PERSONAL KNOWLEDGE CONTAINER holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) with 1 filings. The WikiTrademarks Expansion Score is 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed November 8, 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 |
|---|---|---|---|---|---|
| 97159234 | PERSONAL KNOWLEDGE CONTAINER | Dec 07, 2021 | Registered | 042 Science & Technology | Hsueh-Yung Koo |
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FAQ: PERSONAL KNOWLEDGE CONTAINER trademark portfolio
What trademarks does PERSONAL KNOWLEDGE CONTAINER hold?
PERSONAL KNOWLEDGE CONTAINER holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology). The most recent filings are registered to Hsueh-Yung Koo.
How many trademarks does PERSONAL KNOWLEDGE CONTAINER have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PERSONAL KNOWLEDGE CONTAINER. The brand has been actively filing since December 2021. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PERSONAL KNOWLEDGE CONTAINER file most often?
PERSONAL KNOWLEDGE CONTAINER'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 PERSONAL KNOWLEDGE CONTAINER trademark?
The most recent filings under the PERSONAL KNOWLEDGE CONTAINER mark are registered to Hsueh-Yung Koo. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PERSONAL KNOWLEDGE CONTAINER expanding into new categories?
The current WikiTrademarks Expansion Score for PERSONAL KNOWLEDGE CONTAINER is 1 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 PERSONAL KNOWLEDGE CONTAINER trademark filings?
Click the Watch Brand button at the top of this page to add PERSONAL KNOWLEDGE CONTAINER 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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