A working, step-by-step guide to registering a trademark with the United States Patent and Trademark Office, written as a research resource rather than a marketing pitch. It moves in the order the filing actually happens: pre-filing clearance and the likelihood-of-confusion standard, choosing a distinctive mark that survives Section 2, identifying goods and services through the Nice classification and the ID Manual, selecting the Principal or Supplemental Register, matching a filing basis to reality, and building a drawing and specimen that will not draw a refusal. It then walks the examination pipeline, explains how to answer an Office Action under the post-2022 three-month deadline, and covers publication, opposition, the Notice of Allowance, and the Section 8, 15, and 9 filings that keep a registration alive indefinitely. Worked hypotheticals, primary citations to the Lanham Act and the Trademark Rules of Practice, and plain-English definitions run throughout, and inline cross-references connect each stage to deeper UpLaw treatments.