MASTER STACK holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) with 2 filings. The WikiTrademarks Expansion Score is 19/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 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 |
|---|---|---|---|---|---|
| 99801871 | MASTER STACK | May 03, 2026 | Registered | 005 Pharmaceuticals | Presidio Scientific, LLC |
| 99014480 | MASTER STACK | Jan 22, 2025 | Registered | 005 Pharmaceuticals | Turtle Bear Holdings, LLC |
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FAQ: MASTER STACK trademark portfolio
What trademarks does MASTER STACK hold?
MASTER STACK holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to Presidio Scientific, LLC.
How many trademarks does MASTER STACK have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to MASTER STACK. The brand has been actively filing since January 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does MASTER STACK file most often?
MASTER STACK's most active class is NICE Class 5 (Pharmaceuticals), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the MASTER STACK trademark?
The most recent filings under the MASTER STACK mark are registered to Presidio Scientific, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is MASTER STACK expanding into new categories?
The current WikiTrademarks Expansion Score for MASTER STACK is 19 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 MASTER STACK trademark filings?
Click the Watch Brand button at the top of this page to add MASTER STACK 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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