C. DIFF QUIK CHEK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) 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 11, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Sep 16, 2016 |
TECHLAB, INC.
|
ELM PARK CAPITAL MANAGEMENT, LLC, AS AGE...
DALLAS, TEXAS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 78842241 | C. DIFF QUIK CHEK | Mar 21, 2006 | Abandoned | 005 Pharmaceuticals | TechLab, Inc. |
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FAQ: C. DIFF QUIK CHEK trademark portfolio
What trademarks does C. DIFF QUIK CHEK hold?
C. DIFF QUIK CHEK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to TechLab, Inc..
How many trademarks does C. DIFF QUIK CHEK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to C. DIFF QUIK CHEK. The brand has been actively filing since March 2006. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does C. DIFF QUIK CHEK file most often?
C. DIFF QUIK CHEK's most active class is NICE Class 5 (Pharmaceuticals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the C. DIFF QUIK CHEK trademark?
The most recent filings under the C. DIFF QUIK CHEK mark are registered to TechLab, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is C. DIFF QUIK CHEK expanding into new categories?
The current WikiTrademarks Expansion Score for C. DIFF QUIK CHEK 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 C. DIFF QUIK CHEK trademark filings?
Click the Watch Brand button at the top of this page to add C. DIFF QUIK CHEK 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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