C3DO

● Live · Pending

U.S. federal trademark · Serial No. 99798420

Mark

C3DO

Status

Pending

Serial Number

99798420

Filing Date

April 30, 2026

Class(es)

Class 041

Owner

54 · Conshohocken, PA, US

Preparing, administering, and scoring academic standardized tests

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.