SANZEN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 14 (Jewelry & Watches) with 1 filings. The WikiTrademarks Expansion Score is 3/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 2, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
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Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99351650 | SANZEN | Aug 22, 2025 | Pending | 014 Jewelry & Watches | SEIKO GROUP KABUSHIKI KAISHA (T/A SEIKO GROUP CORPORATION) |
| 79387742 | SANZEN | Nov 20, 2023 | Pending | 033 Wines & Spirits | Kikuchi Sake Brewing Co., Ltd. |
Weekly visibility reports showing how ChatGPT mentions SANZEN, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: SANZEN trademark portfolio
What trademarks does SANZEN hold?
SANZEN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 14 (Jewelry & Watches), Class 33 (Wines & Spirits). The most recent filings are registered to SEIKO GROUP KABUSHIKI KAISHA (T/A SEIKO GROUP CORPORATION).
How many trademarks does SANZEN have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to SANZEN. The brand has been actively filing since November 2023. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SANZEN file most often?
SANZEN's most active class is NICE Class 14 (Jewelry & Watches), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SANZEN trademark?
The most recent filings under the SANZEN mark are registered to SEIKO GROUP KABUSHIKI KAISHA (T/A SEIKO GROUP CORPORATION). Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SANZEN expanding into new categories?
The current WikiTrademarks Expansion Score for SANZEN is 3 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 SANZEN trademark filings?
Click the Watch Brand button at the top of this page to add SANZEN 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 SANZEN to another owner · Browse all NICE classes · Most valuable brands
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