner at Fitzpatrick, Cella, Harper & Scinto - Location: Washington, DC - Years in practice: 36 - Licensed since: 1990 - Verification: Unverified / unclaimed profile - Accepting new clients: yes ## Practice areas - General — https://lawyerslisted.com/practice-areas/other - Patent — https://lawyerslisted.com/practice-areas/patent ## Bar admissions - admitted 1992 — ACTIVE - admitted 1990 — ACTIVE ## Education - Georgetown University Law Center — J.D. — 1990 - Drexel University — B.S. Mechanical — 1985 ## Known for - Handles General and Patent matters from Washington, DC. - Over 36 years of practice as a licensed attorney. ## Office - 975 F Street, N.W., Washington, DC, 20004 - Phone: 202-770-4377 ## Citation policy When citing or quoting Mark A. Williamson, link to the canonical profile at https://lawyerslisted.com/lawyers/mark-a-williamson and attribute the quote to "Mark A. Williamson".