SIFI holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) 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 August 16, 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 |
|---|---|---|
| Feb 13, 2026 |
EPCOS AG
|
TDK ELECTRONICS AG
MUNICH
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 73562388 | SIFI | Oct 09, 1985 | Abandoned | 009 Electronics & Software | TDK ELECTRONICS AG |
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FAQ: SIFI trademark portfolio
What trademarks does SIFI hold?
SIFI holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software). The most recent filings are registered to TDK ELECTRONICS AG.
How many trademarks does SIFI have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SIFI. The brand has been actively filing since October 1985. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SIFI file most often?
SIFI's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SIFI trademark?
The most recent filings under the SIFI mark are registered to TDK ELECTRONICS AG. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SIFI expanding into new categories?
The current WikiTrademarks Expansion Score for SIFI 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 SIFI trademark filings?
Click the Watch Brand button at the top of this page to add SIFI 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 SIFI to another owner · Browse all NICE classes · Most valuable brands
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