WEST KEY NUMBER SYSTEM holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 16 (Paper & Printed Goods) 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 July 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 |
|---|---|---|---|---|---|
| 73327489 | WEST KEY NUMBER SYSTEM | Sep 10, 1981 | Abandoned | 016 Paper & Printed Goods | WEST PUBLISHING CORPORATION |
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FAQ: WEST KEY NUMBER SYSTEM trademark portfolio
What trademarks does WEST KEY NUMBER SYSTEM hold?
WEST KEY NUMBER SYSTEM holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 16 (Paper & Printed Goods). The most recent filings are registered to WEST PUBLISHING CORPORATION.
How many trademarks does WEST KEY NUMBER SYSTEM have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to WEST KEY NUMBER SYSTEM. The brand has been actively filing since September 1981. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does WEST KEY NUMBER SYSTEM file most often?
WEST KEY NUMBER SYSTEM's most active class is NICE Class 16 (Paper & Printed Goods), with 1 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the WEST KEY NUMBER SYSTEM trademark?
The most recent filings under the WEST KEY NUMBER SYSTEM mark are registered to WEST PUBLISHING CORPORATION. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is WEST KEY NUMBER SYSTEM expanding into new categories?
The current WikiTrademarks Expansion Score for WEST KEY NUMBER SYSTEM 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 WEST KEY NUMBER SYSTEM trademark filings?
Click the Watch Brand button at the top of this page to add WEST KEY NUMBER SYSTEM 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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