A TikTok livestream seller can move serious volume in an hour, and when the stream ends, the storefront effectively disappears. There is no static listing sitting in search results for a monitoring tool to find. Brands running keyword alerts and listing scans see nothing, and conclude TikTok is clean. It is not clean; it is ephemeral.
Knockoff sellers go where enforcement is weakest, and right now that is livestream selling. The categories hit hardest are the ones that convert on visuals: fashion, beauty, jewelry, and home goods. If your products photograph well and trend on social, assume livestream sellers have noticed.
The evidence has to be captured while the stream is live: the seller account, the products shown, the claims made. After the stream, that becomes a complaint through TikTok Shop's IP protection channel, formatted to its evidence rules. Repeat streamers get escalated with their history attached, which is what turns individual removals into account-level consequences.
First, search TikTok for your brand name and your hero products and watch what comes up in LIVE. Second, make sure your trademarks and photo copyrights are documented so filings can move fast. Third, decide whether monitoring livestreams is something your team will actually do every day, or something to hand to a service that does nothing else.