PDF holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 2 filings. The WikiTrademarks Expansion Score is 19/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 6, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99758588 | Apr 12, 2026 | Registered | 009 Electronics & Software | Hong Kong iArtTech Software Technology Co., Limited | |
| 90066193 | Jul 22, 2020 | Pending | 009 Electronics & Software | HANGZHOU RUISHENG SOFTWARE CO., LTD |
Weekly visibility reports showing how ChatGPT mentions PDF, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: PDF trademark portfolio
What trademarks does PDF hold?
PDF holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software). The most recent filings are registered to Hong Kong iArtTech Software Technology Co., Limited.
How many trademarks does PDF have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to PDF. The brand has been actively filing since July 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PDF file most often?
PDF'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 PDF trademark?
The most recent filings under the PDF mark are registered to Hong Kong iArtTech Software Technology Co., Limited. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PDF expanding into new categories?
The current WikiTrademarks Expansion Score for PDF is 19 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 PDF trademark filings?
Click the Watch Brand button at the top of this page to add PDF 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 PDF to another owner · Browse all NICE classes · Most valuable brands
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