THUNDERMAIL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 38 (Telecommunications) with 1 filings. The WikiTrademarks Expansion Score is 6/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 14, 2026
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Sign in to claimHow is THUNDERMAIL filing trademarks, and where is the portfolio expanding?
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 |
|---|---|---|---|---|---|
| 99540545 | THUNDERMAIL | Dec 10, 2025 | Registered | 038 Telecommunications 042 Science & Technology | Mozilla Foundation |
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FAQ: THUNDERMAIL trademark portfolio
What trademarks does THUNDERMAIL hold?
THUNDERMAIL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 38 (Telecommunications), Class 42 (Science & Technology). The most recent filings are registered to Mozilla Foundation.
How many trademarks does THUNDERMAIL have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to THUNDERMAIL. The brand has been actively filing since December 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does THUNDERMAIL file most often?
THUNDERMAIL's most active class is NICE Class 38 (Telecommunications), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the THUNDERMAIL trademark?
The most recent filings under the THUNDERMAIL mark are registered to Mozilla Foundation. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is THUNDERMAIL expanding into new categories?
The current WikiTrademarks Expansion Score for THUNDERMAIL is 6 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 THUNDERMAIL trademark filings?
Click the Watch Brand button at the top of this page to add THUNDERMAIL 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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