SEIKO holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 2 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)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99523859 | SEIKO | Dec 01, 2025 | Registered | 009 Electronics & Software 016 Paper & Printed Goods | SEIKO GROUP KABUSHIKI KAISHA (T/A SEIKO GROUP CORPORATION) |
| 75036952 | SEIKO | Dec 19, 1995 | Abandoned | 037 Construction & Repair | SEIKO GROUP KABUSHIKI KAISHA (T/A SEIKO GROUP CORPORATION) |
| 74518441 | SEIKO | Apr 29, 1994 | Abandoned | 009 Electronics & Software | SEIKO GROUP KABUSHIKI KAISHA (T/A SEIKO GROUP CORPORATION) |
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FAQ: SEIKO trademark portfolio
What trademarks does SEIKO hold?
SEIKO holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 37 (Construction & Repair), Class 16 (Paper & Printed Goods). The most recent filings are registered to SEIKO GROUP KABUSHIKI KAISHA (T/A SEIKO GROUP CORPORATION).
How many trademarks does SEIKO have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to SEIKO. The brand has been actively filing since April 1994. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SEIKO file most often?
SEIKO's most active class is NICE Class 9 (Electronics & Software), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SEIKO trademark?
The most recent filings under the SEIKO 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 SEIKO expanding into new categories?
The current WikiTrademarks Expansion Score for SEIKO 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 SEIKO trademark filings?
Click the Watch Brand button at the top of this page to add SEIKO 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 SEIKO to another owner · Browse all NICE classes · Most valuable brands
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