A practical, USPTO-grounded guide to U.S. trademark law — how to search the federal register with the Trademark Search system (the successor to TESS) and TSDR, register and maintain a mark, respond to office actions, and navigate disputes before the TTAB. Every guide connects to the trademark modules of the Wysebridge IP Law Certificate.
32 trademark guides · page 1 of 2
TESS was retired in 2023 and replaced by the USPTO Trademark Search system. Here is how to search the federal trademark register, read the results, and why a thorough search matters before you file.
TSDR (Trademark Status & Document Retrieval) is the USPTO system for checking a mark's current status and pulling its complete file history. Here is how to use it, read a status, and download documents.
A trademark's TSDR status tells you exactly where it stands and what happens next. Here is what each status means — Live, Dead, Abandoned, Suspended, Registered — and what to do at each stage.
A trademark application moves through filing, examination, publication, and registration. Here is how to follow every stage in TSDR and know which deadline is coming next.
TSDR holds the complete file for every trademark. Here is how to find, open, and bulk-download office actions, specimens, and the full prosecution history as PDFs.
TSDR is the USPTO's trademark file system; Public PAIR was the patent equivalent until it was retired in 2022 and replaced by Patent Center. Here is how the trademark and patent systems compare.
Exact-match searching misses most trademark conflicts. Here is how to use Boolean operators, wildcards, and field tags to run precise, high-coverage searches in the USPTO Trademark Search system.
Searching the USPTO register by owner reveals a company's entire trademark portfolio. Here is how to run an owner search, handle entity-name variations, and account for recorded assignments.
The free USPTO Trademark Search tool is authoritative for the federal register but covers only part of the clearance picture. Here is how it compares with commercial clearance tools and when each is worth using.
A trademark search that comes back clean is not the same as a mark that is clear. Here are the search errors that hide real conflicts in the USPTO database, and how to fix each one.
The Trademark Trial and Appeal Board decides trademark disputes at the USPTO. Here is how oppositions, cancellations, and ex parte appeals work — and how they differ from court.
A trademark office action is the USPTO examiner's written objection to your application. Here are the common types of refusals, the response deadline, and how to respond.
Every trademark application must identify the right international class. Here is how the 45-class Nice Classification works, why classes matter for cost and scope, and how to choose.
Trade dress protects the overall visual appearance of a product or its packaging. Here is what qualifies, the distinctiveness and non-functionality requirements, and the key cases.
Likelihood of confusion is the central test in trademark law — and the top reason applications are refused. Here are the DuPont factors courts and the USPTO weigh.
Registering a federal trademark takes you from search to registration through the USPTO's TEAS system. Here are the steps, filing bases, fees, and timeline.
Explore trademark permission policies in 2026. Learn to protect your brand with expert insights and strategic guidelines.
Explore trademark enforcement roles in 2026. Discover key roles, challenges, and strategies for robust brand protection. Learn more today!
Learn the crucial steps for responding to USPTO Office Actions in the trademark application process. Discover the importance of timely, well-prepared responses to secure your brand's identity successfully.
Discover how to manage trademark registration and maintenance costs efficiently. Learn strategic tips on conducting research, selecting classes, planning geographic coverage, and preparing for renewals to safeguard your brand and save money long term.
Explore the risks and rewards of adopting a dead trademark for your business. Learn the importance of thorough searches and legal consultations to navigate potential pitfalls and capitalize on your brand's potential with confidence.
Discover the distinctions between the patent bar exam and the TEAS exam in this informative article.
Discover the key distinctions between a trademark's secondary meaning and a patent's secondary considerations.
Discover the distinction between a naked license in trademarks and an unenforced patent.
More IP law guides
A clear guide to U.S. copyright law — what it protects, registration, fair use, work made for hire, the DMCA, and how copyright differs from trademark.
A clear guide to U.S. trade secret law — what qualifies, the DTSA/UTSA, NDAs, misappropriation, and trade secret vs. patent protection.
Clear definitions of trademark, patent, and USPTO terminology — applications, specimens, the TTAB, the Madrid Protocol, distinctiveness, and more.
Go from reading to credential
These guides cover the same ground as the Wysebridge IP Law Certificate — a 20-chapter practitioner course spanning trademark, patent, copyright, and trade-secret law. Module 1 is free for everyone.