GMK holds 4 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 2 filings. The WikiTrademarks Expansion Score is 7/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 30, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 79411191 | GMK | Jul 25, 2024 | Registered | 009 Electronics & Software 040 Material Treatment 042 Science & Technology | GMK electronic design GmbH |
| 88374775 | GMK | Apr 07, 2019 | Pending | 009 Electronics & Software | ZHENG, CHUHONG |
| 88368769 | GMK | Apr 03, 2019 | Pending | 021 Housewares | LI, XIAOWEN |
| 88349532 | GMK | Mar 20, 2019 | Pending | 011 Lighting & HVAC | DUAN, WEI FENG |
Weekly visibility reports showing how ChatGPT mentions GMK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: GMK trademark portfolio
What trademarks does GMK hold?
GMK holds 4 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 40 (Material Treatment), Class 42 (Science & Technology). The most recent filings are registered to GMK electronic design GmbH.
How many trademarks does GMK have at the USPTO?
WikiTrademarks tracks 4 USPTO trademark filings attributed to GMK. The brand has been actively filing since March 2019. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does GMK file most often?
GMK's most active class is NICE Class 9 (Electronics & Software), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the GMK trademark?
The most recent filings under the GMK mark are registered to GMK electronic design GmbH. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is GMK expanding into new categories?
The current WikiTrademarks Expansion Score for GMK is 7 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 GMK trademark filings?
Click the Watch Brand button at the top of this page to add GMK 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 GMK to another owner · Browse all NICE classes · Most valuable brands
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