LEAYIUKAN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) with 1 filings. The WikiTrademarks Expansion Score is 24/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 13, 2026
Protect or track "LEAYIUKAN"
Watch this name and we'll alert you when anyone files a similar mark.
Informational only, not a legal opinion. Consult a trademark attorney before filing or enforcing.
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is LEAYIUKAN filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99833929 | LEAYIUKAN | May 19, 2026 | Registered | 005 Pharmaceuticals | Sikui Yang |
Weekly visibility reports showing how ChatGPT mentions LEAYIUKAN, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: LEAYIUKAN trademark portfolio
What trademarks does LEAYIUKAN hold?
LEAYIUKAN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to Sikui Yang.
How many trademarks does LEAYIUKAN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to LEAYIUKAN. The brand has been actively filing since May 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does LEAYIUKAN file most often?
LEAYIUKAN's most active class is NICE Class 5 (Pharmaceuticals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the LEAYIUKAN trademark?
The most recent filings under the LEAYIUKAN mark are registered to Sikui Yang. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is LEAYIUKAN expanding into new categories?
The current WikiTrademarks Expansion Score for LEAYIUKAN is 24 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new LEAYIUKAN trademark filings?
Click the Watch Brand button at the top of this page to add LEAYIUKAN to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
More on this portfolio: Compare LEAYIUKAN to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about LEAYIUKAN and help the next person researching it.