DR. GERTRUDE STACKS holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 45 (Legal & Security Services) with 1 filings. The WikiTrademarks Expansion Score is 3/100, 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)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 88618929 | DR. GERTRUDE STACKS | Sep 16, 2019 | Pending | 045 Legal & Security Services | Dr. Gertrude Weatherspoon Stacks |
| 88618962 | DR. GERTRUDE STACKS | Sep 16, 2019 | Pending | 041 Education & Entertainment | Gertrude Weatherspoon Stacks |
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FAQ: DR. GERTRUDE STACKS trademark portfolio
What trademarks does DR. GERTRUDE STACKS hold?
DR. GERTRUDE STACKS holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 45 (Legal & Security Services), Class 41 (Education & Entertainment). The most recent filings are registered to Dr. Gertrude Weatherspoon Stacks.
How many trademarks does DR. GERTRUDE STACKS have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to DR. GERTRUDE STACKS. The brand has been actively filing since September 2019. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DR. GERTRUDE STACKS file most often?
DR. GERTRUDE STACKS's most active class is NICE Class 45 (Legal & Security Services), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DR. GERTRUDE STACKS trademark?
The most recent filings under the DR. GERTRUDE STACKS mark are registered to Dr. Gertrude Weatherspoon Stacks. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DR. GERTRUDE STACKS expanding into new categories?
The current WikiTrademarks Expansion Score for DR. GERTRUDE STACKS is 3 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 DR. GERTRUDE STACKS trademark filings?
Click the Watch Brand button at the top of this page to add DR. GERTRUDE STACKS 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.
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