KEYSTONE PERFUSION SERVICES 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 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed October 31, 2026
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Filing Velocity (24 Months)
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99313398 | KEYSTONE PERFUSION SERVICES | Jul 31, 2025 | Registered | 035 Advertising & Business | Keystone Perfusion Services, PC |
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FAQ: KEYSTONE PERFUSION SERVICES trademark portfolio
What trademarks does KEYSTONE PERFUSION SERVICES hold?
KEYSTONE PERFUSION SERVICES 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 Keystone Perfusion Services, PC.
How many trademarks does KEYSTONE PERFUSION SERVICES have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to KEYSTONE PERFUSION SERVICES. The brand has been actively filing since July 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does KEYSTONE PERFUSION SERVICES file most often?
KEYSTONE PERFUSION SERVICES'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 KEYSTONE PERFUSION SERVICES trademark?
The most recent filings under the KEYSTONE PERFUSION SERVICES mark are registered to Keystone Perfusion Services, PC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is KEYSTONE PERFUSION SERVICES expanding into new categories?
The current WikiTrademarks Expansion Score for KEYSTONE PERFUSION SERVICES is 1 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 KEYSTONE PERFUSION SERVICES trademark filings?
Click the Watch Brand button at the top of this page to add KEYSTONE PERFUSION SERVICES 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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