USPTO trademark record

FAST CALCULATION

Live registered mark · Owner Tambiah, Matthew A · Classes 41

Mark details

Owner: Tambiah, Matthew A
Serial number: 88952009
Registration number: 6237870
Status: REGISTERED
Classes: 41 (Education / entertainment)
Filed: 2020-06-07
Registered: 2021-01-05
Goods / services: Educational services, namely, conducting workshops, classes, seminars, and conferences in the fields of mathematics, arithmetic, mental calculation methods, written calculation methods, algebra, calc…

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

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