SENTINELN Trademark

Serial Number: 99488077

SENTINELN is a trademark filed by 21st Century Software Technologies, Inc. on November 10, 2025. The trademark is classified under Class 9 (Computers & Electronics). The application is currently pending registration.

Trademark Classes

Class 9 - Computers & Electronics

Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments

Owner Contact Info

21st Century Software Technologies, Inc. (16 trademarks)

66 Long Wharf
Boston, MA 02110

Entity Type: 03

Legal Representation

Attorney of Record

Rex A. Donnelly

1,218 trademarks filed View all →

Correspondence Address

Rex A. Donnelly Buchanan Ingersoll & Rooney, P.C.

2200 Renaissance Boulevard

Suite 350

King of Prussia, PA 19406

United States

Trademark Details

Filing Date

November 10, 2025

Registration Date

Not Registered

Published for Opposition

April 28, 2026

Goods & Services

Downloadable computer software for tracking, controlling, and managing changes in mainframe computer operating system software; Recorded computer software for tracking, controlling, and managing changes in mainframe computer operating system software; Downloadable computer application software for mainframe computers, namely, software for use in tracking, controlling and managing changes in mainframe computer operating system software; Recorded computer application software for mainframe computers, namely, software for use in tracking, controlling and managing changes in mainframe computer operating system software; none of the foregoing downloaded or recorded computer application software for use in recording, organizing or storing medical or healthcare data