DIFFUSION holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 1 filings. The WikiTrademarks Expansion Score is 25/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 17, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Jan 30, 2026 |
PUSH TECHNOLOGY LIMITED
|
DIFFUSIONDATA LIMITED
READING
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99826213 | DIFFUSION | May 15, 2026 | Registered | 035 Advertising & Business 036 Insurance & Finance | Diffusion Holdings LLC |
| 85561749 | DIFFUSION | Mar 06, 2012 | Abandoned | 009 Electronics & Software 038 Telecommunications 042 Science & Technology | DIFFUSIONDATA LIMITED |
Weekly visibility reports showing how ChatGPT mentions DIFFUSION, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: DIFFUSION trademark portfolio
What trademarks does DIFFUSION hold?
DIFFUSION holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 38 (Telecommunications), Class 42 (Science & Technology). The most recent filings are registered to Diffusion Holdings LLC.
How many trademarks does DIFFUSION have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to DIFFUSION. The brand has been actively filing since March 2012. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DIFFUSION file most often?
DIFFUSION'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 DIFFUSION trademark?
The most recent filings under the DIFFUSION mark are registered to Diffusion Holdings LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DIFFUSION expanding into new categories?
The current WikiTrademarks Expansion Score for DIFFUSION is 25 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 DIFFUSION trademark filings?
Click the Watch Brand button at the top of this page to add DIFFUSION 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 DIFFUSION to another owner · Browse all NICE classes · Most valuable brands
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