U.S. federal trademark · Serial No. 78717848 · Reg. No. 3336509
Educational services, namely, providing an online homework management system consisting of course materials, homework assignments, lectures, quizzes, tutorials, and grading and reporting of homework and tests, in the fields of math, science and engineering
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.