EXTENDER holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 1 filings. The WikiTrademarks Expansion Score is 20/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 14, 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 |
|---|---|---|---|---|---|
| 99712035 | EXTENDER | Mar 19, 2026 | Registered | 009 Electronics & Software | Haiyang Li |
| 90265649 | EXTENDER | Oct 20, 2020 | Pending | 028 Games & Toys | PLASTIC RESEARCH AND DEVELOPMENT CORPORATION |
| 75510860 | EXTENDER | Jun 30, 1998 | Abandoned | 021 Housewares | FULLER INDUSTRIES INC. |
Weekly visibility reports showing how ChatGPT mentions EXTENDER, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: EXTENDER trademark portfolio
What trademarks does EXTENDER hold?
EXTENDER holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 28 (Games & Toys), Class 21 (Housewares). The most recent filings are registered to Haiyang Li.
How many trademarks does EXTENDER have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to EXTENDER. The brand has been actively filing since June 1998. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does EXTENDER file most often?
EXTENDER's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the EXTENDER trademark?
The most recent filings under the EXTENDER mark are registered to Haiyang Li. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is EXTENDER expanding into new categories?
The current WikiTrademarks Expansion Score for EXTENDER is 20 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 EXTENDER trademark filings?
Click the Watch Brand button at the top of this page to add EXTENDER 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 EXTENDER to another owner · Browse all NICE classes · Most valuable brands