81QD holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 35 (Advertising & Business) with 1 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 22, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 86839163 | 81QD | Dec 04, 2015 | Abandoned | 035 Advertising & Business | Medical Knowledge Group LLC |
Weekly visibility reports showing how ChatGPT mentions 81QD, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: 81QD trademark portfolio
What trademarks does 81QD hold?
81QD holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 35 (Advertising & Business). The most recent filings are registered to Medical Knowledge Group LLC.
How many trademarks does 81QD have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to 81QD. The brand has been actively filing since December 2015. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does 81QD file most often?
81QD's most active class is NICE Class 35 (Advertising & Business), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the 81QD trademark?
The most recent filings under the 81QD mark are registered to Medical Knowledge Group LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is 81QD expanding into new categories?
The current WikiTrademarks Expansion Score for 81QD is 0 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 81QD trademark filings?
Click the Watch Brand button at the top of this page to add 81QD 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 81QD to another owner · Browse all NICE classes · Most valuable brands
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