CST holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) 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 June 17, 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 |
|---|---|---|---|---|---|
| 85668494 | CST | Jul 03, 2012 | Abandoned | 042 Science & Technology | Cell Signaling Technology, Inc. |
| 78435277 | CST | Jun 15, 2004 | Pending | 007 Machinery | Advanced Systems Technologies, Inc. |
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FAQ: CST trademark portfolio
What trademarks does CST hold?
CST holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology), Class 7 (Machinery). The most recent filings are registered to Cell Signaling Technology, Inc..
How many trademarks does CST have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to CST. The brand has been actively filing since June 2004. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CST file most often?
CST's most active class is NICE Class 42 (Science & Technology), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CST trademark?
The most recent filings under the CST mark are registered to Cell Signaling Technology, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CST expanding into new categories?
The current WikiTrademarks Expansion Score for CST 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 CST trademark filings?
Click the Watch Brand button at the top of this page to add CST 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 CST to another owner · Browse all NICE classes · Most valuable brands
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