Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

Mark J Halvorson

Suspended

Mark J Halvorson is an attorney admitted to the New York State Bar in 2004, with a registered practice address in Alexandria, New York. According to the New York Office of Court Administration, the current registration status on record is Suspended.

Registration number4206405
Bar statusSuspended
Year admitted2004
Judicial departmentDepartment 3
Law schoolSeton Hall
Practice cityAlexandria, NY
Firm / organizationUnited States Patent & Trademark Office
Office address401 Dulany St, Alexandria, NY, 22314
Phone(571) 272-6539
Next registration dueJun 2026

About United States Patent and Trademark Office

The United States Patent and Trademark Office (USPTO) is a federal agency inside the U.S. Department of Commerce that acts as the national patent office and the trademark registration authority. Its headquarters campus is in Alexandria, Virginia, and most public events at the USPTO are held in the Madison Building. The agency states that its mission centers on driving U.S. innovation and global competitiveness, and it runs training and capacity-building programs meant to encourage respect for intellectual property among trading partners.

Practice areas of United States Patent and Trademark Office:

Intellectual Property

These are the practice areas the organization describes on its website. They are not a statement about Mark J Halvorson’s own practice or any specialty certification.

View the United States Patent and Trademark Office profile and its 5 registered attorneys →

Office location

Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.

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Bar status can change at any time. For the authoritative, real-time status of Mark J Halvorson, confirm directly through the official New York Attorney Search using the registration number above. This record is republished from public New York State data and is provided for reference only — it is not legal advice and not an endorsement.

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