SILMIUM holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 6 (Metal Goods) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 7, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99559296 | SILMIUM | Dec 20, 2025 | Registered | 006 Metal Goods | Hangzhou Bisheng Trading Co., Ltd. |
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FAQ: SILMIUM trademark portfolio
What trademarks does SILMIUM hold?
SILMIUM holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 6 (Metal Goods). The most recent filings are registered to Hangzhou Bisheng Trading Co., Ltd..
How many trademarks does SILMIUM have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SILMIUM. The brand has been actively filing since December 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SILMIUM file most often?
SILMIUM's most active class is NICE Class 6 (Metal Goods), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SILMIUM trademark?
The most recent filings under the SILMIUM mark are registered to Hangzhou Bisheng Trading Co., Ltd.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SILMIUM expanding into new categories?
The current WikiTrademarks Expansion Score for SILMIUM is 4 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 SILMIUM trademark filings?
Click the Watch Brand button at the top of this page to add SILMIUM 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 SILMIUM to another owner · Browse all NICE classes · Most valuable brands
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